Astronomy and Astrophysics – Astrophysics
Scientific paper
Feb 1980
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980a%26a....82..389p&link_type=abstract
Astronomy and Astrophysics, vol. 82, no. 3, Feb. 1980, p. 389-391.
Astronomy and Astrophysics
Astrophysics
11
Classifications, Interstellar Extinction, Optical Measurement, Stellar Magnitude, Supernova Remnants, Light (Visible Radiation), Stellar Evolution, Stellar Structure, Supernovae
Scientific paper
The problem of establishing the optical type of the supernova event (SN 1181) which has led to the creation of the plerionic supernova remnant 3 C 58 has been considered. First, the optical extinction to 3 C 58 has been estimated. It is found that A/V/(3C58) equals 3.1 m plus or minus 0.7 m. Then, on the basis of the photometric information contained in ancient oriental annals the absolute magnitude at maximum light is determined to be about 17.8 m. By comparing this value with the typical magnitude values for supernovae of various classes SN 1181 is identified as a Type II event. Combined with the available evidence for other young SNR's this result strengthens the early suggestion (Weiler and Panagia, 1978) of a relation between the type of the supernova event and the type of the remnant formed, i.e. Type I shell, Type II - plerion.
Panagia Nino
Weiler Kurt W.
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