RX And: An intermediate between Z Cam and VY Scl stars

Details RX And: An intermediate between Z Cam and VY Scl stars RX And: An intermediate between Z Cam and VY Scl stars

Mar 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002a%26a...384l...6s&link_type=abstract

Astronomy and Astrophysics, v.384, p.L6-L9 (2002)

Astronomy and Astrophysics

Astrophysics

6

Accretion, Accretion Discs, Binaries: Close, Stars: Individual: Rx And, Novae, Cataclysmic Variables

Scientific paper

We present the AAVSO long term visual light curve of RX And. The system has been classified as a Z Cam-type dwarf nova, showing alternating standstills and dwarf nova outbursts. Our data reveal that RX And has also characteristics of a VY Scl star, remaining for extended periods in a low state ~ 3.5 mag fainter than the standstill with no detectable outbursts. We discuss this result in the context of mass transfer variations in CVs and the still poorly understood VY Scl phenomenon.

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