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Conference Paper: Molecular gas in nearby elliptical radio galaxies

TitleMolecular gas in nearby elliptical radio galaxies
Authors
KeywordsActive Galaxies
Elliptical Galaxies
Galaxies
Ism
Molecular Hdrogen
Molecular Spectra
Radio Microwave (>Lmm)
Sky Survey
Issue Date2008
Citation
Aip Conference Proceedings, 2008, v. 1035, p. 132-134 How to Cite?
AbstractPowerful radio-AGN are hosted by massive elliptical galaxies which are usually very poor in molecular gas. Nevertheless the central Black Hole (BH) needs molecular gas for the nuclear activity. Thus it is important to study the origin, the distribution and the kinematics of the molecular gas in such objects. We have performed at the IRAM-30m telescope a survey of the CO (1-0) and CO (2-1) emission in the most powerful radio galaxies of the Local Universe, selected only on the basis of their radio continuum fluxes. The main result of that survey is the low content in molecular gas of such galaxies compared to Seyfert galaxies. The median value of the molecular gas mass is 4×10 8M⊙. Moreover, the CO spectra indicate the presence of a central molecular gas disk in some of these radio galaxies. We complemented this survey with photometric data of SPITZER and IRAS fluxes with the purpose to study the dust and its relation with the molecular gas and AGN. © 2008 American Institute of Physics.
Persistent Identifierhttp://hdl.handle.net/10722/176196
ISSN
References

 

DC FieldValueLanguage
dc.contributor.authorFlaquer, BOen_US
dc.contributor.authorLeon, Sen_US
dc.contributor.authorLim, Jen_US
dc.contributor.authorCombes, Fen_US
dc.contributor.authorDinhVTrungen_US
dc.date.accessioned2012-11-26T09:06:47Z-
dc.date.available2012-11-26T09:06:47Z-
dc.date.issued2008en_US
dc.identifier.citationAip Conference Proceedings, 2008, v. 1035, p. 132-134en_US
dc.identifier.issn0094-243Xen_US
dc.identifier.urihttp://hdl.handle.net/10722/176196-
dc.description.abstractPowerful radio-AGN are hosted by massive elliptical galaxies which are usually very poor in molecular gas. Nevertheless the central Black Hole (BH) needs molecular gas for the nuclear activity. Thus it is important to study the origin, the distribution and the kinematics of the molecular gas in such objects. We have performed at the IRAM-30m telescope a survey of the CO (1-0) and CO (2-1) emission in the most powerful radio galaxies of the Local Universe, selected only on the basis of their radio continuum fluxes. The main result of that survey is the low content in molecular gas of such galaxies compared to Seyfert galaxies. The median value of the molecular gas mass is 4×10 8M⊙. Moreover, the CO spectra indicate the presence of a central molecular gas disk in some of these radio galaxies. We complemented this survey with photometric data of SPITZER and IRAS fluxes with the purpose to study the dust and its relation with the molecular gas and AGN. © 2008 American Institute of Physics.en_US
dc.languageengen_US
dc.relation.ispartofAIP Conference Proceedingsen_US
dc.subjectActive Galaxiesen_US
dc.subjectElliptical Galaxiesen_US
dc.subjectGalaxiesen_US
dc.subjectIsmen_US
dc.subjectMolecular Hdrogenen_US
dc.subjectMolecular Spectraen_US
dc.subjectRadio Microwave (>Lmm)en_US
dc.subjectSky Surveyen_US
dc.titleMolecular gas in nearby elliptical radio galaxiesen_US
dc.typeConference_Paperen_US
dc.identifier.emailLim, J: jjlim@hku.hken_US
dc.identifier.authorityLim, J=rp00745en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1063/1.2973564en_US
dc.identifier.scopuseid_2-s2.0-51149084752en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-51149084752&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume1035en_US
dc.identifier.spage132en_US
dc.identifier.epage134en_US
dc.publisher.placeUnited Statesen_US
dc.identifier.scopusauthoridFlaquer, BO=24767839000en_US
dc.identifier.scopusauthoridLeon, S=7006526119en_US
dc.identifier.scopusauthoridLim, J=7403453870en_US
dc.identifier.scopusauthoridCombes, F=7004959652en_US
dc.identifier.scopusauthoridDinhVTrung=6701469660en_US

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