Circular No. 8669

Central Bureau for Astronomical Telegrams INTERNATIONAL ASTRONOMICAL UNION Mailstop 18, Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A. IAUSUBS@CFA.HARVARD.EDU or FAX 617-495-7231 (subscriptions) BMARSDEN@CFA.HARVARD.EDU or DGREEN@CFA.HARVARD.EDU (science) URL http://cfa-www.harvard.edu/iau/cbat.html Phone 617-495-7244/7440/7444 (for emergency use only)

SUPERNOVAE 2006aa, 2006ab, AND 2006ac

Three apparent supernovae have been discovered on unfiltered
KAIT CCD images via the Lick Observatory Supernova Survey (cf. IAUC
8667), as reported by E. Lee, M. Baek, and W. Li:

SN      2006 UT      R.A.  (2000.0)  Decl.    Mag.     Offset
2006aa  Feb. 8.48   11 53 19.89  +20 45 18.2  18.1  6".5 W, 12".2 N
2006ab  Feb. 9.18    2 48 53.92  +53 02 20.8  18.0  9".2 E, 6".2 N
2006ac  Feb. 9.47   12 41 44.86  +35 04 07.1  16.0  4".1 E, 21".7 N

Additional magnitudes of 2006aa in NGC 3947:  Jan. 23.49 UT, [19.0;
Feb. 9.50, 18.0.  Additional magnitudes of 2006ab in PGC 10652:
Jan. 7.20, [18.8; 24.16, [18.6; Feb. 10.18, 18.0.  Additional
magnitudes of 2006ac in NGC 4619, 2004 May 30.21, [19.0; 2006 Feb.
10.40, 15.9.

Host galaxy info: vel = 4953 km/s, 2.2 x 1.0, 15.84, Sb

SN type info: Ic

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