PAE activity log

This page concerns the logging of the PAE activities. The instrument configuration was frozen on March 31st, 2017, and all subsequent activities have to be recorded, through these pages.

To record a new activity, please fill up this form

Hereafter are all the logged activities, sorted by date

Date
Name
Activity
Affected Subsystems
Details
2017-07-31
Denis Mégevand
Configuration change
Thermal system
Due to the high external temperature, the air conditioning of the clean could not stabilize properly below 18°C. Consequently, the 3T was not able to stabilize at 21°C.
The setup of the 3T and feet was raised to 22°C.
2017-07-27
igor Coretti
Test
Front End , Calibration System , Control Electronics
A test of a new set of parameters proposed by ESO for the LS-65 motorized stage has been done.
Prior to proceeding, a plot of the positioning for every variation of motor type / device has been done as a reference .
Afterwards, the new set of parameters was applied do Calut1 device and a new set of plots obtained.
At the end of the tests, the original parameters and settings were restored. The configuration has not changed.
2017-07-18
Marco Riva
Configuration change
Front End
After the realignment of the fiber link on the toggling system new position were stored
in the ics5 config file of geneva, namely esmogeINS_DEV_OGE.cfg


# UT1HR
INS5.OPTI6.POSUSER2 64.455; # Plc Unit value position
# UT2HR
INS5.OPTI6.POSUSER3 118.79;
# UT3HR
INS5.OPTI6.POSUSER4 168.35; # Plc Unit value position
# UT4HR
INS5.OPTI6.POSUSER5 228.93; # Plc Unit value position
# UT1UHR
INS5.OPTI6.POSUSER6 154.62; # Plc Unit value position
# UT2UHR
INS5.OPTI6.POSUSER7 208.96; # Plc Unit value position
# UT3UHR
INS5.OPTI6.POSUSER8 258.53; # Plc Unit value position
# UT4UHR
INS5.OPTI6.POSUSER9 319.12; # Plc Unit value position
# MULTIMR
INS5.OPTI6.POSUSER10 11.91; # Plc Unit value position
2017-07-07
Ian Hughes
Maintenance
Cryo-vacuum system
A leak has been discovered on the electrical feedthrough flange for the temperature sensors inside the vacuum vessel. The original seal are made out of Silicon. These are not good for hi-vacuum. They have been replaced by FKM seals. The leak has been therefore repaired.
2017-07-10
Denis Mégevand
Configuration change
Spectrograph
DC and APSU correction
- Re-pressurisation of the vacuum vessel and through focus during this operation.
- Vacuum vessel opening
- Measurement of the actual position of the APSU
- Computation by Matteo Genoni of the shimming of the DC and nominal position of the APSU
- MC dismounting
- Test of accessibility of the RED optics from inside the optical bench. Successful
- Displacement of the DC by adding 2 shims of 2.2 mm in –Z direction
- Displacement of the APSU to the nominal position (26.8mm from ball to pin)
- MC remounting
- Visual inspection of the beam
- Vacuum vessel closing
- Evacuation
- Image quality test. Successful
2017-07-12
Roberto Cirami
Test
We have tested both the TCCD barycenter and the integrated image find fiber algorithms with a good shaped light spot injected in the Front End 1 with good results.
2017-07-05
Domingo Alvarez
Cryo-vacuum system
05-07/07/2017
In parallel with the activity of the BlueCCD, I have been fine tuning the Cold-Plate of the Blue Cryostat. This is controlled by the TeePee. The PID loop was not properly tuned and some temperature spikes were transfer directly from the colde plate to the detector mount/package. After several tries and some date mining, the PID loop has improve sligthly and the peak-to-peak temperature oscillations of the Detector Mount reduced from 0.1K to 0.05K.
Additionally, a temporaty temperature sensor for the CCD Preamps has been implemented. This is in order to log temperature values and see if some correlation with it are affecting temperature stability of other elements, eg. front-flanges.
2017-06-27
Domingo Alvarez
Cryo-vacuum system
27-29/06/2017
Major intervention on the VCS to upgrade the code of PLC and Touchpanel. Most of the software/logic issues reported in PAE and previous report have been addressed. The patches were tested to confirm the solution make a difference. Still it is foreseen that during further operation more scenarios will rise and further bug find. However, the system now looks much robust after several month of active operation, feedback received and code upgrades.
2017-06-08
Domingo Alvarez
Maintenance
Cryo-vacuum system
08/06/2017
There was a serious alarm on the VCS that put down all pumps and some valves. This is non-UPS line L3. It has been noticed already an issue with the inrush-current filter of this power line. The problem is suspected to be due to temperature oscillations and the current on steady-state (pumps running) be too close to the limit. This high operation my trigger the protection switch when a rise of temperature or a open/close of a valve (high current spike).
It is foreseen to change the pre-pump to another more stable non-UPS power line to avoid this issue. Also, when the cabinet has the cooling running this should be less problematic.
The alarm was cleared by Ian with remote support from Domingo.
2017-07-05
Olaf Iwert
Configuration change
Control Electronics, Blue Camera
WED 5July - FRI 8 July 2017:
Touched system configuration on modes 1,2,8,9 for offsets, bandwidth, configuration files.
Software configurations / wrong parameters were corrected.
Reference Images were taken on Wednesday: System performance looked very good - no jump observed manually in biases in bottom right quadrant
Automated sequence over night from Wednesday to Thursday revealed in one image out of several hundreds a bias jump of about 50 ADUs.
Board swap of NGC FEB1 and 2: Manual sequence overnight due to problems in switching low level to high level SW (time loss of 6-7 hrs total).
Images of that night still to be reduced manually for conclusion on offset jump cause.
Friday Board swap back to normal order, offsets adjusted.
Several cable routing changes and grounding schemes tested for pre-amps. Resulting changes can only account for some ADUs bias change, but not 50.
LED connection revealed to introduce additional noise (TBC by reference images).
System configuration is back to normal order and all peripherals connected, but with newly archived software by Giorgio Calderone on Friday.
Olaf and Domingo could not personally test this confiuration anymore after archival.
2017-06-26
Jean-Louis Lizon
Maintenance
Blue Camera, Cryo-vacuum system
Leak tests have been carried out on the vacuum vessel and the two Cryo-pumps.
A serious leaks (10-8 mbar.l.s-1) have been found on the connector flange (OB temperature sensors and LED).
In fact O-rings of wrong material are mounted. In the meantime the flange has been replaced by a blind flange.
On Cryo pump 1 a leak 5 10-10 mbar.l.s-1 has been found on the safety overpressure valve. This has been fixed.

A first test during the night from Monday to Tuesday shows a rise from 9.2 10-5 mbar to 2.5 10-4 mbar within 18 hours. This is already an order of magnitude longer than what it was before.

