[vsnet-alert 4361] Re:Intermediate state of BZ Cam

[Tsutomu Watanabe <JCC00212@nifty.ne.jp>]

>    BZ Cam varied from 12.9 to 13.2, far either from the last value
> 13.9 observed by T.Watanabe or from the value 14.13+-0.03 expected
> from continuation of the linear decline.
>    Thus we conclude that the star is bright again, with an incline
> much faster (<60 days) than the decline from the same magnitude
> (~250 days assuming linear decrease).

I have some observation data after the date 51551 as follows.

   UT             JD-2400000   Mag.
  2000/1/7 15:00   51551.125   13.9
  2000/2/4 15:34   51579.149   13.7
  2000/2/9 14:47   51584.116   13.5
  2000/2/11 15:31  51586.147   13.4
  2000/2/16 13:49  51591.076   13.4
  2000/2/16 13:50  51591.076   13.4
  2000/2/27 10:26  51601.935   13.3
  2000/3/2 12:26   51606.018   12.8
  2000/3/8 15:26   51612.143   12.6  tonight

The brightening is announced in vsnet-alart 4162:
  http://vsnet.kusastro.kyoto-u.ac.jp/vsnet/Mail/alert4000/msg00162.html
Rrecent data are mentioned in vsnet-recent 54702, too:
  http://vsnet.kusastro.kyoto-u.ac.jp/vsnet/Mail/recent54000/msg00702.html

The increasing speed is 1.1mag/33days = 30 days/mag (from 13.7 to 12.6, 
assuming linear increase).


Regards,

Tsutomu Watanabe (VSOLJ)
JCC00212@nifty.ne.jp

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