paper

Optical and near-infrared photometry of the Type Ia Supernova 2000E in NGC 6951

arXiv:astro-ph/0306391 · doi:10.1086/377448

Abstract

We present optical and near-infrared photometry, along with optical spectra, of the Type Ia supernova SN 2000E in the spiral galaxy NGC 6951. It was discovered by the staff of the Teramo Observatory during the monitoring of the SN 1999el. The observations span a time interval of 234 days in the optical and 134 days in the near-infrared (starting 16 days and 7 days before maximum B light, respectively). Optical spectra are available from 6 days before maximum B light to 122 days after it. SN 2000E exhibits a Dm15(B) = 0.94, thus being classifiable as a slow-declining Type Ia SN and showing the distinctive features of such a class of objects. Spectroscopically, SN 2000E appears as a normal Type Ia SN, like SN 1990N. We could constrain reddening [E(B-V) ~0.5 mag] and distance (mu0 ~32.14 mag) using a number of different methods. The bolometric luminosity curve of SN 2000E, allows a determination of the Ni56 mass amounting to 0.9Msun.

arXiv comment40 pages, 12 figures

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