New test carried at very high efficiency (low background) show still a few small leaks (or high permeation) in the order of 10 -11 mbar l s-1

Now since 12AM the vacuum vessel is closed and only pumped by Cryo-pump 1. The pressure is rising slowly at a rate of 1.3 10-6 mbar/h for the 2 first hours (this is also confirmed by the value at 6PM after 6 hours). This would lead to an holding time longer 10 days to rise from 3 10-5 mbar to 5 10-4 mbar.

The serious safety problem due to “valve opening at wrong time” has also been understood with help from Francesco, it was a bug which opens the pre-evacuation valve. This has been cured by Domingo. A number of test has demonstrated that it is corrected.
Domingo has also cure an number of other problem, including the one preventing the emergency pumping.
2017-06-20
Olaf Iwert / Claudio Cumani
Configuration change
Blue Camera
In the configuration CCD Modes 8 (equ. to former 1 slow) and 9 (equiv. to former 2 fast) were added. Modes 1 and 2 were corrected for their offsets.
ALthough Modes 8 and 9 are much better for the thermal beahvior, we encountered some difficullties today, which are at the momnt mystery to us:
a.) In Mode 8 and 9 you can see 10 ADU bias variation vertically of irreglar shape. In particular in mode 0 this one changes slope.
b.) In Mode 9 the left bottom quadrat sometimes shos a 'digital' pattern, which we can right now not explain.
Therefore for the time being, Modes 1 and 2 are the ones to use and except for their offset should not differ from before.
For modes 8 and 9 which do contain an improement for the horizontal slopes and improved thermal beavior, we have to further study on our systems in Garchng what may cause this behavior.

2017-06-19
Olaf Iwert, Claudio Cumani
Configuration change
Blue Camera
We have prepared the additonal modes 8 and 9 for the detector, which should help the ramps and the equailzed power consumption.
Becuase the detector is warm, we could only test basic functionality, but not performance.
We will have to look at this, once the detector is cold (our guess morning of 20 June) to adjust the offsets in these modes and discuss with Poalo their future use.
Right now everything in operation is unaffected, as the old modes 1 and 2 are used without change.
2017-06-16
Olaf Iwert / Claudio Cumani
Configuration change
Blue Camera
We attempted an update of CCD operation modes, but nothing has been changed on your system, due to configuration problems on our end. The Blue detector system may therefore be used as before (except that after Paolo's recent rebuid the the detector should now stay online, even when the ICS is shutdown, which should help the temperature and system stability).
We will come back to CCD mode upgrades on Monday 19th June 17.
?? Did I specify the subsystem correctly ? Can we have a subsystem checkbox for Blue Detector / Red Detector
2017-06-15
Roberto Cirami
Configuration change
ICS
The algorithm used for the visualization of the TCCD integrated image has been updated and tests have been performed to check the TCCD find fiber algorithm.
2017-06-14
Paolo Di Marcantonio
Configuration change
System , ICS
Clean reinstallation of ESPRESSO control software; implemented PAE reviewer requests and aligned the low level software with the new TwinCAT libraries/environment.
2017-06-14
igor Coretti
Configuration change
System , Front End , Calibration System , Control Electronics, Spectrograph, Thermal system
The PLC runtime (Beckhoff runtime) was updated on both PLCs to version 3.1.4020.32 and OPC UA server to version 3.3.8.0 as required from the ICS software PAE reviewers.
The supporting PC engineering environment was updated accordingly (upgrade to VS2014 and Beckhoff TwinCAT engineering 3.1.4020.32).
The PLC code was updated to be compatible with the newly installed runtime.
The standard devices libraries and the special device "Shutsel" library were updated to newest versions
2017-06-01
Domingo Alvarez
Configuration change
Cryo-vacuum system
30/05/2017
Due to the unknown high pressure reported by the Vessel pressure gauge and both cryopumps in operation, it was proposed to warm up the cryopumps, as well as, pump them. In parallel also, to pump the vessel for a long period (more than 24hr.)
The cryopumps were actively warm-up (normal operation is passively) by setting the SPT2 to 365k. This high temperature is the regeneration setpoint. The actively warm-up was done by changing the setpoint manually on the TeePee for SPT2 for both cryopumps.
31/05/2017
The regeneration process was activated in order to heat also the SPT. For this, first the SPT2 setpoint was set to 0K (default cold setpoint) and then the regeneration was requested on the Touchpanel. This regeneration last by default 180 mins. After that the VCS does a passive cooling.
1/06/2017
After the cryopumps were cool down (around 300K), the pumping was stop for all chambers (cryopump1, cryopump2 and vessel). Then the pressure was monitored to see the initial behaviour of all chambers. The preliminary results show that the cryopump1 might have a leak as it jumped sharply from 2e-6 to 3e-5 at the very moment of stopping the pumping. Contrasting it with vessel and cryopump2, the jump was considered much smooth from 2e-6 to 5e-6. Then, the progression was steady for the latter and much pronounced for the former.
Log data before and after were gathered and will be analyzed to confirm the preliminary findings.
2017-05-23
Igor Coretti
Configuration change
Thermal system
The UPS power line of the THE cabinet (Thermal monitoring and control) was until now connected to the temporary distribution box used for the normal power of all the cabinets. The UPS line has now been moved upfront to the main 'movable' distribution panel on a different section (the one numbered 4) . The change is required to simulate the "normal power failure" during the inspection test.
2017-05-23
Ian Hughes
Maintenance
Spectrograph, Cryo-vacuum system
Due to a increase of the pressure inside the vacuum vessel, the cryogenic pumps have been swapped. The cryopump #2 took over #1 and this last one has been regenerated on the 24th.
2017-05-22
Francesco Pepe
Configuration change
Thermal system
The 3T was closed today and the control loop turned on. With a set point of 20°C inside the 3T the heater power remains at 0 and the equilibrium temperature seems to be around 20.2°C for an outside temperature of 18.5°C as indicated by the lakeshore of the external temperature sensors. The set point was therefore set to 21°C, for which the average heating power is at about 70% in the high range. It seems therefore that the temperature difference between 2T and 3T must be set within 2°C (min.) to 3°C (max.).

The feet temperature was also set to 20°C, but the equilibrium temperature turned out to be slight above, at about 20.02°C. The set point was therefore set to 21°C with the heater being at about 20%.

The blue flange temperature heater BFFT was set to 45% in open loop (constant power), since in closed loop the temperature was oscillating. The equilibrium temperature converges around 21.4°C and is now stable.

The time constant for all these temperatures is between one and two days.
2017-05-26
Francesco Pepe
Configuration change
Calibration System
On flat-field exposures we observed fringing at a level 4% of the continuum. After preliminary tests the two ND-filters were found responsible for the fringing (depending on their configuration the fringing could be made to disappear, e.g. by putting the density of both to 0). Not only this fringing causes bad de-flatfielding of scientific spectra, but it may also have been the cause of some differential drift measurement between the two fibres.

