Infrared photometry of the RS CVn short-period systems - XY UMa and WY CNC

Details Infrared photometry of the RS CVn short-period systems - XY UMa and WY CNC Infrared photometry of the RS CVn short-period systems - XY UMa and WY CNC

Mar 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990aj.....99..983a&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 99, March 1990, p. 983-994.

Astronomy and Astrophysics

Astronomy

16

Binary Stars, Infrared Photometry, Light Curve, Iue, Visible Spectrum

Scientific paper

Infrared J and K light curves of two RS CVn short-period systems, XY UMa and WY Cnc, are presented. Both systems show similar variability in the infrared to that observed in the visual. From the colors an infrared excess is inferred for the primary component of both systems. A new determination of their geometrical elements is presented and the resulting parameters are compared to those previously obtained from visible photometry. The light curves show peculiarities that may indicate the presence of gas streams in the systems.

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