[vsnet-alert 17081] Re: MASTER OT J192809.82+551616.5 fading rapidly after outburst by ~7m
tkato at kusastro.kyoto-u.ac.jp
Tue Mar 25 11:10:30 JST 2014
Re: MASTER OT J192809.82+551616.5 fading rapidly after outburst by ~7m
> The rapid fading is in
> contradiction with the large amplitude which seems to be too much for
> a normal outburst or UGSS type dwarf nova. Experts opinion is needed!
A fading rate of 0.3-0.4 mag/d is not strongly
in contradiction with a WZ Sge-type outburst.
The initial phase of WZ Sge-type dwarf novae
reflects viscous decay, which is faster than
the exponential decay (see subsection 5.4 of Pdot5
paper). Indeed V592 Her (1998) initially faded
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