Central Bureau for Astronomical Telegrams

CBAT "Transient Object Followup Reports"

PSN J16224316+1857356

PSN J16224316+1857356   2013 05 20.75  *  16 22 43.16 +18 57 35.6  16.5 U    2E   2N            9 9     

2013 05 20.75

We discovered this object on May 20.75 2013 UT in the Tsinghua University-NAOC Transient Survey (TNTS),and the magnitude of the object on unfiltered CCD was about 16.5 mag. We got additional image on May 22, with unfiltered magnitude of 16.7 mag. A spectrum taken on May 31.65 2013 UT shows it is a 91T-like type Ia supernova at about three weeks after the maximum light.

2013 06 05.331

This possible supernova in USNOA2 1050-07909606 was detected with 3 x 15 min images using a luminance filter Astrometry: RA 16 22 43.20 Dec +18 57 35.2 Photometry: Mag 17.07 +/- 0.25 (V for ref) These data were collected remotely by Joseph Brimacombe, Cairns, Australia. Link to image and further information: http://www.flickr.com/photos/43846774@N02/8967781750/