Astronomy and Astrophysics – Astronomy
Scientific paper
Aug 1987
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987pasp...99..877s&link_type=abstract
Astronomical Society of the Pacific, Publications (ISSN 0004-6280), vol. 99, Aug. 1987, p. 877-886. Research supported by the Un
Astronomy and Astrophysics
Astronomy
22
Charge Coupled Devices, High Speed, Photometers, Stellar Spectrophotometry, Atmospheric Attenuation, Data Reduction, Image Analysis, Real Time Operation, Signal To Noise Ratios, Spectrum Analysis
Scientific paper
A new high-speed photometer which employs a CCD as the detector is described. The CCD images are reduced and analyzed in real time and only the photometric measurements are recorded and displayed. The photometer can operate continuously with a 12-msec dead time between integrations and can do accurate differential photometry on up to six stars simultaneously. The signal-to-noise ratio of the photometric measurements is maximized by the use of a profile-weighting function. Because the sky brightness is accurately measured in each integration, accurate differential photometry through thin clouds and haze is possible.
Allen Steven L.
Stover Richard J.
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