SN 2004cs

Circular No. 8361

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 2004cs, 2004ct, AND 2004cu

     Three apparent supernovae have been discovered on unfiltered CCD
     images:  SNe 2004cs and 2004cu by LOSS/KAIT (via W. Li and D.
     Singer; cf. IAUC 8357), and SN 2004ct by T. Boles (cf. IAUC 8343).
      
      SN       2004 UT        R.A.  (2000.0)  Decl.   Mag.     Offset
      2004cs   June 23.42   17 50 14.38  +14 16 59.5  18.0   10".4 E, 15".2 S
      2004ct   June 22.01   15 43 45.75  +28 24 59.5  17.5   4".1 W, 4".4 N
      2004cu   June 24.28   14 18 29.82  +12 53 03.0  18.8   27".1 E, 3".5 N
       
     Additional approximate magnitudes, from images by the respective
     discoverers unless otherwise noted:  SN 2004cs in UGC 11001, June
     21.36 UT, [19.0; 24.20, 17.8.  SN 2004ct in MCG +05-37-17, Mar. 20,
     [19.5; May 16, [19.5; 24.201, 17.5 (KAIT).  SN 2004cu in NGC 5550,
     May 17.36, [20.0; June 12.33, 19.3 (marginal detection).  Boles
     adds that SN 2004ct is not present on Digitized Sky Survey red
     (1989) or blue (1993) plates.

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Host galaxy info: vel = 4215 km/s, 1.3 x 0.5, 14.39, Sdm

SN type info: unknown

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