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                                                  Circular No. 8018
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 2002hh IN NGC 6946
     C. J. Stockdale, Naval Research Laboratory (NRL) and National
Research Council; R. A. Sramek and M. Rupen, National Radio
Astronomy Observatory (NRAO); K. W. Weiler, NRL; S. D. Van Dyk,
Infrared Processing and Analysis Center, California Institute of
Technology; N. Panagia, European Space Agency and Space Telescope
Science Institute; D. Pooley and W. Lewin, Massachusetts Institute
of Technology; and S. Myers and G. Taylor, NRAO, report the
detection of radio emission from the type-II supernova 2002hh (IAUC
8005, 8007) with the Very Large Array in 'C' configuration:
"Radio-flux densities on Nov. 15.25 UT of 0.60 +/- 0.10 mJy at
22.485 GHz (wavelength 1.3 cm) and 0.81 +/- 0.08 mJy at 8.435 GHz
(wavelength 3.6 cm) were observed at R.A. = 20h34m44s.25, Decl. =
+60o07'19".4 (equinox 2000.0; +/- 0".2 in each coordinate).  This
is in close agreement with the reported optical position (end
figures 44s.29, 19".0; IAUC 8005).  On Nov. 8.0, no radio emission
was detected at that position, with 3-sigma upper limits of 0.44
mJy at 22.485 GHz and 0.19 mJy at 8.435.  Although few conclusions
can be drawn from such sparse data, the apparently optically thin
character of the radio emission, if confirmed, may indicate that
the circumstellar interaction is weak and is evolving unusually
rapidly, as was seen for, e.g., SN 1981K.  Radio observations are

     Visual reports indicate peaks in Leonid activity around Nov.
19.174 (primary peak) and 19.45 UT (secondary), agreeing with
predictions by P. Jenniskens (2001, WGN 29, 165) for Nov. 19.172
(for material from the return of comet 55P in 1767) and 19.426
(1866 return), and by McNaught and Asher (2002, WGN 30}, 132) for
Nov. 19.164 and 19.440.  Visual rates of up to 10-25 Leonids/min
around Nov. 19.14-19.18 have been received from A. Kereszturi, K.
Sarneczky, I. Tepliczky, and colleagues in Hungary; A. Baransky at
Bucha, Ukraine; J. D. Shanklin at St. Maximin, Provence, France;
and K. Hornoch at Lelekovice, Czech Republic.  A. Hale, Cloudcroft,
NM, reports a peak rate of approximately 150/hr during Nov.

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                      (C) Copyright 2002 CBAT
2002 November 20               (8018)            Daniel W. E. Green

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