Today, Tim Bandy helped by Denis Mégevand and Francesco Pepe opened the calibration unit and made several tests in various configurations. It rapidly turned out that the two filter wheels were very well aligned and that some light was travelling in between them and finally ending into the calibration fiber. We therefore slightly tilted both wheels in opposite direction around the vertical axis to avoid the original and reflected beams to overlap. At first glance this seems to have solved the problem to a level of 0.1% or below.

The two calibration units were re-assembled and flux and functionalities verified. Three full calibration sets in singleHR1x1 have also been executed.
2017-05-25
Igor Coretti
Configuration change
Cryo-vacuum system
After PAE control electronics inspection, a temporary protection (tape duct) to the fan tray in the VCS cabinet was installed. A better protection will have to be provided asap.
2017-05-24
Igor Coretti
Configuration change
Front End , Calibration System , Control Electronics, Thermal system
The temperature threshold for the cabinet overtemperature trip was reduced to 30 °C in all the cabinets excluding the VCS cabinet.
2017-05-25
Igor Coretti
Test
System , Front End , Exposure Meter , Calibration System , Fiber Link , Control Electronics, Spectrograph, Blue Camera, Thermal system, Cryo-vacuum system
PAE inspection tests
- normal power outage and recovery test
- ESD immunity test and radiated immunity RF test on selected frequencies (Paranal radios)

2017-05-24
Igor Coretti
Test
System , Front End , Exposure Meter , Calibration System , Fiber Link , Control Electronics, Spectrograph, Blue Camera, Thermal system, Cryo-vacuum system
PAE inspection testing
- conducted immunity testing injecting EFT bursts up to 1 kV and surge up to 2 kV on all the cabinet's power lines (except on three phase normal power supply of VCS)
- thermal warning, alarm and trip condition on FEU1 and MAIN ICE cabinet
2017-05-23
Igor Coretti
Test
System , Front End , Exposure Meter , Calibration System , Control Electronics, Spectrograph, Blue Camera, Thermal system, Cryo-vacuum system
PAE inspection tests for control electronics
- Conducted emission tests on all power ports with TF clamp
- Radiated emission tests on three locations with antenna in horizontal and vertical position
During the tests the system was in various operating modes : standby, online, acquiring and exposing. Also emergency pumping was active.

- Active power consumption on UPS and non UPS individual cabinet power lines in the online mode and during the worst case scenario ( during pumping).
2017-05-22
Igor Coretti
Operation
Control Electronics
The Power supply in MAIN ICE cabinet ,PLC1 has been changed to the correct type (24V 3A)
2017-05-20
Domingo Alvarez
Configuration change
Cryo-vacuum system
Due to high-pressure on Cryopump2 (sorption pump inefficiency) I have swapped Cryopump2 by Cryopump1. The operation was simultaneously: cryopump2 to warm-up and cryopump1 to cold-dowm. At the same time, I pumped the vessel as it was close to the emergency pumping threshold.
To be fixed, the emergency pumping of the cryopump did not work as expected. It triggered and stopped automatically which is not the purpose of it. Most probably some PLC code logic has to by fixed.
2017-04-18
Denis Mégevand
Test
Front End
On April 18th, doing some sequence if tests, Giorgio Calderone <calderone@oats.inaf.it> warned us that the FS3 camera was not responding. Igor Coretti and myself did various attempts to understand where was the problem, trying to reach the camera by dedicated programs on PC, and even through a PC directly connected to the camera, bypassing the switches and the routers. Each attempt was done also on a responding camera to compare the results.
Marco Riva and Marco Landoni were also in the loop, and they contacted the manufacturer, whose action proposals were tested also.
At the end, we had to admit that the camera had some serious issues and had to be dismounted and sent back to them for intervention.
2017-05-02
Domingo Alvarez
Operation
Cryo-vacuum system
Remotelly rebooted the touch panel due to some misleading sensors readings and corrupted logfiles.
2017-04-29
Francesco Pepe
Configuration change
Blue Camera, Thermal system, Cryo-vacuum system
In order to improve the thermal stability of the blue detector flange, I have set up a PID control loop instead of an open loop heating.

Before:
Heater range: HIGH
Heater output: 41%
Temperature: slowly varying between 19.5 and 17.2°C (tau of about one day)
Max current 0.5 Amp.

After:
P=5%
I=1%
D=5%
Heater range: HIGH
Max current 0.5 Amp.

Let's see.
2017-04-29
Francesco Pepe
Operation
System
Dear All,

While doing tests today, I managed to crash the system (I’m really good in this). When I switched from MR to UHR OBs I forgot to detach FE2 and UT2 (only the two were attached). During UHR acquisition, I remarked this and had the ‘good’ idea to detach the UT2 and disable FE2. Several windows (VOT, BOB, pop-ups of the TCS, etc.) remained completely stuck and nothing was happening anymore. I made a complete instrument shutdown, but at startup, there was an error very early (something with DCS and TCCD database). I logged out and in, but even the engineering panel is not starting anymore now:

wespr espr:~ 1019 > esinsStart -panel OS_ENGINEERING
ccsInit failed
while executing
"seq_ccsInit"
invoked from within
"if { "$display" != "" && $usePanel == 1 } {
exit [system "stooStartupHistory Start $argv"]
} else {
if {[lcontain $argv "-nopopup"]} {
# If m..."
(file "/vlt/VLT2016/CCSLite/bin/stooStart" line 295)

Ok, I guess the database is corrupted and the processes must be restarted ... but this is beyond my competences. If somebody can help me or tell me what to do, great. Otherwise I will be patient … ;-)))

Best wishes and many thanks for your help,
Francesco

PS: After this, together with Paolo di Marcantonio, we started suspecting the /vlt disk to be full. Investigating ...
2017-04-29
Francesco.Pepe
Test
System , Front End
Dear All,

This email is for your information and a request for some changes in the exposure meter at your earliest convenience.

Today I have tested and calibrated the EM using a 633 and a 532 lasers. In general it seems to work well, although there are a few old and new aspects to be corrected. I’ve made a list of all the points I have noted today, and will copy them into the logbook. I did not check for the FITS table, since I have no tools to read it, but I have performed a full multiMR OB (with 4 exposures in 2x4 and 4x8, and on TEXP and on SNR) on the Sun, on which I have verified the EM-realted headers. Everything worked well, just some exposures are saturated.

Here my notes. Best wishes,
Francesco



Exposure meter changes/corrections
----------------------------------

1. Define background zones on top and bottom of each channel (same width and length, but displaced by TBD pixels to the top/bottom from the measurement zone or fit a 2D gradient outside the measurement zones.

