[IAUC] CBET 1000: 20070714 : SUPERNOVA 2007fp IN NGC 3340
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Sab Jul 14 00:30:20 ART 2007
Electronic Telegram No. 1000
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 2007fp IN NGC 3340
J. M. Silverman, M. Ganeshalingam, F. J. D. Serduke, and A. V.
Filippenko, University of California, Berkeley, report that inspection
of CCD spectra (range 330-1000 nm), obtained on June 9 UT with the 3-m
Shane reflector (+ Kast) at Lick Observatory, shows that the possible
supernova reported on CBET 976 is in fact a type-II supernova. The
relatively-low-quality spectrum shows H-alpha having a P-Cyg profile.
Removing a host-galaxy recession velocity of 5495 km/s, calculated from
narrow emission lines, the minimum of the H-alpha absorption is
blueshifted by about 4300 km/s.
NOTE: These 'Central Bureau Electronic Telegrams' are sometimes
superseded by text appearing later in the printed IAU Circulars.
(C) Copyright 2007 CBAT
2007 July 14 (CBET 1000) Daniel W. E. Green
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