[vsnet-alert 15179] Re: CSS 081026:015321+340857 outburst

[Tom Krajci]

Initial unfiltered images from Astrokolkhoz in southern New Mexico show 
this object to be at approx mag 16.3.  (JD 2456279.56)

Astrometry gives coordinates (J2000)
01 53 21.48 +34  08 56.02

We will continue time-series coverage for several hours....

-- 
-------------------------------------------
Tom Krajci
Cloudcroft, New Mexico
http://picasaweb.google.com/tom.krajci

Center for Backyard Astrophysics (CBA)
http://cbastro.org/ CBA New Mexico

American Association of Variable Star
Observers (AAVSO): KTC http://www.aavso.org/
-------------------------------------------


On 12/17/2012 3:03 PM, Denis Denisenko wrote:
> This dwarf nova in Triangulum is in outburst on three
> MASTER-Kislovodsk survey images (60-sec unfiltered exposures):
>
> CSS 081026:015321+340857
>    20121217.717  15.98  MASTER-Kislovodsk
>    20121217.718  15.95  MASTER-Kislovodsk
>    20121217.719  15.95  MASTER-Kislovodsk
>
> Previous outburst to 15.8-16.0m was detected on 2012 Jan. 01 by
> Catalina Sky Survey:
> http://nesssi.cacr.caltech.edu/catalina/20081026/810261350094107353p.html
>
> Object has a bright UV counterpart in GALEX data (obs. date 2003-11-28):
> GALEX J015321.4+340856 (FUV=16.51+/-0.03, NUV=16.57 +/- 0.02)
>
> Star was in outburst on 1988-09-13 blue, 1989-12-02 red and 1993-10-23
> infrared DSS plates, but faint on 6 other Palomar images:
> USNO-B1.0 1241-0026354 B1=20.73 R1=N/A B2=21.13 R2=17.08 I=16.15
>
> Variability was also found on Second Byurakan Survey plates with
> outbursts in 1972 and 1975 (Erastova L.K. The variable star SBS
> 0150+339. Astrophysics, Vol. 54, No. 1, pp. 143-145, 2011).
>
> Orbital period appears to be unknown.
>
> Denis Denisenko
>
>