Electronic Telegram No. 1748

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 2009by and 2009bz

Further to CBET 1736, A. Narla, X. Parisky, S. B. Cenko, W. Li, and
A. V. Filippenko, University of California, report the LOSS discovery of two
apparent supernovae on unfiltered KAIT images:

 SN       2009 UT        R.A. (2000.0) Decl.      Mag.      Offset
 2009by   Mar. 29.28   11 13 56.22  + 4 17 58.5   18.5    54".1 E, 31".5 N
 2009bz   Mar. 29.48   15 19 26.04  +11 03 30.1   16.8    15".3 E, 14".1 N

Additional KAIT magnitudes for 2009by in UGC 6260:  a co-addition from Jan.
4 to Mar. 19, [19.5; Mar. 30.31 UT, 18.5.  Additional KAIT magnitudes for
2009bz in UGC 9814:  Mar. 21.53, [19.1; 30.45, 16.9.

Host galaxy info: vel= 3231 km/s ; 1.1 x 0.5; 14.9g; Sdm

SN type info: IIP

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