Disk Eclipse in IY UMa: Further Evidence for Stream Overflow

Details Disk Eclipse in IY UMa: Further Evidence for Stream Overflow Disk Eclipse in IY UMa: Further Evidence for Stream Overflow

Jun 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003aca....53..167s&link_type=abstract

Acta Astronomica, v.53, pp.167-173, (2003).

Astronomy and Astrophysics

Astronomy

1

Binaries: Eclipsing, Novae, Cataclysmic Variables, Stars: Individual: Iy Uma

Scientific paper

Disk eclipse light curve of dwarf nova IY UMa at quiescence (Steeghs et al. 2003) is analyzed. It is found that about 10% of the observed disk flux comes from parts of the stream which are overflowing the disk. They are also responsible for the residual flickering present during total eclipse of the hot spot. The fraction of mass involved in the stream overflow is very crudely estimated to be about 20%.

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