Optical sudy of PKS B1322-110, the Intra-hour Variable Radio Source

Autores
Madrid, Juan P.; Tuntsov, Artem V.; Schirmer, Mischa; Walker, Mark A.; Donzelli, Carlos Jose; Bannister, Keith W.; Bignal, Hayley E.; Stevens, Jamie; Reynolds, Cormac; Johnston, Simon
Año de publicación
2020
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
Observations with the Australia Telescope Compact Array revealed intrahour variations in the radio source PKS B1322-110. As part of an optical follow-up, we obtained Gemini Hα and Hα continuum (HαC) images of the PKS B1322-110 field. A robust 19σ detection of PKS B1322-110 in the Hα-HαC image prompted us to obtain the first optical spectrum of PKS B1322-110. With the Gemini spectrum we determine that PKS B1322-110 is a flat-spectrum radio quasar at a redshift of z = 3.007 ± 0.002. The apparent flux detected in the Hα filter is likely to originate from He II emission redshifted precisely on the Galactic Hα narrowband filter. We set upper limits on the emission measure of the Galactic plasma, for various possible cloud geometries.
Fil: Madrid, Juan P.. University Of Texas At Brownsville; Estados Unidos
Fil: Tuntsov, Artem V.. Manly Astrophysics; Australia
Fil: Schirmer, Mischa. Max-Planck Institut für Astronomie; Alemania
Fil: Walker, Mark A.. Manly Astrophysics; Australia
Fil: Donzelli, Carlos Jose. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto de Astronomía Teórica y Experimental. Universidad Nacional de Córdoba. Observatorio Astronómico de Córdoba. Instituto de Astronomía Teórica y Experimental; Argentina
Fil: Bannister, Keith W.. Csiro. Astronomy and Space Science; Australia
Fil: Bignal, Hayley E.. Csiro. Astronomy and Space Science; Australia
Fil: Stevens, Jamie. Csiro. Astronomy and Space Science; Australia
Fil: Reynolds, Cormac. Csiro. Astronomy and Space Science; Australia
Fil: Johnston, Simon. Csiro. Astronomy and Space Science; Australia
Materia
Interstellar medium
Radio loud quasars
Radio transient sources
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/181991

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spelling Optical sudy of PKS B1322-110, the Intra-hour Variable Radio SourceMadrid, Juan P.Tuntsov, Artem V.Schirmer, MischaWalker, Mark A.Donzelli, Carlos JoseBannister, Keith W.Bignal, Hayley E.Stevens, JamieReynolds, CormacJohnston, SimonInterstellar mediumRadio loud quasarsRadio transient sourceshttps://purl.org/becyt/ford/1.3https://purl.org/becyt/ford/1Observations with the Australia Telescope Compact Array revealed intrahour variations in the radio source PKS B1322-110. As part of an optical follow-up, we obtained Gemini Hα and Hα continuum (HαC) images of the PKS B1322-110 field. A robust 19σ detection of PKS B1322-110 in the Hα-HαC image prompted us to obtain the first optical spectrum of PKS B1322-110. With the Gemini spectrum we determine that PKS B1322-110 is a flat-spectrum radio quasar at a redshift of z = 3.007 ± 0.002. The apparent flux detected in the Hα filter is likely to originate from He II emission redshifted precisely on the Galactic Hα narrowband filter. We set upper limits on the emission measure of the Galactic plasma, for various possible cloud geometries.Fil: Madrid, Juan P.. University Of Texas At Brownsville; Estados UnidosFil: Tuntsov, Artem V.. Manly Astrophysics; AustraliaFil: Schirmer, Mischa. Max-Planck Institut für Astronomie; AlemaniaFil: Walker, Mark A.. Manly Astrophysics; AustraliaFil: Donzelli, Carlos Jose. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto de Astronomía Teórica y Experimental. Universidad Nacional de Córdoba. Observatorio Astronómico de Córdoba. Instituto de Astronomía Teórica y Experimental; ArgentinaFil: Bannister, Keith W.. Csiro. Astronomy and Space Science; AustraliaFil: Bignal, Hayley E.. Csiro. Astronomy and Space Science; AustraliaFil: Stevens, Jamie. Csiro. Astronomy and Space Science; AustraliaFil: Reynolds, Cormac. Csiro. Astronomy and Space Science; AustraliaFil: Johnston, Simon. Csiro. Astronomy and Space Science; AustraliaIOP Publishing2020-09info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/181991Madrid, Juan P.; Tuntsov, Artem V.; Schirmer, Mischa; Walker, Mark A.; Donzelli, Carlos Jose; et al.; Optical sudy of PKS B1322-110, the Intra-hour Variable Radio Source; IOP Publishing; Astrophysical Journal; 900; 1; 9-2020; 169-1740004-637X1538-4357CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/doi/ 10.3847/1538-4357/abaaafinfo:eu-repo/semantics/altIdentifier/url/https://iopscience.iop.org/article/10.3847/1538-4357/abaaafinfo:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-10-22T11:51:22Zoai:ri.conicet.gov.ar:11336/181991instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-10-22 11:51:22.591CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Optical sudy of PKS B1322-110, the Intra-hour Variable Radio Source
title Optical sudy of PKS B1322-110, the Intra-hour Variable Radio Source
spellingShingle Optical sudy of PKS B1322-110, the Intra-hour Variable Radio Source
Madrid, Juan P.