2. In time plot, show the background-corrected flux (if not yet done)

3. Show in time plot also the white channel in black

4. Correct the graphical indications of the channels to match configuration.
4.1 The blue and red channel are inverted (blue must be to the left, red must be to the right.
4.2 Fiber A and B are inverted. Fiber A must be on top, Fiber B must be to the bottom. Exactly the same configuration is btw the case on the FS camera (A top and centered, B bottom and off-center) and in the scientific frames (A top/towards red, B bottom/towards blue)

5. The EM must be refocused!

6. Plot must be logarithmic, or at least we should have the possibility to switch

7. The EM panel should show also the numerical values of all the channels (after subtraction of the backgrounds), the presently set stellar magnitude (editable), the expected counts if stellar mag defined, the efficiency on fiber A if stellar mag defined.

8. The filters are configured in a wrong way. Here the corrections:
DARK R=6.0 E3 counts
EMND00 R=2.1 E5 counts, must be 20
EMND10 R=4.5 E4 counts, must be 30
EMND15 R=6.6 E6 counts, must be 00 or EMPTY
EMND20 R=6.6 E6 counts, must be 00 or EMPTY
EMND30 R=1.7 E6 counts, must be 05 (!!! not 15)
EMPTY R=7.6 E5 counts, must be 10

9. Zones: At presents, followings positions are recorded at must be set:
HR: A, WHITE X=180,Y=272 532nm X=425,Y=272 633nm X=471,Y=272
B, WHITE X=180,Y=195 532nm X=425,Y=195 633nm X=471,Y=195
Width of extraction: 25 pixels (TBC)

UHR: A, WHITE X=113,Y=272 633nm X=402
B, WHITE X=113,Y=192
Width of extraction: 25 pixels (TBC)

MR: A, WHITE X=48,Y=272
B, WHITE X=48,Y=197
Width of extraction: 45 pixels (TBC)

In summary:
- It is sufficient to determine the center of the white channel
- The wavelength 532 nm is displaced by 225 pixels to the right of the white channel
- The wavelength 532 nm is displaced by 291 pixels to the right of the white channel
- The other wavelength are defined by the grating equation
- The spectra are horizontal (constant Y)

10. EM-related header looks correct to me (below for reference).

Suggestions to add a few more keywords:
- Duration in [s] of each sample
- Number of samples during exposure
- Information for white channel, e.g
HIERARCH ESO OCS EM OBJ0
HIERARCH ESO OCS EM REF0

HIERARCH ESO OCS EM OBJ1 CTMAX = 1159394.000000 / Obj-i channel max val.
HIERARCH ESO OCS EM OBJ1 CTMEAN = 1050691.51 / Obj-i channel mean val.
HIERARCH ESO OCS EM OBJ1 CTMIN = 9426.000000 / Obj-i channel min val.
HIERARCH ESO OCS EM OBJ1 CTRMS = 229485.78 / Obj-i channel rms val.
HIERARCH ESO OCS EM OBJ1 CTTOT = 126082981.001717 / Obj-i channel tot val.
HIERARCH ESO OCS EM OBJ1 EFFICIENCY = 0.000000 / Obj-i channel efficiency
HIERARCH ESO OCS EM OBJ1 EXPECTED = 0.000000 / Obj-1 channel expected counts
HIERARCH ESO OCS EM OBJ1 SNR = 33686.003459 / Obj-i channel final SNR.
HIERARCH ESO OCS EM OBJ1 TMMEAN = 0.49 / Obj-i channel mean time val.
HIERARCH ESO OCS EM OBJ2 CTMAX = 3203911.000000 / Obj-i channel max val.
HIERARCH ESO OCS EM OBJ2 CTMEAN = 2903835.78 / Obj-i channel mean val.
HIERARCH ESO OCS EM OBJ2 CTMIN = -83.000000 / Obj-i channel min val.
HIERARCH ESO OCS EM OBJ2 CTRMS = 647870.45 / Obj-i channel rms val.
HIERARCH ESO OCS EM OBJ2 CTTOT = 348460293.011750 / Obj-i channel tot val.
HIERARCH ESO OCS EM OBJ2 EFFICIENCY = 0.263250 / Obj-i channel efficiency
HIERARCH ESO OCS EM OBJ2 EXPECTED = 4000000.000000 / Obj-1 channel expected coun
HIERARCH ESO OCS EM OBJ2 SNR = 56001.273531 / Obj-i channel final SNR.
HIERARCH ESO OCS EM OBJ2 TMMEAN = 0.49 / Obj-i channel mean time val.
HIERARCH ESO OCS EM OBJ3 CTMAX = 204847.000000 / Obj-i channel max val.
HIERARCH ESO OCS EM OBJ3 CTMEAN = 183807.78 / Obj-i channel mean val.
HIERARCH ESO OCS EM OBJ3 CTMIN = -11702.000000 / Obj-i channel min val.
HIERARCH ESO OCS EM OBJ3 CTRMS = 42041.36 / Obj-i channel rms val.
HIERARCH ESO OCS EM OBJ3 CTTOT = 22056933.116855 / Obj-i channel tot val.
HIERARCH ESO OCS EM OBJ3 EFFICIENCY = 0.000000 / Obj-i channel efficiency
HIERARCH ESO OCS EM OBJ3 EXPECTED = 0.000000 / Obj-1 channel expected counts
HIERARCH ESO OCS EM OBJ3 SNR = 14089.442787 / Obj-i channel final SNR.
HIERARCH ESO OCS EM OBJ3 TMMEAN = 0.49 / Obj-i channel mean time val.
HIERARCH ESO OCS EM REF1 CTMAX = 2077660.000000 / Ref-i channel max val.
HIERARCH ESO OCS EM REF1 CTMEAN = 1873354.22 / Ref-i channel mean val.
HIERARCH ESO OCS EM REF1 CTMIN = 8734.000000 / Ref-i channel min val.
HIERARCH ESO OCS EM REF1 CTRMS = 451285.01 / Ref-i channel rms val.
HIERARCH ESO OCS EM REF1 CTTOT = 224802506.284172 / Ref-i channel tot val.
HIERARCH ESO OCS EM REF1 SNR = 52476.954008 / Ref-i channel final SNR.
HIERARCH ESO OCS EM REF1 TMMEAN = 0.49 / Ref-i channel mean time val.
HIERARCH ESO OCS EM REF2 CTMAX = 6147261.000000 / Ref-i channel max val.
HIERARCH ESO OCS EM REF2 CTMEAN = 5611378.82 / Ref-i channel mean val.
HIERARCH ESO OCS EM REF2 CTMIN = -1394.000000 / Ref-i channel min val.
HIERARCH ESO OCS EM REF2 CTRMS = 1355446.46 / Ref-i channel rms val.
HIERARCH ESO OCS EM REF2 CTTOT = 673365458.795496 / Ref-i channel tot val.
HIERARCH ESO OCS EM REF2 SNR = 90822.502004 / Ref-i channel final SNR.
HIERARCH ESO OCS EM REF2 TMMEAN = 0.49 / Ref-i channel mean time val.
HIERARCH ESO OCS EM REF3 CTMAX = 337979.000000 / Ref-i channel max val.
HIERARCH ESO OCS EM REF3 CTMEAN = 302978.04 / Ref-i channel mean val.
HIERARCH ESO OCS EM REF3 CTMIN = -13966.000000 / Ref-i channel min val.
HIERARCH ESO OCS EM REF3 CTRMS = 74120.50 / Ref-i channel rms val.
HIERARCH ESO OCS EM REF3 CTTOT = 36357364.994189 / Ref-i channel tot val.
HIERARCH ESO OCS EM REF3 SNR = 21103.974061 / Ref-i channel final SNR.
HIERARCH ESO OCS EM REF3 TMMEAN = 0.49 / Ref-i channel mean time val.
HIERARCH ESO OCS EM TABLE = T / flag to create the EM bin Table

