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High-velocity features in the spectra of the Type Ia supernova SN 1999ee: a property of the explosion or evidence of circumstellar interaction?
Authors:P A Mazzali  S Benetti  M Stehle  D Branch  J Deng  K Maeda  K Nomoto  M Hamuy
Institution:INAF-Osservatorio Astronomico, Via Tiepolo, 11, I-34131 Trieste, Italy;Department of Astronomy, University of Tokyo, Bunkyo-ku, Tokyo 113-0033, Japan;Research Centre for the Early Universe, University of Tokyo, Bunkyo-ku, Tokyo 113-0033, Japan;Max-Planck Institut für Astrophysik, Karl-Schwarzschildstr. 1, D-85748 Garching, Germany;INAF-Osservatorio Astronomico, vicolo dell'Osservatorio, 5, I-35122 Padova, Italy;Universitäts-Sternwarte München, Scheinerstr. 1, D-81679 München, Germany;Astronomy Department, Univ. of Oklahoma, Norman, OK, USA;Observatories of the Carnegie Institution of Washington, 813 Santa Barbara Street, Pasadena, CA 91101-1292, USA
Abstract:
Keywords:supernovae: general  supernovae: individual: SN 1999ee
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