Infrared photometry of the RS CVn binaries. IV - SZ PISCIUM

Details Infrared photometry of the RS CVn binaries. IV - SZ PISCIUM Infrared photometry of the RS CVn binaries. IV - SZ PISCIUM

Jun 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984a%26a...135...61a&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 135, no. 1, June 1984, p. 61-65.

Astronomy and Astrophysics

Astronomy

13

Astronomical Photometry, Eclipsing Binary Stars, Infrared Photometry, Infrared Spectroscopy, Light Curve, Stellar Spectrophotometry, Infrared Astronomy, Near Infrared Radiation, Stellar Magnitude

Scientific paper

Infrared light curves of the RS CVn-type binary SZ Piscium (HD 219113) in J, H, and K have been obtained between August 1978 and December 1979 and nearly sinusoidal light variations outside eclipses have been detected, similar to those observed in other RS CVn systems. The period of this variation is nearly equal to the orbital period and their amplitude decreases with increasing wavelength. Irregular light variations have also been observed. There is no conspicuous infrared excess attributable to circumstellar emission. This might have been expected because of the variability of the period of the system.

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