Development of Multi-Channel Photoelectric Photometer Using Optical Fiber

Details Development of Multi-Channel Photoelectric Photometer Using Optical Fiber Development of Multi-Channel Photoelectric Photometer Using Optical Fiber

Jun 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993jass...10...94l&link_type=abstract

Journal of Astronomy and Space Sciences, vol.10, no 1, p.94-102.

Astronomy and Astrophysics

Astronomy

Scientific paper

We have developed a four-channel photoelectric photometer for the 61cm telescope of Sobaeksan Astronomy Observatory using optical fiber. We observed a standard star with each channel to check the efficiency difference between the channels, and found no differences. To calibrate the observing accuracy and efficiency, we have observed a short period WUMa type eclipsing binary star, BV Dra. Test observations show that the photometer is very stable and the accuracy of the data is also increased. The observing efficiency is very increased compared with that of single channel photometer; at least five times faster than older one in the case of one filter observation.

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