Interstellar medium
Radio loud quasars
Radio transient sources
title_short Optical sudy of PKS B1322-110, the Intra-hour Variable Radio Source
title_full Optical sudy of PKS B1322-110, the Intra-hour Variable Radio Source
title_fullStr Optical sudy of PKS B1322-110, the Intra-hour Variable Radio Source
title_full_unstemmed Optical sudy of PKS B1322-110, the Intra-hour Variable Radio Source
title_sort Optical sudy of PKS B1322-110, the Intra-hour Variable Radio Source
dc.creator.none.fl_str_mv Madrid, Juan P.
Tuntsov, Artem V.
Schirmer, Mischa
Walker, Mark A.
Donzelli, Carlos Jose
Bannister, Keith W.
Bignal, Hayley E.
Stevens, Jamie
Reynolds, Cormac
Johnston, Simon
author Madrid, Juan P.
author_facet Madrid, Juan P.
Tuntsov, Artem V.
Schirmer, Mischa
Walker, Mark A.
Donzelli, Carlos Jose
Bannister, Keith W.
Bignal, Hayley E.
Stevens, Jamie
Reynolds, Cormac
Johnston, Simon
author_role author
author2 Tuntsov, Artem V.
Schirmer, Mischa
Walker, Mark A.
Donzelli, Carlos Jose
Bannister, Keith W.
Bignal, Hayley E.
Stevens, Jamie
Reynolds, Cormac
Johnston, Simon
author2_role author
author
author
author
author
author
author
author
author
dc.subject.none.fl_str_mv Interstellar medium
Radio loud quasars
Radio transient sources
topic Interstellar medium
Radio loud quasars
Radio transient sources
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.3
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv Observations with the Australia Telescope Compact Array revealed intrahour variations in the radio source PKS B1322-110. As part of an optical follow-up, we obtained Gemini Hα and Hα continuum (HαC) images of the PKS B1322-110 field. A robust 19σ detection of PKS B1322-110 in the Hα-HαC image prompted us to obtain the first optical spectrum of PKS B1322-110. With the Gemini spectrum we determine that PKS B1322-110 is a flat-spectrum radio quasar at a redshift of z = 3.007 ± 0.002. The apparent flux detected in the Hα filter is likely to originate from He II emission redshifted precisely on the Galactic Hα narrowband filter. We set upper limits on the emission measure of the Galactic plasma, for various possible cloud geometries.
Fil: Madrid, Juan P.. University Of Texas At Brownsville; Estados Unidos
Fil: Tuntsov, Artem V.. Manly Astrophysics; Australia
Fil: Schirmer, Mischa. Max-Planck Institut für Astronomie; Alemania
Fil: Walker, Mark A.. Manly Astrophysics; Australia
Fil: Donzelli, Carlos Jose. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto de Astronomía Teórica y Experimental. Universidad Nacional de Córdoba. Observatorio Astronómico de Córdoba. Instituto de Astronomía Teórica y Experimental; Argentina
Fil: Bannister, Keith W.. Csiro. Astronomy and Space Science; Australia
Fil: Bignal, Hayley E.. Csiro. Astronomy and Space Science; Australia
Fil: Stevens, Jamie. Csiro. Astronomy and Space Science; Australia
Fil: Reynolds, Cormac. Csiro. Astronomy and Space Science; Australia
Fil: Johnston, Simon. Csiro. Astronomy and Space Science; Australia
description Observations with the Australia Telescope Compact Array revealed intrahour variations in the radio source PKS B1322-110. As part of an optical follow-up, we obtained Gemini Hα and Hα continuum (HαC) images of the PKS B1322-110 field. A robust 19σ detection of PKS B1322-110 in the Hα-HαC image prompted us to obtain the first optical spectrum of PKS B1322-110. With the Gemini spectrum we determine that PKS B1322-110 is a flat-spectrum radio quasar at a redshift of z = 3.007 ± 0.002. The apparent flux detected in the Hα filter is likely to originate from He II emission redshifted precisely on the Galactic Hα narrowband filter. We set upper limits on the emission measure of the Galactic plasma, for various possible cloud geometries.
publishDate 2020
dc.date.none.fl_str_mv 2020-09
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
http://purl.org/coar/resource_type/c_6501
info:ar-repo/semantics/articulo
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/11336/181991
Madrid, Juan P.; Tuntsov, Artem V.; Schirmer, Mischa; Walker, Mark A.; Donzelli, Carlos Jose; et al.; Optical sudy of PKS B1322-110, the Intra-hour Variable Radio Source; IOP Publishing; Astrophysical Journal; 900; 1; 9-2020; 169-174
0004-637X
1538-4357
CONICET Digital
CONICET
url http://hdl.handle.net/11336/181991
identifier_str_mv Madrid, Juan P.; Tuntsov, Artem V.; Schirmer, Mischa; Walker, Mark A.; Donzelli, Carlos Jose; et al.; Optical sudy of PKS B1322-110, the Intra-hour Variable Radio Source; IOP Publishing; Astrophysical Journal; 900; 1; 9-2020; 169-174
0004-637X
1538-4357
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/doi/ 10.3847/1538-4357/abaaaf
info:eu-repo/semantics/altIdentifier/url/https://iopscience.iop.org/article/10.3847/1538-4357/abaaaf
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.format.none.fl_str_mv application/pdf
application/pdf
dc.publisher.none.fl_str_mv IOP Publishing
publisher.none.fl_str_mv IOP Publishing
dc.source.none.fl_str_mv reponame:CONICET Digital (CONICET)
instname:Consejo Nacional de Investigaciones Científicas y Técnicas
reponame_str CONICET Digital (CONICET)
collection CONICET Digital (CONICET)
instname_str Consejo Nacional de Investigaciones Científicas y Técnicas
repository.name.fl_str_mv CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas
repository.mail.fl_str_mv dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar
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