The radio and optical properties of the Bl Lac object PKS 0521-36

The radio source PKS 0521-36 has an optically variable continuum which has resulted in its classification as a BL Lac object. The spectrum does, however, contain diluted stellar absorption features and weak emission lines which agree to give a redshift of 0.005. From the nature of the emission spect...

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Detalles Bibliográficos
Autores principales: Danziger, I J, Ekers, R D, Fosbury, R A E, Goss, W M
Lenguaje:eng
Publicado: 1979
Materias:
Astrophysics and Astronomy
Acceso en línea:http://cds.cern.ch/record/875336
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author Danziger, I J
Ekers, R D
Fosbury, R A E
Goss, W M
author_facet Danziger, I J
Ekers, R D
Fosbury, R A E
Goss, W M
author_sort Danziger, I J
collection CERN
description The radio source PKS 0521-36 has an optically variable continuum which has resulted in its classification as a BL Lac object. The spectrum does, however, contain diluted stellar absorption features and weak emission lines which agree to give a redshift of 0.005. From the nature of the emission spectrum it is probable that the galaxy contains at least 10/sup 5/M(.) of ionized gas. New radio observations with the VLA and an optical photograph are presented, both of which reveal the presence of extended structure, a resolved radio source of undetermined nature and an optical jet. These two different extended structures are not spatially coincident. (18 refs).
id cern-875336
institution Organización Europea para la Investigación Nuclear
language eng
publishDate 1979
record_format invenio
spelling cern-8753362019-09-30T06:29:59Zhttp://cds.cern.ch/record/875336engDanziger, I JEkers, R DFosbury, R A EGoss, W MThe radio and optical properties of the Bl Lac object PKS 0521-36Astrophysics and AstronomyThe radio source PKS 0521-36 has an optically variable continuum which has resulted in its classification as a BL Lac object. The spectrum does, however, contain diluted stellar absorption features and weak emission lines which agree to give a redshift of 0.005. From the nature of the emission spectrum it is probable that the galaxy contains at least 10/sup 5/M(.) of ionized gas. New radio observations with the VLA and an optical photograph are presented, both of which reveal the presence of extended structure, a resolved radio source of undetermined nature and an optical jet. These two different extended structures are not spatially coincident. (18 refs).oai:cds.cern.ch:8753361979
spellingShingle Astrophysics and Astronomy
Danziger, I J
Ekers, R D
Fosbury, R A E
Goss, W M
The radio and optical properties of the Bl Lac object PKS 0521-36
title The radio and optical properties of the Bl Lac object PKS 0521-36
title_full The radio and optical properties of the Bl Lac object PKS 0521-36
title_fullStr The radio and optical properties of the Bl Lac object PKS 0521-36
title_full_unstemmed The radio and optical properties of the Bl Lac object PKS 0521-36
title_short The radio and optical properties of the Bl Lac object PKS 0521-36
title_sort radio and optical properties of the bl lac object pks 0521-36
topic Astrophysics and Astronomy
url http://cds.cern.ch/record/875336
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