NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-04-25 T19:11:11 PDT
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For refcode 2005IAUC.8581B...1S:
Retrieve 2 NED objects in this reference.
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NED Abstract

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2005IAUC.8581B...1S Circular No. 8581 Central Bureau for Astronomical Telegrams INTERNATIONAL ASTRONOMICAL UNION SUPERNOVA 2005df IN NGC 1559 M. Salvo and B. Schmidt, Australian National University (ANU); and M. Owers, University of New South Wales, report that preliminary reduction of a spectrum (range 390-700 nm), obtained on Aug. 5.83 UT with the ANU 2.3-m telescope (+ Double-Beam Spectrograph), shows SN 2005df (IAUC 8580) to be a somewhat-unusual young type-Ia supernova. Cross-correlation with a library of template spectra suggests a similarity between this object and SN 1986G when a few days before maximum light (Phillips et al. 1987, PASP 99, 592). Adopting the NED recession velocity for the host galaxy (from Koribalski et al. 2004, A.J. 128, 16) the expansion velocity of the Si-II 635.5-nm line is around 15300 km/s. (C) Copyright 2005 CBAT 2005 August 6 (8581) Daniel W. E. Green
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