Electronic Telegram No. 378
Central Bureau for Astronomical Telegrams
INTERNATIONAL ASTRONOMICAL UNION
M.S. 18, Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A.
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CBAT@CFA.HARVARD.EDU (science)
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SUPERNOVA 2006O IN UGC 633
     S. Blondin, M. Modjaz, R. Kirshner, and P. Challis,
Harvard-Smithsonian Center for Astrophysics, report that a
spectrogram (range 350-740 nm) of SN 2006O (cf. IAUC 8662),
obtained on Jan. 25.13 UT by M. Calkins with the F. L. Whipple
Observatory 1.5-m telescope (+ FAST), shows it to be most
probably a young type-II supernova.  The spectrum consists of a
featureless and blue continuum and is similar to an early
spectrum of SN 1993J (Matheson et al. 2000, A.J. 120, 1487).
Superposed on the continuum are narrow emission lines from the
host galaxy (UGC 633), corresponding to the following (given
by increasing wavelength):  [O II], H_beta, [O III] doublet,
H_alpha, [N II], [S II] doublet.  The recession velocity of
UGC 633 at the supernova position (computed using these lines)
is 5726 +/- 21 km/s, or approximately 150 km/s greater than the
NED value (5573 +/- 6 km/s; from Huchra et al. 1999, Ap.J.
Suppl. 121, 287) for the galaxy nucleus.


NOTE: These 'Central Bureau Electronic Telegrams' are sometimes
      superseded by text appearing later in the printed IAU Circulars.

                         (C) Copyright 2006 CBAT
2006 January 25                  (CBET 378)               Daniel W. E. Green