11. Expected counts formula and counts -> SNR conversion formula to be verified later (on sky?)

+++
END
+++
2017-04-29
Francesco Pepe
Test
System
In order to test functionalities and fits headers, acquisition and exposure in multiMR mode have been executed. After one acquisition, we have performed 4 exposures:

obs_multiMR 2x4 120 s
obs_multiMR_snr 2x4
obs_multiMR 4x8 120 s
obs_multiMR_snr 4x8

The first and third exposures are saturated due to heavy binning. Otherwise everything seems ok.

-rw-r--r-- 1 espr vlt 659520 Apr 29 13:23 ESPRESSO_TCCDFS1INT_2017-04-29T13:23:51.234.fits
-rw-r--r-- 1 espr vlt 659520 Apr 29 13:23 ESPRESSO_TCCDFS2INT_2017-04-29T13:23:54.011.fits
-rw-r--r-- 1 espr vlt 659520 Apr 29 13:25 ESPRESSO_TCCDFS1INT_2017-04-29T13:25:37.371.fits
-rw-r--r-- 1 espr vlt 659520 Apr 29 13:25 ESPRESSO_TCCDFS2INT_2017-04-29T13:25:45.442.fits
-rw-r--r-- 1 espr vlt 391680 Apr 29 13:30 ESPRESSO_TCCDFS1INT_2017-04-29T13:30:32.205.fits
-rw-r--r-- 1 espr vlt 391680 Apr 29 13:30 ESPRESSO_TCCDFS2INT_2017-04-29T13:30:32.665.fits
-rw-r--r-- 1 espr vlt 26608320 Apr 29 13:30 ESPRESSO_MULTIMR_OBS119_0001.fits
-rw-r--r-- 1 espr vlt 26608320 Apr 29 13:30 ESPRE.MULTIMR_OBS119_0001.fits
-rw-r--r-- 1 espr vlt 100800 Apr 29 13:33 ESPRESSO_TCCDFS1INT_2017-04-29T13:33:07.682.fits
-rw-r--r-- 1 espr vlt 100800 Apr 29 13:33 ESPRESSO_TCCDFS2INT_2017-04-29T13:33:08.205.fits
-rw-r--r-- 1 espr vlt 26026560 Apr 29 13:33 ESPRESSO_MULTIMR_OBS119_0002.fits
-rw-r--r-- 1 espr vlt 26026560 Apr 29 13:33 ESPRE.MULTIMR_OBS119_0002.fits
-rw-r--r-- 1 espr vlt 100800 Apr 29 13:35 ESPRESSO_TCCDFS1INT_2017-04-29T13:35:57.463.fits
-rw-r--r-- 1 espr vlt 100800 Apr 29 13:35 ESPRESSO_TCCDFS2INT_2017-04-29T13:35:58.158.fits
-rw-r--r-- 1 espr vlt 8737920 Apr 29 13:35 ESPRESSO_MULTIMR_OBS119_0003.fits
-rw-r--r-- 1 espr vlt 8737920 Apr 29 13:36 ESPRE.MULTIMR_OBS119_0003.fits
-rw-r--r-- 1 espr vlt 659520 Apr 29 13:36 pointingPS1_2017-04-29T13:25:43.850.fits
-rw-r--r-- 1 espr vlt 659520 Apr 29 13:36 pointingFS1_2017-04-29T13:25:37.358.fits
-rw-r--r-- 1 espr vlt 659520 Apr 29 13:36 pointingPS2_2017-04-29T13:25:48.546.fits
-rw-r--r-- 1 espr vlt 659520 Apr 29 13:36 pointingFS2_2017-04-29T13:25:45.455.fits
-rw-r--r-- 1 espr vlt 100800 Apr 29 13:36 ESPRESSO_TCCDFS1INT_2017-04-29T13:36:49.716.fits
-rw-r--r-- 1 espr vlt 100800 Apr 29 13:36 ESPRESSO_TCCDFS2INT_2017-04-29T13:36:50.371.fits
-rw-r--r-- 1 espr vlt 8737920 Apr 29 13:36 ESPRESSO_MULTIMR_OBS119_0004.fits
-rw-r--r-- 1 espr vlt 8737920 Apr 29 13:36 ESPRE.MULTIMR_OBS119_0004.fits

2017-04-28
Francesco Pepe
Test
System
We started a series of calibration exposures:

repeat
wave TAL1-TAL1
wave FP-FP
wave TAL1-FP
until stop or crash

The series stopped due to an ICS error (timeout?) at about 22 UT. Due to a wrong setting of the Detector Flange heater, the heating was stopped and the temperature of the flange dropped from 19.5°C to about 15°C. This should be easily remarked in the series.

