[vsnet-alert 16663] Re: SU UMa outburst

Hiroyuki Maehara maehara at kiso.ioa.s.u-tokyo.ac.jp
Sun Dec 1 12:10:21 JST 2013


SU UMa outburst continues

object   date(UT)       mag.     code  err.
UMASU    20131126.78383 12.299V  KW2   0.334
UMASU    20131126.78419 12.288V  KW2   0.312
UMASU    20131129.80556 12.335V  KW2   0.113
UMASU    20131129.80590 12.580V  KW2   0.140
UMASU    20131129.83795 12.414V  KW2   0.149
UMASU    20131129.83828 12.520V  KW2   0.155
UMASU    20131130.79792 12.699V  KW2   0.162
UMASU    20131130.79828 12.772V  KW2   0.172

KW2: Kiso Wide-field Survey
     f=105mm lens (F/2.0) + SBIG ST-8XME (V-band)

On Fri, Nov 29, 2013 at 16:39:44, Akira Imada wrote:
> Dear Colleagues,
> 
> Last night I performed CCD photometry and SU UMa is 
> still bright (Rc = 12.5, 20131128.75UT).
> The light curves show complicated modulations with a period 
> of 0.078 d. This period is a few percent longer than the
> orbital period of SU UMa. Further observations are needed
> to see whether or not this outburst is superoutburst.
> 
> Regards,
> Akira Imada
> Okayama Astrophysical Observatory
> 
> 
> On Thu, 28 Nov 2013 09:56:33 +0900
> Taichi Kato <tkato at kusastro.kyoto-u.ac.jp> wrote:
> 
> > SU UMa outburst
> > 
> >   Relatively bright outburst.
> > 
> >   YYYYMMDD(UT)   mag  observer
> >   20131110.960   137  (Eddy Muyllaert)
> >   20131126.923   116  (Jose Ripero)
> 


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