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Discovery of a new nova candidate in M31

ATel #3905; Y. Cao (Caltech), P. Nugent (Lawrence Berkeley National Lab) and M. M. Kasliwal (Carnegie Institute for Science & Princeton University) on behalf of the Palomar Transient Factory collaboration
on 2 Feb 2012; 04:55 UT
Distributed as an Instant Email Notice Novae
Credential Certification: Yi Cao (smartcaoyi@gmail.com)

Subjects: Optical, Nova

Referred to by ATel #: 3912, 3920

We report discovery of a new nova candidate--PTF12ahb from PTF daily monitoring of M31. The candidate is located at RA(J2000)=00:41:46.70 DEC(J2000)=+40:15:06.1 with a R-band magnitude of 19.1 on Feb 01.117. Nothing was there in an image taken on Jan 28.142 with a three-sigma limiting magnitude of 20.6. All photometric measurements are calibrated to USNO-B1.0 catalog.