Electronic Telegram No. 112
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)
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SUPERNOVA 2005am IN NGC 2811
     M. Modjaz, R. Kirshner, and P. Challis, Harvard-Smithsonian Center
for Astrophysics, report that a spectrum (range 350-740 nm) of SN 2005am
(cf. IAUC 8490), obtained by H. Hao on Mar. 3.29 UT with the F. L. Whipple
Observatory 1.5-m telescope (+ FAST), shows it to be a type-Ia supernova,
one or two weeks before maximum.  The supernova expansion velocity, derived
from the minimum of Si II (rest 635.5 nm) and adopting the NED recession
velocity of 2368 km/s for the host galaxy, is about 12700 km/s.


NOTE: These 'Central Bureau Electronic Telegrams' are intended to
      be preliminary announcements of items that later appear in the
      formal IAU Circulars.  Citations should normally be made to IAUCs
      rather than to CBETs.

                         (C) Copyright 2005 CBAT
2005 March 3                     (CBET 112)               Daniel W. E. Green