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M31 Nova Candidate ROTSE3 J004547.7+420204

ATEL # 1311; F. Yuan (U. Mich.), R. Quimby (Caltech), C. Akerlof, J. Aretakis(U. Mich.), E. Rykoff (UCSB) and J. C. Wheeler (U. Texas) on behalf of the ROTSE collaboration
on 28 Nov 2007; 20:23 UT
Password Certification: Fang Yuan (

Subjects: Optical, Nova, Transients

We report the discovery of an optical transient in M31 from unfiltered CCD images taken by the 0.45m ROTSE-IIIb telescope at the McDonald Observatory, Texas. The nova candidate, located at RA: 00:45:47.74 Dec: +42:02:03.5 (J2000), which is 45'54.1" north and 34'28.0" east (~13.1kpc) from the core of M31, is observed at ~16.4 mag on Nov 28.08 UT and Nov 28.13 UT. It was not detected to a limiting mag of ~16.2 on Nov 27.07 UT. A finding chart of the transient can be found at:

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