Electronic Telegram No. 1685

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 2009Z AND 2009aa

Further to CBET 1680, C. Griffith, 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
2009Z    Feb. 2.53   14 01 53.61  - 1 20 30.2   18.1    2".7 W, 4".1 N
2009aa   Feb. 3.40   11 23 42.28  -22 16 14.5   17.6    19".2 E, 0".5 S

Additional KAIT magnitudes for 2009Z:  a combined image from 2008 June to
July, [19.4; 2009 Feb. 4.47, 17.8.  Additional KAIT magnitudes for 2009aa in
ESO 570-G20:  a combined image from 2008 Dec. to 2009 Jan., [18.7; 2009 Feb.
4.39, 17.4.

Host galaxy info: vel= 8187 km/s ; 1.0 x 0.6; 14.90; Sbc

SN type info: Ia

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