Circular No. 8350

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 2004bz, 2004ca, 2004cb, 2004cc

Several apparent supernovae have been discovered on unfiltered
CCD images -- 2004cb by L. A. G. Monard, Pretoria, South Africa
(0.30-m reflector) and the rest by the LOSS team (via W. Li; KAIT
detector).
 
 SN       2004 UT        R.A.  (2000.0)  Decl.   Mag.     Offset
 2004bz   June  2.46   22 15 01.05  +15 24 16.6  18.3   32".2 W, 12".3 N
 2004ca   June  2.47   21 43 32.84  +43 41 33.0  18.2   24".8 W, 6".2 S
 2004cb   May  12.80   13 43 48.52  -29 44 59.2  15.8   10" W, 21" S
 2004cc   June 10.26   12 36 34.40  +11 14 32.8  17.5   1".9 E, 12".8 N
  
Additional magnitudes by the respective discoverers:  SN 2004bz in
MCG +02-56-25, 2003 Nov. 29.17 UT, [19.5; 2004 June 3.48, 18.2.  SN
2004ca in UGC 11799, May 25.45, [19.0; June 3.48, 18.0.  SN 2004cb
in an edge-on galaxy, Apr. 16.814, [18.5; June 7.758, 15.8 +/- 0.3.
SN 2004cc in NGC 4568, May 23.26, [19.0; June 11.23, 17.1.  SN
2004cb is also absent on the red Digitized Sky Survey field
(limiting mag 20).

Host galaxy info: vel = 2255 km/s, 4.6 x 2.0, 11.68, SA(rs)bc

SN type info: Ic

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