[vsnet-alert 10351] Re: OT 020207+200715

Taichi Kato tkato at kusastro.kyoto-u.ac.jp
Mon Jul 21 10:11:18 JST 2008


> "Pi of the Sky" has automatically detected an optical transient
> 2008.07.19 9:45:00 UT at RA = 02h 02m 07s  Dec= +20d 07m 15s.
>
> Preliminary photometry (CCD with IR-cut filter passing 390-690nm):
>
> 9:44:46-9:44:56 - >12mag limit
> 9:45:00-9:45:10 - 10.7
> 9:45:12-9:45:22 - 11.4
> 9:45:24-9:46:25 - 12.0
> 9:46:27-9:47:05 - 12.5
> 
> Images can be seen at
> http://grb.fuw.edu.pl/pi/events/200807/18/event0.php

   It looks like that the following object underwent a strong flare
(flare star).

USNO1050.00569325 020206.296 +200658.55 (2000.0) 15.6 19.0
2MASS 020206.533 +200656.05 (2000.0) 12.082 11.503 11.229 

The following ROSAT detection may be assosicated:
020203.6 +200821 (2000.0) 1WGAJ0202.0+2008 0.0103 2.08 0.91 1.23 0.29 obs=1993.223


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