[IAUC] CBET 1695: 20090216 : SUPERNOVA 2009ad IN UGC 3236

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                                                  Electronic Telegram No. 1695
Central Bureau for Astronomical Telegrams
INTERNATIONAL ASTRONOMICAL UNION
M.S. 18, Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A.
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SUPERNOVA 2009ad IN UGC 3236
     M. Phillips and N. Morrell, on behalf of the Carnegie Supernova Project,
report a spectrum (range 440-1000 nm) of 2009ad (cf. CBET 1694) obtained on
Feb. 15.08 UT with the 6.5-m Magellan I Baade telescope (+ IMACS) at Las
Campanas Observatory, which they classify as a young, type-Ia supernova.
Comparison with a library of supernova spectra via the Supernova Identification
tool (SNID; Blondin and Tonry 2007, Ap.J. 666, 1024) suggests that 2009ad is
around 10 days before maximum light.  Assuming for the host galaxy (UGC 3236)
the NED recession velocity of 8514 km/s (Haynes et al. 1997, A.J. 113, 1197),
they find the minimum of the 635.5-nm Si II absorption to be blueshifted by
approximately 10800 km/s.


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                         (C) Copyright 2009 CBAT
2009 February 16                 (CBET 1695)              Daniel W. E. Green