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Spectroscopic and Photometric Observations of SN IIn 1995N and Energy Estimates
 

Summary: Spectroscopic and Photometric Observations of SN IIn
1995N and Energy Estimates
A. Pastorello
INAF ­ Osservatorio Astrofisico di Arcetri, Largo Enrico Fermi 5,
I­50125 Firenze, Italy
I. Aretxaga
Instituto Nacional de Astrof’sica, ’
Optica y Electr’onica, Aptdo Postal 51
y 216, Puebla, Mexico
L. Zampieri, P. Mucciarelli, S. Benetti
INAF ­ Osservatorio Astronomico di Padova, Vicolo dell' Osservatorio
5, I­25122 Padova, Italy
Abstract. We present the results of a long--term program of monitoring of
the famous SN 1995N, observed both in photometry (UBVRIJHK bands) and
optical spectroscopy. The observations span a period of about 9 years. These
new data, together with others available in literature, extend from the X--ray
wavelengths to the radio, and allow to estimate the total energy radiated by the
supernova over a decade after its explosion.
1. Introduction
Type IIn Supernovae (SNe IIn) form an interesting group of objects whose ob­

  

Source: Aretxaga, Itziar - Instituto Nacional de Astrofísica Óptica y Electrónica

 

Collections: Physics