Eclipse mapping the flickering sources in the dwarf nova HT Cassiopeia

Details Eclipse mapping the flickering sources in the dwarf nova HT Cassiopeia Eclipse mapping the flickering sources in the dwarf nova HT Cassiopeia

2011-05-06

arxiv.org/abs/1105.1382v1

Astronomy and Astrophysics

Astrophysics

Solar and Stellar Astrophysics

4 pages, 3 postscripts figures. To appear in the proceedings of "The Physics of Accreting Compact Binaries", Universal Academi

Scientific paper

We report results of the eclipse mapping analysis of an ensemble of light curves of HT Cas. The fast response of the white dwarf to the increase in mass transfer rate, the expansion rate of the accretion disc at the same time, and the relative amplitude of the high-frequency flickering indicate that the quiescent disc of HT Has has high viscosity, alpha ~ 0.3-0.7. This is in marked disagreement with the disc-instability model and implies that the outbursts of HT Cas are caused by bursts of enhanced mass-transfer rate from its donor star.

Affiliated with

Also associated with

No associations

Rating

Eclipse mapping the flickering sources in the dwarf nova HT Cassiopeia does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Eclipse mapping the flickering sources in the dwarf nova HT Cassiopeia, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Eclipse mapping the flickering sources in the dwarf nova HT Cassiopeia will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-653180