A fibre optic, four channel comparative photometer

Details A fibre optic, four channel comparative photometer A fibre optic, four channel comparative photometer

Sep 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988itp..work...57w&link_type=abstract

In NASA, Ames Research Center, Second Workshop on Improvements to Photometry p 57-81 (SEE N89-13310 04-89)

Physics

Optics

1

Fiber Optics, Photometers, Stars, Astronomy, Photometry, Photomultiplier Tubes

Scientific paper

Development of a four channel comparative photometer is described. Tests have shown that it is stable from night to night and is capable of working in very poor sky conditions. Even when the sky conditions are so poor that stars are barely visible, light curves can still be obtained with an r.m.s. value of 0.0016 mag., provided that integration times that are long compared with the transparancy changes are possible.

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