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Optical Nova Candidate in M31

ATEL # 1206; D. Hatzidimitriou (Department of Physics, University of Crete, UoC), V. Burwitz (Max-Planck-Institut fuer extraterrestrische Physik, MPE), W. Pietsch (MPE), A.Strigachev (UoC), P. Reig (UoC), I. Papamastorakis (UoC)
on 4 Sep 2007; 21:00 UT
Password Certification: Pablo Reig (pablo.reig@uv.es)

Subjects: Optical, Nova

We report the discovery of a possible nova in M31 on four consecutive dithered stacked R filter CCD images, obtained on 2007 September 02.09, with the 1.3m Ritchey Chretien f/7.5 telescope at Skinakas Observatory, Crete, Greece, using an Andor DZ436-BV CCD Camera (with a Marconi 2k x 2k chip with 13.5Ám sq. pixels). The R magnitude of the object was 18.1. On 2007 September 03.09, the object was again detected with the same instrument setup, with an R magnitude of 18.2. A stacked image from 2007 August 16 shows no object at the position of the nova candidate brighter than the limiting R magnitude of ~20.5. All magnitudes given are from a photometric solution using R magnitudes of the Massey M31 catalog. The position obtained for the nova candidate is RA(2000) = 00h 42m 29.397s, Dec(2000) = +41░ 18' 24.84" with an accuracy of 0.1".


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