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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
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