Listing of the frames:
-rw-r--r-- 1 espr vlt 184527360 Apr 28 15:50 ESPRESSO_SINGLEHR_WAVE118_0091.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 15:50 ESPRE.SINGLEHR_WAVE118_0091.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 15:51 ESPRESSO_SINGLEHR_WAVE118_0092.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 15:51 ESPRE.SINGLEHR_WAVE118_0092.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 15:52 ESPRESSO_SINGLEHR_WAVE118_0093.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 15:52 ESPRE.SINGLEHR_WAVE118_0093.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 15:53 ESPRESSO_SINGLEHR_WAVE118_0094.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 15:53 ESPRE.SINGLEHR_WAVE118_0094.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 15:55 ESPRESSO_SINGLEHR_WAVE118_0095.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 15:55 ESPRE.SINGLEHR_WAVE118_0095.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 15:57 ESPRESSO_SINGLEHR_WAVE118_0096.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 15:57 ESPRE.SINGLEHR_WAVE118_0096.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 15:59 ESPRESSO_SINGLEHR_WAVE118_0097.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 15:59 ESPRE.SINGLEHR_WAVE118_0097.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 16:00 ESPRESSO_SINGLEHR_WAVE118_0098.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 16:00 ESPRE.SINGLEHR_WAVE118_0098.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 16:01 ESPRESSO_SINGLEHR_WAVE118_0099.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 16:01 ESPRE.SINGLEHR_WAVE118_0099.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 16:02 ESPRESSO_SINGLEHR_WAVE118_0100.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 16:02 ESPRE.SINGLEHR_WAVE118_0100.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 16:04 ESPRESSO_SINGLEHR_WAVE118_0101.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 16:04 ESPRE.SINGLEHR_WAVE118_0101.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 16:06 ESPRESSO_SINGLEHR_WAVE118_0102.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 16:06 ESPRE.SINGLEHR_WAVE118_0102.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 16:08 ESPRESSO_SINGLEHR_WAVE118_0103.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 16:08 ESPRE.SINGLEHR_WAVE118_0103.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 16:09 ESPRESSO_SINGLEHR_WAVE118_0104.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 16:09 ESPRE.SINGLEHR_WAVE118_0104.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 16:10 ESPRESSO_SINGLEHR_WAVE118_0105.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 16:10 ESPRE.SINGLEHR_WAVE118_0105.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 16:11 ESPRESSO_SINGLEHR_WAVE118_0106.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 16:11 ESPRE.SINGLEHR_WAVE118_0106.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 16:13 ESPRESSO_SINGLEHR_WAVE118_0107.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 16:13 ESPRE.SINGLEHR_WAVE118_0107.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 16:15 ESPRESSO_SINGLEHR_WAVE118_0108.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 16:15 ESPRE.SINGLEHR_WAVE118_0108.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 16:17 ESPRESSO_SINGLEHR_WAVE118_0109.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 16:17 ESPRE.SINGLEHR_WAVE118_0109.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 16:18 ESPRESSO_SINGLEHR_WAVE118_0110.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 16:18 ESPRE.SINGLEHR_WAVE118_0110.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 16:19 ESPRESSO_SINGLEHR_WAVE118_0111.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 16:19 ESPRE.SINGLEHR_WAVE118_0111.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 16:20 ESPRESSO_SINGLEHR_WAVE118_0112.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 16:20 ESPRE.SINGLEHR_WAVE118_0112.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 16:22 ESPRESSO_SINGLEHR_WAVE118_0113.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 16:22 ESPRE.SINGLEHR_WAVE118_0113.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 16:24 ESPRESSO_SINGLEHR_WAVE118_0114.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 16:24 ESPRE.SINGLEHR_WAVE118_0114.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 16:26 ESPRESSO_SINGLEHR_WAVE118_0115.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 16:26 ESPRE.SINGLEHR_WAVE118_0115.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 16:27 ESPRESSO_SINGLEHR_WAVE118_0116.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 16:27 ESPRE.SINGLEHR_WAVE118_0116.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 16:28 ESPRESSO_SINGLEHR_WAVE118_0117.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 16:28 ESPRE.SINGLEHR_WAVE118_0117.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 16:29 ESPRESSO_SINGLEHR_WAVE118_0118.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 16:29 ESPRE.SINGLEHR_WAVE118_0118.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 16:31 ESPRESSO_SINGLEHR_WAVE118_0119.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 16:31 ESPRE.SINGLEHR_WAVE118_0119.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 16:33 ESPRESSO_SINGLEHR_WAVE118_0120.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 16:33 ESPRE.SINGLEHR_WAVE118_0120.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 16:35 ESPRESSO_SINGLEHR_WAVE118_0121.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 16:35 ESPRE.SINGLEHR_WAVE118_0121.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 16:36 ESPRESSO_SINGLEHR_WAVE118_0122.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 16:36 ESPRE.SINGLEHR_WAVE118_0122.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 16:37 ESPRESSO_SINGLEHR_WAVE118_0123.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 16:37 ESPRE.SINGLEHR_WAVE118_0123.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 16:38 ESPRESSO_SINGLEHR_WAVE118_0124.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 16:38 ESPRE.SINGLEHR_WAVE118_0124.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 16:40 ESPRESSO_SINGLEHR_WAVE118_0125.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 16:40 ESPRE.SINGLEHR_WAVE118_0125.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 16:42 ESPRESSO_SINGLEHR_WAVE118_0126.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 16:42 ESPRE.SINGLEHR_WAVE118_0126.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 16:44 ESPRESSO_SINGLEHR_WAVE118_0127.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 16:44 ESPRE.SINGLEHR_WAVE118_0127.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 16:45 ESPRESSO_SINGLEHR_WAVE118_0128.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 16:45 ESPRE.SINGLEHR_WAVE118_0128.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 16:46 ESPRESSO_SINGLEHR_WAVE118_0129.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 16:46 ESPRE.SINGLEHR_WAVE118_0129.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 16:47 ESPRESSO_SINGLEHR_WAVE118_0130.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 16:47 ESPRE.SINGLEHR_WAVE118_0130.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 16:49 ESPRESSO_SINGLEHR_WAVE118_0131.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 16:49 ESPRE.SINGLEHR_WAVE118_0131.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 16:51 ESPRESSO_SINGLEHR_WAVE118_0132.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 16:51 ESPRE.SINGLEHR_WAVE118_0132.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 16:53 ESPRESSO_SINGLEHR_WAVE118_0133.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 16:53 ESPRE.SINGLEHR_WAVE118_0133.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 16:54 ESPRESSO_SINGLEHR_WAVE118_0134.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 16:54 ESPRE.SINGLEHR_WAVE118_0134.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 16:55 ESPRESSO_SINGLEHR_WAVE118_0135.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 16:55 ESPRE.SINGLEHR_WAVE118_0135.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 16:56 ESPRESSO_SINGLEHR_WAVE118_0136.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 16:56 ESPRE.SINGLEHR_WAVE118_0136.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 16:58 ESPRESSO_SINGLEHR_WAVE118_0137.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 16:58 ESPRE.SINGLEHR_WAVE118_0137.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 17:00 ESPRESSO_SINGLEHR_WAVE118_0138.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 17:00 ESPRE.SINGLEHR_WAVE118_0138.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 17:02 ESPRESSO_SINGLEHR_WAVE118_0139.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 17:02 ESPRE.SINGLEHR_WAVE118_0139.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 17:03 ESPRESSO_SINGLEHR_WAVE118_0140.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 17:03 ESPRE.SINGLEHR_WAVE118_0140.