Search for radio emission from the young supernova remnants in NGC6946
M. P. Ulmer*, Patrick C. Crane, Robert L. Brown, J. M. Van Der Hulst
Although recent supernovae in our own Galaxy are among the brightest radio sources in the sky - particularly Cas A and the Crab Nebula (500-1,000 yr post-outburst) - the evolution of their radio emission from outburst to the present is, of course, unknown. Unless and until we have the opportunity to study a new galactic supernova, our information on the immediate post-outburst radio properties of supernova remnants must come from studies of identified supernovae in external galaxies. NGC6946 is one galaxy in which such a study is particularly favourable both because supernovae occur frequently in this galaxy - four supernovae have been identified since 1917 - and because of its relative proximity. Two previous searches have failed to detect radio emission from these remnants1,2. However, the greater sensitivity presently available at radio wavelengths allows us not only to conduct a more sensitive search for these remnants but also to determine whether the radio emission has brightened since the last surveys ∼ 5 yr ago.
https://doi.org/10.1038/285151a0
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Supernovae Physics 100%
supernovae INIS 100%
Radio Emission Physics 80%
Galaxies Physics 80%
emission INIS 80%
galaxies INIS 80%
Optical Bursts Physics 60%
Supernova Remnant Physics 40%
Ulmer, M. P., Crane, P. C., Brown, R. L., & Van Der Hulst, J. M. (1980). Search for radio emission from the young supernova remnants in NGC6946. Nature, 285(5761), 151-152. https://doi.org/10.1038/285151a0
Ulmer, M. P. ; Crane, Patrick C. ; Brown, Robert L. et al. / Search for radio emission from the young supernova remnants in NGC6946. In: Nature. 1980 ; Vol. 285, No. 5761. pp. 151-152.
@article{e52c3abc7e874ba495ddbbf2b1d84e12,
title = "Search for radio emission from the young supernova remnants in NGC6946",
abstract = "Although recent supernovae in our own Galaxy are among the brightest radio sources in the sky - particularly Cas A and the Crab Nebula (500-1,000 yr post-outburst) - the evolution of their radio emission from outburst to the present is, of course, unknown. Unless and until we have the opportunity to study a new galactic supernova, our information on the immediate post-outburst radio properties of supernova remnants must come from studies of identified supernovae in external galaxies. NGC6946 is one galaxy in which such a study is particularly favourable both because supernovae occur frequently in this galaxy - four supernovae have been identified since 1917 - and because of its relative proximity. Two previous searches have failed to detect radio emission from these remnants1,2. However, the greater sensitivity presently available at radio wavelengths allows us not only to conduct a more sensitive search for these remnants but also to determine whether the radio emission has brightened since the last surveys ∼ 5 yr ago.",
author = "Ulmer, {M. P.} and Crane, {Patrick C.} and Brown, {Robert L.} and {Van Der Hulst}, {J. M.}",
doi = "10.1038/285151a0",
journal = "Nature",
Ulmer, MP, Crane, PC, Brown, RL & Van Der Hulst, JM 1980, 'Search for radio emission from the young supernova remnants in NGC6946', Nature, vol. 285, no. 5761, pp. 151-152. https://doi.org/10.1038/285151a0
Search for radio emission from the young supernova remnants in NGC6946. / Ulmer, M. P.; Crane, Patrick C.; Brown, Robert L. et al.
In: Nature, Vol. 285, No. 5761, 1980, p. 151-152.
T1 - Search for radio emission from the young supernova remnants in NGC6946
AU - Ulmer, M. P.
AU - Crane, Patrick C.
AU - Brown, Robert L.
AU - Van Der Hulst, J. M.
N2 - Although recent supernovae in our own Galaxy are among the brightest radio sources in the sky - particularly Cas A and the Crab Nebula (500-1,000 yr post-outburst) - the evolution of their radio emission from outburst to the present is, of course, unknown. Unless and until we have the opportunity to study a new galactic supernova, our information on the immediate post-outburst radio properties of supernova remnants must come from studies of identified supernovae in external galaxies. NGC6946 is one galaxy in which such a study is particularly favourable both because supernovae occur frequently in this galaxy - four supernovae have been identified since 1917 - and because of its relative proximity. Two previous searches have failed to detect radio emission from these remnants1,2. However, the greater sensitivity presently available at radio wavelengths allows us not only to conduct a more sensitive search for these remnants but also to determine whether the radio emission has brightened since the last surveys ∼ 5 yr ago.
AB - Although recent supernovae in our own Galaxy are among the brightest radio sources in the sky - particularly Cas A and the Crab Nebula (500-1,000 yr post-outburst) - the evolution of their radio emission from outburst to the present is, of course, unknown. Unless and until we have the opportunity to study a new galactic supernova, our information on the immediate post-outburst radio properties of supernova remnants must come from studies of identified supernovae in external galaxies. NGC6946 is one galaxy in which such a study is particularly favourable both because supernovae occur frequently in this galaxy - four supernovae have been identified since 1917 - and because of its relative proximity. Two previous searches have failed to detect radio emission from these remnants1,2. However, the greater sensitivity presently available at radio wavelengths allows us not only to conduct a more sensitive search for these remnants but also to determine whether the radio emission has brightened since the last surveys ∼ 5 yr ago.
U2 - 10.1038/285151a0
DO - 10.1038/285151a0
JO - Nature
JF - Nature
Ulmer MP, Crane PC, Brown RL, Van Der Hulst JM. Search for radio emission from the young supernova remnants in NGC6946. Nature. 1980;285(5761):151-152. doi: 10.1038/285151a0