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iPTF Independent Discovery of an Apparent Nova in M31

ATel #5502; S. Tang (Caltech/UCSB), J. Johansson (OKC), D. Tal (WIS), Y. Cao (Caltech), and M. M. Kasliwal (Carnegie/Princeton) on behalf of the iPTF collaboration
on 23 Oct 2013; 18:38 UT
Credential Certification: Sumin Tang (tangsm@gmail.com)

Subjects: Optical, Nova, Transient

Referred to by ATel #: 5522, 5543, 5569

The intermediate Palomar Transient Factory (ATel #4807) report the independent discovery of an apparent nova in M31, iPTF13dum, at RA = 00:43:24.92, Dec = +41:21:22.3. This optical transient was first detected on UT Oct 22.1, at magnitudes R=19.1, and brightened to R=18.1 on UT Oct 23.4. Nothing was there at this location on UT Oct 16, and previous iPTF images (typically nightly observations), with typical limiting magnitudes R~21 mag. The object was first announced on CBAT (PNV J00432496+4121219; http://www.cbat.eps.harvard.edu/unconf/followups/J00432496+4121219.html ).