Enhanced Mass Transfer in U Geminorum during its Outbursts and Superoutburst

Details Enhanced Mass Transfer in U Geminorum during its Outbursts and Superoutburst Enhanced Mass Transfer in U Geminorum during its Outbursts and Superoutburst

Sep 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005aca....55..315s&link_type=abstract

Acta Astronomica, v.55, pp.315-320, (2005).

Astronomy and Astrophysics

Astronomy

3

Accretion, Accretion Disks, Navae, Cataclysmic Variables, Stars: Dwarf Novae, Stars: Individual: U Gem

Scientific paper

The mass transfer rate in U Gem at quiescence, estimated to be dot M approx 1.3 - 2.0 times 10^16 g/s, is used to calculate the amount of mass Delta M_tr transfered to the disk during quiescence. Light curves of U Gem are used to estimate the amounts of mass Delta M_accr accreted during its three types of outbursts. In the case of wide outbursts and the 1985 superoutburst Delta M_accr are much larger than Delta M_tr, indicating significant enhancement in the mass transfer by a factor of f approx 20 - 50. There is no evidence for comparable enhancement during narrow outbursts.

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