Absorption of gamma-ray jet photons in the external photon fields of a binary supermassive black hole system

Alina C. Donea

doi:10.1063/1.3076755

Absorption of gamma-ray jet photons in the external photon fields of a binary supermassive black hole system

Alina C. Donea

School of Mathematics

Research output: Chapter in Book/Report/Conference proceeding › Conference Paper › Research › peer-review

Abstract

Gamma-ray absorption due to photon-photon pair production of γ-ray jet photons travelling in the external photon environment of a binary supermassive black hole system is considered. We investigate to what extent the location of a gammaray emitter exposed to the anisotropic radiation field of both accretion disks affects the gamma-ray opacity. The simple model analysed in this paper consists of a primary black hole surrounded by a standard accretion disk in symbiosis with a relativistic jet. The secondary black hole located at a given position nearby has a similar mass (or smaller) and is surrounded by a viscous Shakura-Sunyaev small accretion disk. We show that for standard parameters of the accretion disks and a separation distance between the two black holes of 0.05 to 0.1 pc (close system), there is still a significant γ-ray absorption from the secondary disk.

Original language	English
Title of host publication	High Energy Gamma-Ray Astronomy
Subtitle of host publication	4th International Meeting on High Energy Gamma-Ray Astronomy
Editors	Felix A. Aharonian, Werner Hofmann, Frank M. Rieger
Place of Publication	Melville New York USA
Publisher	American Institute of Physics
Pages	636-639
Number of pages	4
Volume	1085
ISBN (Print)	9780735406162
DOIs	https://doi.org/10.1063/1.3076755
Publication status	Published - 2008
Event	International Meeting on High Energy Gamma-Ray Astronomy 2008 - Heidelberg, Germany Duration: 7 Jul 2008 → 11 Jul 2008 Conference number: 4th https://pubs.aip.org/aip/acp/issue/1085/1

Publication series

Name	AIP Conference Proceedings
Publisher	American Institute of Physics
Number	1
Volume	1085
ISSN (Print)	0094-243X
ISSN (Electronic)	1551-7616

Conference

Conference	International Meeting on High Energy Gamma-Ray Astronomy 2008
Country/Territory	Germany
City	Heidelberg
Period	7/07/08 → 11/07/08
Internet address	https://pubs.aip.org/aip/acp/issue/1085/1

Keywords

Accretion disks
Binary black holes
Gamma ray astronomy
Relativistic jets

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10.1063/1.3076755

Cite this

Donea, A. C. (2008). Absorption of gamma-ray jet photons in the external photon fields of a binary supermassive black hole system. In F. A. Aharonian, W. Hofmann, & F. M. Rieger (Eds.), High Energy Gamma-Ray Astronomy: 4th International Meeting on High Energy Gamma-Ray Astronomy (Vol. 1085, pp. 636-639). (AIP Conference Proceedings; Vol. 1085, No. 1). American Institute of Physics. https://doi.org/10.1063/1.3076755

Donea, Alina C. / Absorption of gamma-ray jet photons in the external photon fields of a binary supermassive black hole system. High Energy Gamma-Ray Astronomy: 4th International Meeting on High Energy Gamma-Ray Astronomy. editor / Felix A. