NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-06-17 T22:35:51 PDT
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For refcode 2002IAUC.7874C...1M:
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2002IAUC.7874C...1M Circular No. 7874 Central Bureau for Astronomical Telegrams INTERNATIONAL ASTRONOMICAL UNION SUPERNOVA 2002bz IN MCG +05-34-33 T. Matheson, S. Jha, P. Challis and R. Kirshner, Harvard-Smithsonian Center for Astrophysics, report that a spectrum (range 370-750 nm) of SN 2002bz (cf. IAUC 7866), obtained by P. Berlind on Apr. 5.36 UT with the F. L. Whipple Observatory 1.5-m telescope (+ FAST spectrograph), shows it to be a type Ia supernova near maximum. Adopting the NASA/IPAC Extragalactic Database recession velocity of 11~090 km/s for the host galaxy, the supernova expansion velocity is about 10~900 km/s for Si II (rest 635.5 nm) and 14~000 km/s for Ca II (rest 395.1 nm). The spectral-feature supernova age o(Riess et al. 1997, A.J. 114, 722) is 3 +/- 2 days before maximum light. 2002 April 12 (7874) Brian G. Marsden
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