[vsnet-alert 12817] Re: SDSS J133941.11+484727.5 very bright outburst!

[Gianluca Masi]

Dear Colleagues,

the light curve is more complex than at first glance. I plan to cover it 
as long as possible, possibly to dawn.

Regards,
Gianluca

Gianluca Masi ha scritto:
> Dear Colleagues,
> 
> I'm remotely using the photometric unit of the Virtual Telescope Project 
> to cover this outburst.
> 
> After about one hour of coverage, I see a wave which can be an hibt of 
> superhumps. I plan to go as long as possible on this star.
> 
> best,
> Gianluca
> 
> Taichi Kato ha scritto:
>> SDSS J133941.11+484727.5 very bright outburst!
>>
>>    Jeremy Shears has detected a very bright outburst (report via 
>> baavss-alert)
>> of this suspected WZ Sge-type dwarf nova.   This is the first recorded
>> outburst of this object and 7 mag brighter than in quiescence!
>> Time-resolved photometry and spectroscopy are urgently requested!
>>
>>   YYYYMMDD(UT)   mag  observer
>>   20110207.919   104  (Jeremy Shears)
>>   20110207.940  10.416V  (Ian Miller)
>>   20110207.958   105  (Gary Poyner)
>>
>> Basic information:
>>
>> SDSSJ133941.11+484727.5 133941.11 +484727.5 qUGSU:+ZZ 17.2 17.7 R
>> http://adsabs.harvard.edu/abs/2005AJ....129.2386S (WD visible, 
>> Porb=1.7:hr?)
>> http://adsabs.harvard.edu/abs/2006MNRAS.365..969G (Porb=82.52 min; ZZ 
>> type)
>> type: Porb strongly suggests UGSU type
>> range: in quiescence, CSS data
>> (http://nesssi.cacr.caltech.edu/catalina/20010320/103201490494100485p.html) 
>>
>>
>>
> 
>