[vsnet-alert 9662] Re: 1RXS_J023238.8-371812 dramatic fading!Re: 1RXS_J023238.8-371812 dramatic fading!Re: [vsnRe: 1RXS_J023238.8-371812 dramatic fading!

[arne]

Taichi Kato wrote:
 > 1RXS_J023238.8-371812 dramatic fading!
 >
 >    Greg Bolt has just reported time-series photometry on Oct 11.
 > The object has faded dramatically, about 2.8 mag within the last
 > 2 days.  The start of the fading looks like to have been detected
 > the last run by Peter Nelson.  The superhump profile became more
 > irregular with fluctuations.  Taking Oct 1 as the start of the
 > present plateau (following a "dip"), its duration is 8-10 days,
 > which is remarkably shorter than those of most WZ Sge-type
 > dwarf novae.  The present phenomenon also looks unlike from
 > the "second superoutburst" of AL Com in that very regular
 > superhumps are present.  We know a very few examples of such
 > a short-lasting plateau in WZ Sge-like objects, e.g. LL And
 > 1993 (Kato, PASJ 56, S135).
 >
 >    The fading has apparently stopped, and we can expect further
 > rebrightenings.  Please keep your closest watch on this object!
 >

Our SRO photometry from 071012 UT indicated that J0232 was at V=15.9,
about a magnitude fainter than 071011.  I don't see any decrease
in the fading at this time.
Arne