Central Bureau for Astronomical Telegrams

CBAT "Transient Object Followup Reports"

PSN J12533306+2742517

PSN J12533306+2742517   2013 03 03.75  *  12 53 33.06 +27 42 51.7  19.2 U    4E   8S            9 9

2013 03 03.75

We discovered this object on Mar.03.75 2013 UT in the Tsinghua University-NAOC Transient Survey (TNTS), and the magnitude of the object on unfiltered CCD was about 19.2 mag.

2013 03 11.389

This possible supernova in PGC 1816093 was detected with 3 x 15 min images using a luminance filter Astrometry: RA 12 53 33.14 Dec +27 42 50.2 Photometry: 19.52 +/- 0.14 L (V as ref) These data were collected remotely by Joseph Brimacombe, Cairns, Australia. Link to image and further information: http://www.flickr.com/photos/43846774@N02/8549624725/

2013 03 05

Confirmed as a Type Ia, see ATEL 4860