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Title:
Radio supernovae
Authors:
Weiler, K. W.; Sramek, R. A.; Panagia, N.; van der Hulst, J. M.; Salvati, M.
Affiliation:
AA(NSF; U.S. Navy, E. O. Hulburt Center for Space Research, Washington, DC), AB(National Radio Astronomy Observatory, Socorro, NM), AC(CNR, Istituto di Radioastronomia, Bologna, Italy; Space Telescope Science Institute, Baltimore, MD), AD(Stichting Radiostraling van Zon en Melkweg, Dwingeloo, Netherlands), AE(CNR, Istituto di Astrofisica Spaziale, Frascati, Italy)
Publication:
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 301, Feb. 15, 1986, p. 790-812. (ApJ Homepage)
Publication Date:
02/1986
Category:
Astrophysics
Origin:
STI
NASA/STI Keywords:
Calibrating, Radio Sources (Astronomy), Stellar Spectrophotometry, Supernovae, Variable Stars, Light Curve, Radiant Flux Density, Spectral Energy Distribution, Spectrum Analysis, Stellar Models, Supernova Remnants, Tables (Data)
DOI:
10.1086/163944
Bibliographic Code:
1986ApJ...301..790W

Abstract

The observation, calibration and analysis of extensive new results on radio supernovae (RSNs) are discussed, while presenting most other available data and discussing their accuracy and applicability; the combined data set is then used to investigate the class properties of RSNs, deriving descriptive parameters for their light curves' gross features that are applied to several models of the phenomenon in order to investigate their relative merits and relations to the various types and subtypes of supernovae. All RSNs are found to turn on very sharply in the radio regime, with the turn on occurring first at shorter wavelengths and slowly progressing to longer ones with time. This appears to be explainable by a change of optical depth in external thermal free-free absorption. After the initially sharp turn-on, a differentiation among supernova types occurs.

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