[IAUC] CBET 2996: 20120126 : SUPERNOVA 2011ka IN ESO 119-46 = PSN J05142826-6210190

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                                                  Electronic Telegram No. 2996
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 2011ka IN ESO 119-46 = PSN J05142826-6210190
     L. A. G. Monard, Calitzdorp, Western Cape, South Africa, reports his
discovery of an apparent supernova (mag 16.1) on several unfiltered CCD images
taken on 2011 Dec. 29.889 UT.  The new object is located at R.A. = 5h14m28s.26,
Decl. = -62d10'19".0 (equinox 2000.0), which is 10" west and 5" south of the
core of the galaxy ESO 119-46.  Nothing is visible at this position on
Digitized Sky Survey images (limiting red mag 20.5).  The variable was
designated PSN J05142826-6210190 when it was posted at the Central Bureau's
TOCP webpage and is here designated SN 2011ka based on the spectroscopic
confirmation reported below.  Additional CCD magnitudes for 2011ka (unfiltered
unless noted otherwise):  2011 Dec. 16.916, [20.0 (Monard); Dec. 30.978, 15.9
(Monard); 31.815, 15.9 (Monard); 31.454, 14.6 (Joseph Brimacombe, Cairns,
Australia; 41-cm RCOS telescope + STL6K camera + infrared filter; range > 700
nm; position end figures 28s.23, 19".6; image posted at the following website
URL:  http://www.flickr.com/photos/43846774@N02/6609855553/); 2012 Jan. 1.816,
15.9 (Monard); 2.875, 15.8 (Monard); 5.477, 14.5 (Brimacombe; image posted at
URL http://www.flickr.com/photos/43846774@N02/6707573565/); 11.497, 14.6
(Brimacombe; position end figures 28s.20, 19".3; image posted at website URL
http://www.flickr.com/photos/43846774@N02/6707573565/).

     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 J05142826-6210190 = SN 2011ka is a type-Ia supernova roughly 10 days
after maximum brightness.  SNID provides excellent matches with a number of
normal type-I supernovae, the best among them being with 1998bu at 10.2 days
after maximum light.  Assuming for ESO 119-46 the NED recession velocity of
5183 km/s (Couto da Silva and de Souza 2006, A.Ap. 457, 425), the minimum of
the 635.5-nm Si II absorption appears blueshifted by approximately 10800 km/s.


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                         (C) Copyright 2012 CBAT
2012 January 26                  (CBET 2996)              Daniel W. E. Green