Non-Uniform Free-Free Absorption in the GPS Radio Galaxy 0108+388

We have observed the canonical gigahertz-peaked spectrum source 0108+388 with the VLBA at a range of frequencies above and below the spectral peak. The activity that dominates the radio emission from 0108+388, which is also classified as a Compact Symmetric Object, is thought to be less than 1000 ye...

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Detalles Bibliográficos
Autores principales: Marr, J M, Taylor, G B, Crawford, F
Lenguaje:eng
Publicado: 2001
Materias:
Astrophysics and Astronomy
Acceso en línea:https://dx.doi.org/10.1086/319729
http://cds.cern.ch/record/477760
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author Marr, J M
Taylor, G B
Crawford, F
author_facet Marr, J M
Taylor, G B
Crawford, F
author_sort Marr, J M
collection CERN
description We have observed the canonical gigahertz-peaked spectrum source 0108+388 with the VLBA at a range of frequencies above and below the spectral peak. The activity that dominates the radio emission from 0108+388, which is also classified as a Compact Symmetric Object, is thought to be less than 1000 years old. We present strong evidence that the spectral turnover in 0108+388 results from free-free absorption by non-uniform gas, possibly in the form of a disk in the central tens of parsecs.
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institution Organización Europea para la Investigación Nuclear
language eng
publishDate 2001
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spelling cern-4777602019-09-30T06:29:59Zdoi:10.1086/319729http://cds.cern.ch/record/477760engMarr, J MTaylor, G BCrawford, FNon-Uniform Free-Free Absorption in the GPS Radio Galaxy 0108+388Astrophysics and AstronomyWe have observed the canonical gigahertz-peaked spectrum source 0108+388 with the VLBA at a range of frequencies above and below the spectral peak. The activity that dominates the radio emission from 0108+388, which is also classified as a Compact Symmetric Object, is thought to be less than 1000 years old. We present strong evidence that the spectral turnover in 0108+388 results from free-free absorption by non-uniform gas, possibly in the form of a disk in the central tens of parsecs.astro-ph/0011372oai:cds.cern.ch:4777602001
spellingShingle Astrophysics and Astronomy
Marr, J M
Taylor, G B
Crawford, F
Non-Uniform Free-Free Absorption in the GPS Radio Galaxy 0108+388
title Non-Uniform Free-Free Absorption in the GPS Radio Galaxy 0108+388
title_full Non-Uniform Free-Free Absorption in the GPS Radio Galaxy 0108+388
title_fullStr Non-Uniform Free-Free Absorption in the GPS Radio Galaxy 0108+388
title_full_unstemmed Non-Uniform Free-Free Absorption in the GPS Radio Galaxy 0108+388
title_short Non-Uniform Free-Free Absorption in the GPS Radio Galaxy 0108+388
title_sort non-uniform free-free absorption in the gps radio galaxy 0108+388
topic Astrophysics and Astronomy
url https://dx.doi.org/10.1086/319729
http://cds.cern.ch/record/477760
work_keys_str_mv AT marrjm nonuniformfreefreeabsorptioninthegpsradiogalaxy0108388
AT taylorgb nonuniformfreefreeabsorptioninthegpsradiogalaxy0108388
AT crawfordf nonuniformfreefreeabsorptioninthegpsradiogalaxy0108388

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