Electronic Telegram No. 1947

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 2009iz IN UGC 2175

Further to CBET 1943, W. Li, S. B. Cenko, and A. V. Filippenko, University
of California, report the LOSS discovery of an apparent supernova on
unfiltered KAIT images:

 SN       2009 UT        R.A. (2000.0) Decl.      Mag.      Offset
 2009iz   Sept. 19.52   2 42 15.41  +42 23 50.1   18.2    12".3 W, 14".5 N

Additional KAIT magnitude for 2009iz in UGC 2175:  Jan. 2.25 UT, [19.6;
Sept. 7.45 UT, [18.2; 20.40 UT, 18.3.
J. M. Silverman and A. V. Filippenko, University of California, Berkeley;
and R. J. Foley, Center for Astrophysics, report that inspection of a CCD
spectrogram (range 320-1020 nm), obtained on Sept. 22 UT with the Keck I 10-m
telescope (+ LRIS), shows that the object is a type-Ib or type-Ic supernova;
weak He I lines appear to be present, but should strengthen with time if the
object is a normal type-Ib event.  The redshift of the host galaxy, measured
from narrow emission lines, is 0.014.

Host galaxy info: vel = 4265 km/s; 1.1 x 1.0; 15.1; SAB(s)bc

SN type info: Ib/c

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