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 17:04 ESPRESSO_SINGLEHR_WAVE118_0141.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 17:04 ESPRE.SINGLEHR_WAVE118_0141.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 17:05 ESPRESSO_SINGLEHR_WAVE118_0142.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 17:05 ESPRE.SINGLEHR_WAVE118_0142.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 17:07 ESPRESSO_SINGLEHR_WAVE118_0143.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 17:07 ESPRE.SINGLEHR_WAVE118_0143.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 17:09 ESPRESSO_SINGLEHR_WAVE118_0144.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 17:09 ESPRE.SINGLEHR_WAVE118_0144.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 17:11 ESPRESSO_SINGLEHR_WAVE118_0145.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 17:11 ESPRE.SINGLEHR_WAVE118_0145.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 17:12 ESPRESSO_SINGLEHR_WAVE118_0146.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 17:12 ESPRE.SINGLEHR_WAVE118_0146.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 17:13 ESPRESSO_SINGLEHR_WAVE118_0147.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 17:13 ESPRE.SINGLEHR_WAVE118_0147.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 17:14 ESPRESSO_SINGLEHR_WAVE118_0148.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 17:14 ESPRE.SINGLEHR_WAVE118_0148.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 17:16 ESPRESSO_SINGLEHR_WAVE118_0149.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 17:16 ESPRE.SINGLEHR_WAVE118_0149.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 17:18 ESPRESSO_SINGLEHR_WAVE118_0150.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 17:18 ESPRE.SINGLEHR_WAVE118_0150.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 17:20 ESPRESSO_SINGLEHR_WAVE118_0151.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 17:20 ESPRE.SINGLEHR_WAVE118_0151.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 17:21 ESPRESSO_SINGLEHR_WAVE118_0152.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 17:21 ESPRE.SINGLEHR_WAVE118_0152.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 17:22 ESPRESSO_SINGLEHR_WAVE118_0153.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 17:22 ESPRE.SINGLEHR_WAVE118_0153.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 17:23 ESPRESSO_SINGLEHR_WAVE118_0154.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 17:23 ESPRE.SINGLEHR_WAVE118_0154.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 17:25 ESPRESSO_SINGLEHR_WAVE118_0155.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 17:25 ESPRE.SINGLEHR_WAVE118_0155.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 17:27 ESPRESSO_SINGLEHR_WAVE118_0156.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 17:27 ESPRE.SINGLEHR_WAVE118_0156.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 17:29 ESPRESSO_SINGLEHR_WAVE118_0157.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 17:29 ESPRE.SINGLEHR_WAVE118_0157.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 17:30 ESPRESSO_SINGLEHR_WAVE118_0158.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 17:30 ESPRE.SINGLEHR_WAVE118_0158.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 17:31 ESPRESSO_SINGLEHR_WAVE118_0159.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 17:31 ESPRE.SINGLEHR_WAVE118_0159.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 17:32 ESPRESSO_SINGLEHR_WAVE118_0160.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 17:32 ESPRE.SINGLEHR_WAVE118_0160.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 17:34 ESPRESSO_SINGLEHR_WAVE118_0161.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 17:34 ESPRE.SINGLEHR_WAVE118_0161.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 17:36 ESPRESSO_SINGLEHR_WAVE118_0162.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 17:36 ESPRE.SINGLEHR_WAVE118_0162.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 17:38 ESPRESSO_SINGLEHR_WAVE118_0163.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 17:38 ESPRE.SINGLEHR_WAVE118_0163.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 17:39 ESPRESSO_SINGLEHR_WAVE118_0164.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 17:39 ESPRE.SINGLEHR_WAVE118_0164.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 17:40 ESPRESSO_SINGLEHR_WAVE118_0165.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 17:40 ESPRE.SINGLEHR_WAVE118_0165.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 17:41 ESPRESSO_SINGLEHR_WAVE118_0166.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 17:41 ESPRE.SINGLEHR_WAVE118_0166.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 17:43 ESPRESSO_SINGLEHR_WAVE118_0167.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 17:43 ESPRE.SINGLEHR_WAVE118_0167.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 17:45 ESPRESSO_SINGLEHR_WAVE118_0168.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 17:45 ESPRE.SINGLEHR_WAVE118_0168.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 17:47 ESPRESSO_SINGLEHR_WAVE118_0169.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 17:47 ESPRE.SINGLEHR_WAVE118_0169.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 17:48 ESPRESSO_SINGLEHR_WAVE118_0170.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 17:48 ESPRE.SINGLEHR_WAVE118_0170.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 17:49 ESPRESSO_SINGLEHR_WAVE118_0171.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 17:49 ESPRE.SINGLEHR_WAVE118_0171.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 17:51 ESPRESSO_SINGLEHR_WAVE118_0172.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 17:51 ESPRE.SINGLEHR_WAVE118_0172.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 17:52 ESPRESSO_SINGLEHR_WAVE118_0173.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 17:52 ESPRE.SINGLEHR_WAVE118_0173.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 17:54 ESPRESSO_SINGLEHR_WAVE118_0174.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 17:54 ESPRE.SINGLEHR_WAVE118_0174.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 17:56 ESPRESSO_SINGLEHR_WAVE118_0175.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 17:56 ESPRE.SINGLEHR_WAVE118_0175.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 17:57 ESPRESSO_SINGLEHR_WAVE118_0176.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 17:57 ESPRE.SINGLEHR_WAVE118_0176.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 17:58 ESPRESSO_SINGLEHR_WAVE118_0177.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 17:58 ESPRE.SINGLEHR_WAVE118_0177.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 18:00 ESPRESSO_SINGLEHR_WAVE118_0178.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 18:00 ESPRE.SINGLEHR_WAVE118_0178.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 18:01 ESPRESSO_SINGLEHR_WAVE118_0179.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 18:01 ESPRE.SINGLEHR_WAVE118_0179.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 18:03 ESPRESSO_SINGLEHR_WAVE118_0180.fits
-rw-r--r-- 1 espr vlt 184527360 Apr 28 18:03 ESPRE.SINGLEHR_WAVE118_0180.fits
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2017-04-20
Igor Coretti
Operation
Front End , Control Electronics
Additional labels and markings to cables, cabinets, subracks, connectors and other components of the Instrument Control electronics has been applied.
2017-04-19
Igor Coretti
Test
Front End , Calibration System , Control Electronics, Thermal system
The alarm system in the Instrument Main control electronics cabinet has been tested.
2017-04-18
Igor Coretti
Operation
Front End , Calibration System , Control Electronics, Thermal system
The alarm panel in the Instrument Main Control Electronics cabinet has been completed and is wired to front end unit cabinets, main control cabinet, calibration unit cabinet and thermal system cabinet. The systems not available in Geneva (Laser frequency comb and Instrument connection point ) are bypassed.
The forward to the root Alarm panel in the VCS cabinet is bypassed to avoid unnecessary triggering of alarms via the temporary SMS alarm signalling.
2017-04-20
Roberto Cirami
Test
System
A whole set of tests to check all the instrument subsystems have been executed in preparation of the software PAE.
2017-04-19
Roberto Cirami
Test
System
A whole set of tests for checking all the instrument subsystems have been executed in preparation of the software PAE.
2017-04-19
Roberto Cirami
Configuration change
ICS
The shutter instrument workstation software has been updated in order to allow to reset a PLC error condition if the NGC try to take an exposure with no shutter selected.
2017-04-18
Giorgio Calderone
Test
System
I started the procedure to run a thorough test of all available ESPRESSO systems.
This operation failed last time it has been executed since the FS3 camera was not reachable.

