NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-05-20 T10:43:17 PDT
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For refcode 1999IAUC.7169A...1P:
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NED Abstract

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1999IAUC.7169A...1P Circular No. 7169 Central Bureau for Astronomical Telegrams INTERNATIONAL ASTRONOMICAL UNION SUPERNOVA 1999cd IN NGC 3646 M. Papenkova and W. D. Li, University of California at Berkeley, on behalf of the Lick Observatory Supernova Search (cf. IAUC 6627, 7126), report their discovery with the 0.8-m Katzman Automatic Imaging Telescope (KAIT) of an apparent supernova in NGC 3646. The new object was discovered on unfiltered images taken on May 14.224 and 14.279 UT (mag about 17.9) and was confirmed on images taken on May 15.175 (mag about 17.6). SN 1999cd is located at R.A. = 11h21m42s.89, Decl. = +20o09'24".1 (equinox 2000.0), which is about 3".7 west and 46".4 south of the galaxy nucleus. A KAIT image of the same field taken on May 9.2 shows nothing at the position of SN 1999cd (limiting mag 19.0). SN 1989N, a type-II supernova, also occurred in NGC 3646 (peak mag about 14). 1999 May 15 (7169) Daniel W. E. Green
Retrieve 2 NED objects in this reference.
Please click here for ADS abstract

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