Central Bureau for Astronomical Telegrams

CBAT "Transient Object Followup Reports"

PNV J21095047+1348396

PNV J21095047+1348396   2011 05 24.6991*  21 09 50.47 +13 48 39.6  11.5 U             Peg       9 0 

2011 05 24.6991

unfiltered CCD mag = 11.5. Discovered by K. Itagaki during his survey. This is a confirmation by himself with a 0.60-m refl..

2011 05 25.3

We can confirm the presence of an optical counterpart with unfiltered CCD magnitude about 11.0 (USNO-B1.0 Catalogue reference stars) at coordinates: R.A. = 21 09 50.46, Decl.= +13 48 39.6 Our confirming image of this transient and an animation showing a comparison between our image and the archive POSS2/UKSTU plate (R Filter - 1991): http://bit.ly/mycwOt by Ernesto Guido & Giovanni Sostero

2011 05 25.67

According to vsnet-alert 13347, a spectroscopy performed by Kyoto Sangyo Univ. team (Arai et al.) has revealed that it is a dwarf nova in outburst. The spectrum can be seen at: http://www.cc.kyoto-su.ac.jp/~kao/blog/index.php/view/94