Astronomy and Astrophysics – Astrophysics
Scientific paper
2003-06-19
Astrophys.J.595:779-793,2003
Astronomy and Astrophysics
Astrophysics
40 pages, 12 figures
Scientific paper
10.1086/377448
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.
Arkharov Arkadi A.
Benetti Stefano
Cappellaro Enrico
Caratti A.
Carlo Elisa Di
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