Circular No. 8813

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 2007V, 2007W, 2007X, 2007Y, 2007Z

Five apparent supernovae have been discovered on unfiltered
CCD frames and reported to the Central Bureau:  2007V by N.
Joubert and W. Li (LOSS/KAIT; cf. IAUC 8804); 2007Z by E. J.
Christensen (Mt. Lemmon Survey 1.5-m telescope); and the rest by L.
A. G. Monard (Pretoria, S. Africa, 0.35-m reflector).  Discovery
observations:

SN      2007 UT       R.A.  (2000.0)  Decl.    Mag.     Offset
2007V   Feb. 12.46   10 27 05.58  - 3 18 05.1  17.9  0".3 E, 1".8 S
2007W   Feb. 15.037  13 21 48.50  -13 12 56.9  17.1  8" W, 33" S
2007X   Feb. 15.068  14 30 14.50  -36 57 53.1  15.3  30" E, 2" S
2007Y   Feb. 15.774   3 02 35.92  -22 53 50.1  17.5  24" W, 110" S
2007Z   Feb. 17.221   5 15 42.68  +19 21 49.5  17.5  10".4 W, 2".7 N

Additional information is available on these objects on the
following Electronic Telegrams:  2007V, CBET 841 (type Ia,
discovered about 1 month past maximum); 2007W in NGC 5105, CBETs
844 and 846 (type II); 2007X in ESO 385-G32, CBETs 844 and 849
(young type II); 2007Y in NGC 1187, CBET 845; 2007Z in PGC 16993,
CBETs 847 and 849 (young type II).  Additional LOSS/KAIT magnitudes
for 2007Y from R. Mostardi and W. Li:  2006 Dec. 24.27 UT, [18.1;
2007 Jan. 19.23, [17.5; 26.21, [17.3; Feb. 15.15, 16.7 (independent
discovery).  Li provides position end figures 35s.94, 49".4 for
2007Y.

Host galaxy info: vel = 1390 km/s, 5.5 x 4.1, 11.67, SB(r)c

SN type info: Ibc

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