Electronic Telegram No. 3302

Central Bureau for Astronomical Telegrams INTERNATIONAL ASTRONOMICAL UNION CBAT Director: Daniel W. E. Green; Hoffman Lab 209; Harvard University; 20 Oxford St.; Cambridge, MA 02138; U.S.A. e-mail: cbatiau@eps.harvard.edu (alternate cbat@iau.org) URL http://www.cbat.eps.harvard.edu/index.html Prepared using the Tamkin Foundation Computer Network

SUPERNOVAE 2012gl IN NGC 3153

     Further to CBET 3199, J. Gross, S. B. Cenko, W. Li, and A. V. Filippenko
report the LOSS discovery of an apparent supernova on unfiltered KAIT images:

 SN       2012 UT        R.A. (2000.0) Decl.      Mag.      Offset
 2012gl   Oct. 29.53   10 12 50.32  +12 40 56.7   16.1      4".4 W, 57".7 N

The variable was designated PSN J10125032+1240567 when it was posted at the
Central Bureau's TOCP webpage and is here designated SN 2012gl based on the
spectroscopic confirmation reported below.  Additional magnitudes for 2012gl:
May 20.21 UT, [18.0 (KAIT); Oct. 30.483, 17.0 (L. Elenin, Lyubertsy, Russia;
and I. Molotov, Moscow, Russia; three images taken remotely at the ISON-NM
Observatory near Mayhill, NM, USA, with a 0.45-m f/2.8 telescope; position
end figures 50s.32 +/- 0".14, 56".5 +/- 0".11; UCAC-4 reference stars;
limiting mag about 18.9; image posted at the following website URL:
http://spaceobs.org/images/TOCP/PSNJ10125032+1240567-20121030.png); Nov.
8.122, 17.3 (Federica Luppi and Luca Buzzi, Varese, Italy; position end
figures 50s.30, 56".7; image posted at the following website URL:
http://www.astrogeo.va.it/pub/TOCP/PSN_N3153.jpg).

Host galaxy info: vel= 2808 km/s ; 2.1" x 0.9"; 13.35; Scd

SN type info: Ia

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