The RQPNMLK photometric system

Basic Reference

Borgman J. 1960, BAN 15, 255

Abstract

Photoelectric photometry in seven wavelength regions has been obtained of 356 O, B and A stars. The wavelength regions have been chosen on the basis of usefulness of the data for classification purposes: however, the present paper is confined to the observations.

Content

Access to the data and references

Asiago Database on Photometric System (ADPS)

Indices and Parameters

L-K, M-L, N-M, P-N, Q-P, R-Q

Filters

              Peak
 Filter   wavelength  Width
              [Å]      [Å]
 
    R :      3295       80
    Q :      3560       90
    P :      3750      110
    N :      4055      200
    M :      4550      200
    L :      5240      220
    K :      5880      215

Transmission curves

Photomultiplier

RCA 1P21
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Jean-Claude.Mermilliod@obs.unige.ch
Last update: 21 May 1996