[IAUC] CBET 2998: 20120126 : SUPERNOVA 2012R IN ESO 385-12 = PSN J14211421-3613107

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                                                  Electronic Telegram No. 2998
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 en eps.harvard.edu (alternate cbat en iau.org)
URL http://www.cbat.eps.harvard.edu/index.html
Prepared using the Tamkin Foundation Computer Network


SUPERNOVA 2012R IN ESO 385-12 = PSN J14211421-3613107
     G. Pignata, M. Cifuentes, Y. Apostolovski, and M. Vidal, Universidad
Andres Bello; J. Maza, M. Hamuy, R. Antezana, L. Gonzalez, R. Cartier, F.
Forster, S. Silva, F. Carrasco, P. Sanchez, C. Hervias, and R. Ramirez,
Universidad de Chile; C. Farias and F. Aros, Pontificia Universidad Catolica
de Chile; B. Conuel, Wesleyan University; G. Folatelli, IPMU, University of
Tokyo; and D. Reichart, K. Ivarsen, J. Haislip, A. Crain, D. Foster, M.
Nysewander, and A. LaCluyze, University of North Carolina at Chapel Hill, on
behalf of the CHASE project (which is part of the Millennium Center for
Supernova Science collaboration), report the discovery of an apparent
supernova (mag approximately 17.2) on an unfiltered image taken on Jan. 5.32
UT with the 0.41-m 'PROMPT 4' telescope located at Cerro Tololo.  The new
object is located at R.A. = 14h21m14s.21 +/- 0".2, Decl. = -36o13'10".7 +/-
0".2 (equinox 2000.0), which is about 16".4 west and 25".0 north of the
center of the galaxy ESO 385-12.  The variable was designated PSN
J14211421-3613107 when it was posted at the Central Bureau's TOCP webpage
and is here designated SN 2012R based on the spectroscopic confirmation
reported below.  Additional CCD magnitudes for 2012R (unfiltered unless noted
otherwise):  2010 Jan. 22.34-2011 June 11.08, [20.0 (CHASE; stack of eleven
80-s images); 2011 June 11.08, [18.5 (CHASE); 2012 Jan. 7.30, 17.1 (CHASE);
11.753, R = 18.2 (Joseph Brimacombe, Cairns, Australia; 44-cm telescope +
U16 camera + red filter; position end figures 14s.24, 10".6).  An image taken
by Brimacombe on 2012 Jan. 8.769 with a 41-cm RCOS telescope (+ STL6K camera
+ infrared filter; range > 700 nm) yields position end figures 14s.25, 10".8;
his image is posted at http://www.flickr.com/photos/43846774@N02/6663127901/.

     N. Morrell, Las Campanas Observatory, on behalf of the Carnegie Supernova
Project, reports that optical spectroscopy (range 430-1000 nm), obtained on
2012 Jan. 16 UT with the 6.5-m Magellan I (Baade) telescope (+ IMACS), shows
that PSN J14211421-3613107 = SN 2012R is an evolved type-II supernova.  SNID
(Blondin and Tonry, 2007, Ap.J. 666, 1024) gives good matches with a number of
type-II-P events between 1 and 2 months after maximum.


NOTE: These 'Central Bureau Electronic Telegrams' are sometimes
      superseded by text appearing later in the printed IAU Circulars.

                         (C) Copyright 2012 CBAT
2012 January 26                  (CBET 2998)              Daniel W. E. Green