Tests of a multichannel photometer based on silicon diode detectors

Details Tests of a multichannel photometer based on silicon diode detectors Tests of a multichannel photometer based on silicon diode detectors

Sep 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988itp..work...47b&link_type=abstract

In its Second Workshop on Improvements to Photometry p 47-55 (SEE N89-13310 04-89)

Computer Science

Performance

1

Cooling, Detectors, Diodes, Performance Tests, Photometers, Preamplifiers, Silicon, Astronomy, Precision, Scintillation, Stars

Scientific paper

A breadboard photometer was constructed that demonstrates a precision of 2 times 10 to the 4th power in the laboratory and scintillation-limited performance when used with an 0.5 m aperture telescope. Because the detectors and preamps are not cooled, only stars with mv approx. less than 4 are bright enough to allow the photometer to attain a precision of 1 times 10 to the 3rd power for three minute observations with an 0.5 m aperature telescope. Cooling the telescope should allow much fainter stars to be observed. Increasing the aperture of the telescope will allow higher precision and the observation of fainter stars.

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