Electronic Telegram No. 2752

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

SUPERNOVA 2011dt IN UGC 9233

Further to CBET 2721, M. Kandrashoff, S. B. Cenko, W. Li, and A. V.
Filippenko report the LOSS discovery of an apparent supernova on unfiltered
KAIT images.  The object was designated PSN J14243612+3516387 when posted on
the Central Bureau's TOCP webpage and is here designated SN 2011dt based on
the spectroscopic confirmation reported below.

 SN       2011 UT       R.A. (2000.0) Decl.      Mag.      Offset
 2011dt   June 8.30   14 24 36.12  +35 16 38.7   18.6    14".3 E, 9".0 S

Additional CCD magnitudes (unfiltered unless noted otherwise) for 2011dt:
2010 May 30.30 UT, [19.6 (KAIT); 2011 June 9.26, 18.7 (KAIT); 10.168, 17.9
(Joseph Brimacombe, Cairns, Australia; position end figures 36s.14, 38".6);
13.40, 19.2 (P. Miller, P. Roche, A. Tripp, R. Miles, R. Holmes, S. Foglia,
and L. Buzzi, 2.0-m f/10 "Faulkes Telescope North" + Bessel R filter, at
Haleakala, Hawaii, in 1".2 seeing; position end figures 36s.16, 38".8);
25.958, 17.8 (Xavier Bros, Ager, Catalonia, Spain, 35-cm telescope + ST8XME
camera; position end figures 36s.03, 39".2).  Brimacombe's image is posted at
website URL http://www.flickr.com/photos/43846774@N02/5819582576/.  Miller et
al. posted their image at http://www.apan.it/pianetini/pub/psn/PSN-UGC9233.jpg.
Bros' image is posted at http://anysllum.com/SNUGC9233.jpg.

Host galaxy info: vel= 8501 km/s ; 1.35' x 0.47'; 14.6mag; S

SN type info: II

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