It will take approximately 3-4 hours to run all the tests. I will describe the test outcomes in the next log entry.

The tests can be interrupted at any time, just drop me an email....
2017-04-18
Giorgio Calderone
Test
Front End
The FS3 camera (IP address: 192.168.66.155) do not responds to ping queries, as if it has been switched off, or is not connected to the network
2017-04-14
Roberto Cirami
Configuration change
ICS
The ESPRESSO software has been updated to the latest version (revision 296414). Before doing the update the DETDATA directory has been copied in /diskb/Backup_DETDATA/2017-04-14. Some tests have been performed that involved ICS, scientific detector and TCCDs.
2017-04-14
Francesco Pepe
Operation
Cryo-vacuum system
Thursday 2017-04-13
- Alarm on 'bad vacuum' received by Ian Hughes
- F. Pepe checked and 'reset' the alarm on the system at OG around 10 pm.
- Cryo-Pump 1 was set on 'normal' mode (was on engineering mode before)
- A few hours later, the emergency pumping started automatically

Friday 2017-04-14
- From remote (VNC) F. Pepe stopped the emergency pumping, since Cryo-Pump 1 must not be operational when Cryo-Pump 2 is.

Remark:
- VV still has a leak on the blue flange, as reported earlier. The leak is of the order of 2E-4 per day. The leak shall be repaired at a later occasion, since not critical.

2017-04-10
Francesco Pepe
Test
System , Science SW
Starting on Friday 7 of April afternoon to Monday 10 of April we have performed a long sequence of TAL1-TAL2 and DARK exposures. The goal was to:

- Test the system operability on a long time series
- Perform repeated DARK exposures
- Test the 'drift-measurement' recipe
- Test the absolute and relative (fiber-to-fiber) stability of the spectrograph

The test was conducted successfully and the data are being processed.
2017-04-13
ian hughes
Test
Spectrograph, Blue Camera, Thermal system, Cryo-vacuum system
We performed a blackout test on the instrument. The system was in operation mode before cutting the power and the pumping was enable. The power cut was simulated by unplugging the main power cable on the wall. this shut down everything except for the computers. Following the procedure, we restart every cabinets and devices and 15 minutes later, the system was recovered. in the afternoon, a leak detection was performed on the vacuum vessel in order to check if the leak was repaired. unfortunately the leak is still there, but slightly less than before. The actual leak value is 4x10-8 mbar*l/s. The system has been put back in automatic mode for the Easter w-e.
2017-04-12
Francesco Pepe
Operation
System , Cryo-vacuum system
At 7 pm I have:

- Stopped VV pumping (engineering mode)
- Verified that Cryo-Pump 2 was at nominal cooling temperature (110K) and operational (valve on VV open)
- Started cooling of Cry-Pump 2

The pressure of the VV after closing the pumping VV was 9E-6 mbar at 19.00 hour.
2017-04-12
Francesco Pepe
Configuration change
Cryo-vacuum system
The screws of the VV vacuum flange on which the leak has been detected earlier on were found to be poorly tighten. Due to the nature of this flange, which is mounted from inside the vacuum vessel, the leak might be cause by this fact. After tighten the screws the pressure raise of the WARM VV was measured to about 4E-5 mbar per hour, i.e. less than 1E-3mbar per day. This is both a lower value compared to the raising rate measured previous while using the cryostat-pumps and a value three time lower than the HARPS vessel outgassing. We think therefore that the vacuum leak has been fixed. After re-generation, we (Nicolas Haddad, Ian Hughes, Francesco Pepe) will start the cryostat-pumping (#2) and see whether the VV pressure remains stable.
2017-04-12
Francesco Pepe
Configuration change
Cryo-vacuum system
As reported by Ian Hughes earlier, a leak was found on the blue detector cryostat and fixed. The confirmation for having fixed the leak was obtained today by stopping the pumping and observing how the pressure in the blue dewar evolved. When stopping the pump and closing the valve at about 10 am, the pressure was about 1.6E-6 mbar. It raised somewhat but at 5 pm it seemed quite stable around 2.43E-6 mbar.

The pressure seems does performing well despite the fact that no re-generation of the sorption pump has been performed after the leak repair.
2017-04-11
Ian Hughes
Maintenance
Blue Camera, Thermal system, Cryo-vacuum system
A more accurate leak detection has been performed on the vacuum vessel Blue flange and the leak has ben located. It seems to be between the big flange and the intermediate flange of the blue cryostat. An other leak detection has been performed on the Blue Detector and it appears that a over-pressure valve was leaking. This leak has been solved by rotating the top part of the valve which is spring-loaded sealed. the systems needs to recover now and tomorrow a new vacuum test will be preformed.
2017-04-10
Ian Hughes
Maintenance
Spectrograph, Blue Camera, Cryo-vacuum system
Due to a abnormal raise of the pressure inside the vacuum vessel when connected to the cryo-pump, we performed a leak detection with Nicolas Haddad and with the help of Jean-Louis. We detected a leak around the flange of the Blue cryostat. Tomorrow, this will be investigated more deeply. Jean-Louis will be here.
2017-04-07
Ian Hughes
Operation
Spectrograph, Blue Camera, Thermal system, Cryo-vacuum system
Replaced the empty tank of LN2 by a full one. Has to be done twice a week.
2017-04-06
Francesco Pepe
Test
System
We have executed a full set of calibrations. The LDLS flat-field lamp was used with the colour-balancing filter. At the same time, I have determined the default filter setting and exposure times for a correct flux level.

Calibration set:
cal_order: TEXP = 5 s, NDA = 2.0, NDB = 1.7, achieved max flux 55'000 ADU
cal_FF: TEXP = 5 s, NDA = 2.0, NDB = 1.7, achieved max flux 55'000 ADU
cal_wave with TAL1-TAL2: TEXP = 40 s, NDA = 0, NDB = 0
cal_wave with FP-FP: TEXP = 40 s, NDA = 2, NDB = 1.7
cal_wave with TAL1-FP: TEXP = 40 s, NDA = 0, NDB = 1.7
2017-04-03
Francesco Pepe
Configuration change
Calibration System
In order to lower the dynamical range between the red and blue end of the blue-camera spectrum. I have inserted a filter box and a 200 µm fiber between the LDLS fiber and the calibration-unit fiber of the FF lamp. The filter box was populated with a thermal filter cutting above 780 nm and an interference filter by TFP reproducing the inverse of a BB-curve with a transmission decreasing by a factor of 10 to 15 between 400 nm and 800 nm. After insertion of these filters the dinamic range was reduced from 10 to 4 and is well belanced in color.
The configuration change is provisional in the sense that
- The filter must be validated also by the red camera.
- The documentation must be updated if the filter is kept as final solution.

It must be noted that calibration passed QC also without the filter, but exposure time tuning is more critical to avoid saturation in the red and have enough flux in the blue.

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