Infrared photometry of the RS CVn binaries. III - JHK light curves of UV PSC

Details Infrared photometry of the RS CVn binaries. III - JHK light curves of UV PSC Infrared photometry of the RS CVn binaries. III - JHK light curves of UV PSC

Sep 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983a%26as...53..347a&link_type=abstract

Astronomy and Astrophysics Supplement Series (ISSN 0365-0138), vol. 53, Sept. 1983, p. 347-349.

Astronomy and Astrophysics

Astronomy

2

Astronomical Photometry, Eclipsing Binary Stars, Infrared Photometry, Infrared Spectrophotometers, Light Curve, Stellar Spectrophotometry, Hertzsprung-Russell Diagram, Infrared Astronomy, Near Infrared Radiation, Stellar Magnitude

Scientific paper

The infrared observation of UV Psc were made in October 1978, September 1979, and November and December 1979 with an MKII infrared photometer. The photometer, detector, filters, and telescope are the same as those described by Glass (1973). The photometric measures were made in relation to HR 434; its infrared magnitudes are compared with the magnitudes of Glass's 1974 standard stars, and their magnitude differences were constant to high accuracy throughout the periods of observation. A comparison star (HR 434) not as faint as the program star and not of the same spectral type was selected in order to save observing time, which was used in obtaining more frequent observations of UV Psc. Another reason for using a bright comparison star is that the errors introduced into infrared differential photometry at 7 m or 8 m in K would be worse than those introduced because of the nonsimilarity of magnitudes and colors of the standard star and program binary.

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