2011CBET.2824....1Z

W. Zheng, University of Michigan; J. Vinko, University of Szeged; R. Quimby, IPMU University of Tokyo; N. Whallon, A. Romadan, B. Sandler, and C. Akerlof, University of Michigan; F. Yuan, Australian National University; J. C. Wheeler and E. Chatzopoulos, University of Texas; and G. H. Marion, Harvard-Smithsonian Center for Astrophysics, on behalf of the ROTSE collaboration, report the discovery of a new transient (mag about 18.8) in unfiltered images taken on Sept. 1.30 UT with the 0.45-m ROTSE-IIIb telescope at McDonald Observatory. The new object, which was observed again on Sept. 7.23 at mag about 18.2 and on Sept. 21.22 at mag about 17.8, is located at R.A. = 1:29:45.8, Decl. = +18:53:07.2 (equinox 2000.0; uncertainty about 1"), which is 1".1 west and 8".8 north of the center of the host galaxy SDSS J012945.87+185258.3; a finding chart for the object can be found at website URL http://www.rotse.net/rsvp/j012945.8+185307/ROTSE3_J012945.8+185307.jpg.