Published February 15, 1974 | Version v1
Journal article

The evolution of the radio spectrum of Cassiopeia A

  • 1. Radio Astronomy Observatory, University of Michigan

Description

Measurements of the decay of Cas A at 8.0 GHz yield a rate of -0.70 + 0.07 percent per year. A comparison with determinations at lower frequencies establishes that the decay rate is frequency dependent and that the radio spectrum of Cas A is becoming flatter with time. Subject headings: radio sources, variable - supernova remnants

Additional details

Additional titles

Augmented title (English)
Decay rate, approx -0.70% per year

Identifiers

Publishing Information

Journal Title
The Astrophysical Journal
Journal Volume
188
Journal Issue
1
Series
Astrophys. J., Lett.
Journal Page Range
L11
ISSN
0004-637X

INIS

Country of Publication
United States
Country of Input or Organization
United States
INIS RN
5144792
Subject category
S79: ASTROPHYSICS, COSMOLOGY AND ASTRONOMY;
Descriptors DEI
COSMIC RADIO SOURCES; FREQUENCY DEPENDENCE; POLARIZATION; RADIOWAVE RADIATION; SPECTRA; SUPERNOVA REMNANTS
Descriptors DEC
ELECTROMAGNETIC RADIATION; RADIATIONS

Optional Information

Notes
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