Radio Morphology of Gamma-ray Sources: Double-Lobed Radio Sources

Bibliographic Details
Title:	Radio Morphology of Gamma-ray Sources: Double-Lobed Radio Sources
Authors:	Paliya, Vaidehi S., Saikia, D. J., Domínguez, Alberto, Stalin, C. S.
Publication Year:	2024
Collection:	Astrophysics
Subject Terms:	Astrophysics - High Energy Astrophysical Phenomena, Astrophysics - Astrophysics of Galaxies
More Details:	The extragalactic gamma-ray sky is dominated by relativistic jets aligned to the observer's line of sight, i.e., blazars. A few of their misaligned counterparts, e.g., radio galaxies, are also detected with the Fermi-Large Area Telescope (LAT) albeit in a small number ($\sim$50), indicating the crucial role played by the jet viewing angle in detecting gamma-ray emission from jets. These gamma-ray emitting misaligned active galactic nuclei (AGN) provide us with a unique opportunity to understand the high-energy emission production mechanisms from a different viewpoint than the more common blazars. With this goal in mind, we have systematically studied the radio morphology of gamma-ray emitting sources present in the fourth data release of the fourth catalog of Fermi-LAT detected gamma-ray sources to identify misaligned AGN. By utilizing the high-resolution and sensitive MHz and GHz frequency observations delivered by the Very Large Array Sky Survey, Low-Frequency Array Two-metre Sky Survey, Faint Images of the Radio Sky at Twenty-Centimeters, and Rapid ASKAP Continuum Survey, here we present a catalog of 149 gamma-ray detected misaligned AGN, thus $\sim$tripling the number of known objects of this class. Our sample includes a variety of radio morphologies, e.g., edge-darkened and edge-brightened, hybrids, wide-angle-tailed, bent jets, and giants. Since the gamma-ray emission is thought to be highly sensitive to the jet viewing angle, such an enlarged sample of gamma-ray detected misaligned radio sources will permit us to explore the origin of high-energy emission in relativistic jets and radio lobes and study AGN unification, in general. Comment: ApJ, in press
Document Type:	Working Paper
Access URL:	http://arxiv.org/abs/2410.10192
Accession Number:	edsarx.2410.10192
Database:	arXiv

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Header	DbId: edsarx DbLabel: arXiv An: edsarx.2410.10192 RelevancyScore: 1112 AccessLevel: 3 PubType: Report PubTypeId: report PreciseRelevancyScore: 1112.27038574219
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Items	– Name: Title Label: Title Group: Ti Data: Radio Morphology of Gamma-ray Sources: Double-Lobed Radio Sources – Name: Author Label: Authors Group: Au Data: <searchLink fieldCode="AR" term="%22Paliya%2C+Vaidehi+S%2E%22">Paliya, Vaidehi S.</searchLink><br /><searchLink fieldCode="AR" term="%22Saikia%2C+D%2E+J%2E%22">Saikia, D. J.</searchLink><br /><searchLink fieldCode="AR" term="%22Domínguez%2C+Alberto%22">Domínguez, Alberto</searchLink><br /><searchLink fieldCode="AR" term="%22Stalin%2C+C%2E+S%2E%22">Stalin, C. S.</searchLink> – Name: DatePubCY Label: Publication Year Group: Date Data: 2024 – Name: Subset Label: Collection Group: HoldingsInfo Data: Astrophysics – Name: Subject Label: Subject Terms Group: Su Data: <searchLink fieldCode="DE" term="%22Astrophysics+-+High+Energy+Astrophysical+Phenomena%22">Astrophysics - High Energy Astrophysical Phenomena</searchLink><br /><searchLink fieldCode="DE" term="%22Astrophysics+-+Astrophysics+of+Galaxies%22">Astrophysics - Astrophysics of Galaxies</searchLink> – Name: Abstract Label: Description Group: Ab Data: The extragalactic gamma-ray sky is dominated by relativistic jets aligned to the observer's line of sight, i.e., blazars. A few of their misaligned counterparts, e.g., radio galaxies, are also detected with the Fermi-Large Area Telescope (LAT) albeit in a small number ($\sim$50), indicating the crucial role played by the jet viewing angle in detecting gamma-ray emission from jets. These gamma-ray emitting misaligned active galactic nuclei (AGN) provide us with a unique opportunity to understand the high-energy emission production mechanisms from a different viewpoint than the more common blazars. With this goal in mind, we have systematically studied the radio morphology of gamma-ray emitting sources present in the fourth data release of the fourth catalog of Fermi-LAT detected gamma-ray sources to identify misaligned AGN. By utilizing the high-resolution and sensitive MHz and GHz frequency observations delivered by the Very Large Array Sky Survey, Low-Frequency Array Two-metre Sky Survey, Faint Images of the Radio Sky at Twenty-Centimeters, and Rapid ASKAP Continuum Survey, here we present a catalog of 149 gamma-ray detected misaligned AGN, thus $\sim$tripling the number of known objects of this class. Our sample includes a variety of radio morphologies, e.g., edge-darkened and edge-brightened, hybrids, wide-angle-tailed, bent jets, and giants. Since the gamma-ray emission is thought to be highly sensitive to the jet viewing angle, such an enlarged sample of gamma-ray detected misaligned radio sources will permit us to explore the origin of high-energy emission in relativistic jets and radio lobes and study AGN unification, in general.<br />Comment: ApJ, in press – Name: TypeDocument Label: Document Type Group: TypDoc Data: Working Paper – Name: URL Label: Access URL Group: URL Data: <link linkTarget="URL" linkTerm="http://arxiv.org/abs/2410.10192" linkWindow="_blank">http://arxiv.org/abs/2410.10192</link> – Name: AN Label: Accession Number Group: ID Data: edsarx.2410.10192
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RecordInfo	BibRecord: BibEntity: Subjects: – SubjectFull: Astrophysics - High Energy Astrophysical Phenomena Type: general – SubjectFull: Astrophysics - Astrophysics of Galaxies Type: general Titles: – TitleFull: Radio Morphology of Gamma-ray Sources: Double-Lobed Radio Sources Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Paliya, Vaidehi S. – PersonEntity: Name: NameFull: Saikia, D. J. – PersonEntity: Name: NameFull: Domínguez, Alberto – PersonEntity: Name: NameFull: Stalin, C. S. IsPartOfRelationships: – BibEntity: Dates: – D: 14 M: 10 Type: published Y: 2024
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