Electronic Telegram No. 2119

Central Bureau for Astronomical Telegrams INTERNATIONAL ASTRONOMICAL UNION M.S. 18, Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A. IAUSUBS@CFA.HARVARD.EDU or FAX 617-495-7231 (subscriptions) CBAT@CFA.HARVARD.EDU (science) URL http://cfa-www.harvard.edu/iau/cbat.html

SUPERNOVAE 2010C AND 2010D

Further to CBET 2111, W. Li, S. B. Cenko, and A. V. Filippenko report
the LOSS discovery of two apparent supernovae on unfiltered KAIT images:

 SN      2010 UT        R.A. (2000.0) Decl.      Mag.      Offset
 2010C   Jan. 10.49   10 51 29.87  + 9 16 33.1   18.8    5".3 E, 12".9 S
 2010D   Jan. 10.50   10 31 44.28  +46 40 05.0   17.0    7".7 W, 12".8 S

Additional KAIT magnitudes for 2010C in NGC 3428:  a combined image from
2009 Jan.-Mar., [20.5; Dec. 18.52 UT, 19.0; 24.51, 18.5.  Additional KAIT
magnitudes for 2010D in UGC 5714:  2009 Dec. 20.53, [19.3; 2010 Jan. 11.34,
17.2.

Host galaxy info: vel= 8022 km/s; 1.5 x 0.7; 13.95; SAB(s)b

SN type info: LBV

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