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Hans Publishers, Astronomy & Astrophysics, (541), p. A129

DOI: 10.1051/0004-6361/201118498

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SN 2006oz: rise of a super-luminous supernova observed by the SDSS-II SN Survey

Journal article published in 2012 by G. Leloudas ORCID, E. Chatzopoulos, B. Dilday, J. Gorosabel, J. Vinko, A. Gallazzi, J. C. Wheeler, C. C. Thoene, B. Bassett, J. A. Fischer, J. A. Frieman, J. P. U. Fynbo, A. Goobar, M. Jelinek, D. Malesani and other authors.
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

We study SN 2006oz, a newly-recognized member of the class of H-poor, super-luminous supernovae. We present multi-color light curves from the SDSS-II SN Survey, that cover the rise time, as well as an optical spectrum that shows that the explosion occurred at z~0.376. We fitted black body functions to estimate the temperature and radius evolution of the photosphere and used the parametrized code SYNOW to model the spectrum. We constructed a bolometric light curve and compared it with explosion models. The very early light curves show a dip in the g- and r-bands and a possible initial cooling phase in the u-band before rising to maximum light. The bolometric light curve shows a precursor plateau with a duration of 6-10 days in the rest-frame. A lower limit of M_u