[vsnet-alert 9653] Re: SDSSJ090103.93+480911.1: eclipsing CV below the period gap in outburst

[Gianluca Masi]

Dear Colleagues,

I just observed the star with the 0.36m unit of the Virtual
Telescope and it is still active:

http://virtualtelescope.bellatrixobservatory.org/SDSS_UMa.jpg

Started a run, altough the source is faint.

Cheers,
Gianluca

----- Segue Messaggio Originale  -----
Da : tkato at kusastro.kyoto-u.ac.jp (Taichi Kato)
A : suuma at yahoogroups.com,
variable_star_forum at yahoogroups.com,
vsnet-alert at ooruri.kusastro.kyoto-u.ac.jp,
vsnet-alert at yahoogroups.com,
vsnet-campaign-dn at ooruri.kusastro.kyoto-u.ac.jp,
vsnet-outburst at ooruri.kusastro.kyoto-u.ac.jp,
vsnet-outburst at yahoogroups.com
oggetto : [vsnet-alert 9651] SDSSJ090103.93+480911.1:
eclipsing CV below the period gap in outburst
Data : Tue,  9 Oct 2007 09:21:11 +0900 (JST)

>    The following message is from cvnet-outburst.
> SDSSJ090103.93+480911.1 is possibly an eclipsing SU
> UMa-type dwarf nova (currently undergoing a normal
> outburst?).
> 
> ===
> 
> From: "steve_e_brady" <sbrady10 at verizon.net>
> 
> The CV SDSS J090103+480911 was observed in outburst on
> 2007_10_06.2863  UT at mag ~ 16.1. Several hours of time
> series observations present two  eclipses with a period of
> ~ 1.9 hours and an eclipse depth of ~ 1.0  mag. I have
> been monitoring this star since Nov'06 with only one 
> positive identification at ~ mag 19 in Mar'07. To the best
> of my  knowledge this CV type is categorized as unknown.
> Unfortunately the weather in NH (USA) does not look good
> for further  observations this entire week and follow-up
> observations are  encouraged.  I would be happy to receive
> any observations made. 
> 
> 
> Clear skies,
> 
> Steve Brady (BXS)