NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-04-22 T19:09:36 PDT
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For refcode 2011CBET.2929A...1C:
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NED Abstract

Copyright by Central Bureau for Astronomical Telegrams. 2011CBET.2929A...1C Electronic Telegram No. 2929 Central Bureau for Astronomical Telegrams INTERNATIONAL ASTRONOMICAL UNION SUPERNOVA 2011in IN NGC 2966 = PSN J09421136+0440231 Further to CBET 2837, S. B. Cenko, W. Li, and A. V. Filippenko report the LOSS discovery of an apparent supernova on unfiltered KAIT images: SN 2011 UT R.A. (2000.0) Decl. Mag. Offset 2011in Nov. 10.53 9 42 11.36 + 4 40 23.1 16.1 1".8 W, 0".6 S The variable was designated PSN J09421136+0440231 when it was posted on the Central Bureau's TOCP webpage and is here designated SN 2011in based on the spectroscopic confirmation reported below. Nothing was visible at the position of 2011in on a KAIT image from May 3.21 UT (limiting mag 18.5). J. M. Silverman, K. I. Clubb, and A. V. Filippenko, University of California, Berkeley, report that inspection of a CCD spectrum (range 340-1000 nm), obtained on Nov. 26 UT with the Shane 3-m reflector (+ Kast spectrograph) at Lick Observatory, shows that PSN J09421136+0440231 = SN 2011in is a type-II supernova. After removal of the host-galaxy recession velocity of 2200 km/s, determined from narrow emission features, the absorption minimum of the H-alpha line is found to be blueshifted by about 5400 km/s. NOTE: These 'Central Bureau Electronic Telegrams' are sometimes superseded by text appearing later in the printed IAU Circulars. (C) Copyright 2011 CBAT 2011 December 2 (CBET 2929) Daniel W. E. Green
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