[vsnet-outburst 8494] 1RXS J053234.9+624755: rather gradual fading? onset of a long fading tail?

uemuram at hiroshima-u.ac.jp uemuram at hiroshima-u.ac.jp
Sun Jan 27 18:51:21 JST 2008


1RXS J053234.9+624755: rather gradual fading? 
                         onset of a long fading tail?

  Our last night observation (26 Jan) shows a further 
fading of the object. 

20070123.71188 14.87V 0.04 Higashi-Hiroshima Observatory
20070126.55304 15.73V 0.06 Higashi-Hiroshima Observatory

The fading rate is, however, about 0.3 mag/day, 
which is rather gradual compared with typical rapid fading 
phases from superoutburst.  It is possible that we now 
see an onset of a long fading tail.  The long fading tail 
is frequently seen among WZ Sge-type dwarf novae, 
while J0532 has not exhibited characteristics for WZ Sge 
stars in past outbursts.

Regards,
M. Uemura, A. Arai, and M. Sasada
on behalf of the KANATA team
Hiroshima University


 




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