Author Archives: Denis Mégevand

Blue camera good news

On Friday July 29th, 2016, our ESO colleagues Hans Dekker, Jean-Louis Lizon and Bernard Delabre were at Winlight for the PAE of the blue camera. As reported by them, the image quality is excellent, transmission is 95% on average, so … Continue reading

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News from integration – week 29

Attendees: Matteo Aliverti Giorgio Pariani Denis Mégevand Ian Hughes Samuel Rihs Adrien Crausaz During week 29 of 2016, Matteo Aliverti and Giorgio Pariani visited Geneva Observatory to align the front end units. The first task was to verify why the … Continue reading

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Fiber Link is in Geneva

During the week 28 of 2016, Jose Luis Rasilla (JLR) and Felix Gracia (FGR) visited Geneva to start the integration process of the Fiber Link. The interface with the Vacuum vessel has been successfully tested, then all the fibers have … Continue reading

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ICE integration activity in Geneva

On June 22 and 23, Igor Coretti visited Geneva to start the integration process of the control electronics of ESPRESSO. All the Control electronics components (Main ICE cabinet and 4 Front End Units) have been successfully transported (thanks to people … Continue reading

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First Coudé Train optomechanics mounted at Paranal

From June 10th to July 3rd, An important mission was held at Paranal Observatory to start the integration of the first CT optomechanics unit on UT4 and UT1. Some problems were discovered during this mission, particularly on the telescopes structures … Continue reading

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Front-End and ICE delivery and integration in Geneva

On June 20, 2016, the Front End and the main electronics racks were delivered at the Observatory of Geneva. During the rest of the week, they were reintegrated in the clean room with the rest of ESPRESSO. Some work still … Continue reading

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MR263 grating delivered to Garching

The three replicas of the new (MR263) echelle grating were delivered at ESO, including test data. One segment was sent to the Fraunhofer institute in Jena to measure S and P efficiency at five laser wavelengths (375, 416, 532, 630, … Continue reading

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ESPRESSO first laboratory light

Dear ESPRESSO friends, This post is ‘just’ to share with you a fantastic moment in the ESPRESSO project, occurred on June 3rd, 2016. It may sound surprising, but it’s true: We just had first laboratory light with ESPRESSO. The whole … Continue reading

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Blue arm optics started integration

The first optical elements of the blue arm have been integrated in Geneva from May 25 to May 27, by Marco Riva, Ian Hughes, Giorgio Pariani and Matteo Aliverti. This concerns the dichroic mirror (DC), the field lens (FL) and … Continue reading

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Coudé Train optics, good and bad news

The last optical element of the first Coudé Train, the prism P6, has been glued in its barrel on May 17th, in Merate by Marco and Matteo. As soon as the glue will have cured, it will be send to … Continue reading

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