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IAUC 7836: 2002bf; 2002bg; 2002ap; 2002ao

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IAUC number

                                                  Circular No. 7836
Central Bureau for Astronomical Telegrams
Mailstop 18, Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A.
IAUSUBS@CFA.HARVARD.EDU or FAX 617-495-7231 (subscriptions)
URL http://cfa-www.harvard.edu/iau/cbat.html  ISSN 0081-0304
Phone 617-495-7440/7244/7444 (for emergency use only)

SUPERNOVA 2002bf IN CGCG 266-031
     P. Martin and W. D. Li, University of California at Berkeley,
report the LOTOSS (cf. IAUC 7514) discovery of an apparent
supernova on unfiltered CCD images taken with the 0.8-m Katzman
Automatic Imaging Telescope (KAIT) on Feb. 22.3 (mag about 17.0)
and 24.3 UT (mag about 16.6).  SN 2002bf is located at R.A. =
10h15m42s.31, Decl. = +55o40'06".7 (equinox 2000.0), which is 0".6
east and 4".0 north of the nucleus of CGCG 266-031.  A KAIT image
taken on Feb. 3.3 showed nothing at this position (limiting mag
about 19.0).

SUPERNOVA 2002bg IN MCG +02-38-31
     T. Puckett, Mountain Town, GA; and J. Newton, Chiefland, FL,
report the discovery of an apparent supernova (mag 16.9) on an
unfiltered CCD frame (limiting mag 19.2) taken with the Puckett
Observatory 0.35-m automated patrol telescope on Feb. 23.39 UT.  SN
2002bg is located at R.A. = 14h59m39s.23, Decl. = +13o12'44".5
(equinox 2000.0), which is 13".9 east and 9".9 south of the center
of MCG +02-38-31.  The new object was confirmed on CCD frames taken
on Feb. 25.22 by Puckett with a 0.60-m reflector.  The candidate is
not present on Palomar Sky Survey images taken on 1993 Mar. 23,
1991 May 16 (limiting mag about 21.0), and 1954 June 3 (limiting
mag about 19.7).

     H. Yamaoka, Kyushu University, reports that he measured red
mag 15.2 from an unfiltered prediscovery image of SN 2002ap
obtained by W. Rogers (Endicott, NY) on Jan. 29.04 UT.

SUPERNOVA 2002ao IN UGC 9299
     Yamaoka also notes that SN 2002ao has faded unusually rapidly,
resembling that of the type-Ic SN 1999cq (cf. IAUC 7825).  Selected
magnitudes (unfiltered CCD unless otherwise noted) reported to the
VSNET collabolation:  Jan. 28.175 UT, 14.8 (J.-M. Llapasset,
Perpignan, France); 29.183, 14.8 (Llapasset); 31.7, about 15.2 (K.
Kinugasa and H. Kawakita, Gunma Astronomical Observatory; measured
by Yamaoka); Feb. 13.207, 16.3 (Llapasset); 13.476, 16.4 (D. West,
Mulvane, KS); 13.832, R = 16.58 (J. Watanabe, National Astronomical
Observatory of Japan, Kiso 1.05-m Schmidt telescope + CCD; measured
by Yamaoka); 13.847, R_j = 16.36 (H. Tsuda, Hokkaido, Japan;
measured by Y. Sano, Nayoro, Japan).

                      (C) Copyright 2002 CBAT
2002 February 25               (7836)            Daniel W. E. Green

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