[vsnet-alert 9830] 1RXS_J053234.9+624755 stopped declining

[Ohshima]

1RXJ053234.9+624755 stopped declining

Dear colleagues,

 Though the UGSU type dwarf nova 1RXJ053234.9+624755 was declining
 at the speed 0.1-0.2 mag/day until 15th of Jan, the decline seems
to have stopped on 16th. This is very interesting state.

 And we have received further time-series data of this star from 
Kazuhiro Nakajima and Hiroyuki Maehara.
 With PDM method, the best estimated period of these modulations
 is 0.05715(7)d. According to the data, the superhump period of 
this star is getting long. This trend is still lasting after
 the stop of the decline.

Recent observations;
   20080101.726  <140  (Wolfgang Kriebel)
  20080102.855  <142  (Eddy Muyllaert)
  20080105.938  <142  (Eddy Muyllaert)
  20080106.024  <154  (Gary Poyner)
  20080106.746  <140  (Wolfgang Kriebel)
  20080107.769   118  (Wolfgang Kriebel)
  20080107.775   120  (Patrick Schmeer)
  20080107.860   119  (Gary Poyner)
  20080107.908  119C  (Jeremy Shears)
  20080107.979   119  (Eddy Muyllaert)
  20080108.664  12.02C  (Kazuhiro Nakajima)
  20080108.712   118  (Wolfgang Kriebel)
  20080108.748   119  (Patrick Schmeer)
  20080109.374  11.82B  (Martin Nicholson)
  20080109.376  11.72V  (Martin Nicholson)
  20080109.489  11.73C  (Kazuhiro Nakajima)
  20080109.844   118  (Eddy Muyllaert)
  20080110.456  11.67B  (Martin Nicholson)
  20080110.456  11.71V  (Martin Nicholson)
  20080111.406  11.81V  (Martin Nicholson)
  20080111.407  11.80B  (Martin Nicholson)
  20080111.710   118  (Wolfgang Kriebel)
  20080112.466  12.19C  (Kazuhiro Nakajima)
  20080112.771   120  (Eddy Muyllaert)
  20080113.224  12.19B  (Martin Nicholson)
  20080113.226  12.13V  (Martin Nicholson)
  20080114.512  12.51C  (Kazuhiro Nakajima)
  20080115.453  12.64C  (Kazuhiro Nakajima)
  20080116.483  12.59C  (Kazuhiro Nakajima)
  20080116.863   124  (Eddy Muyllaert)
  20080117.733   124  (Wolfgang Kriebel)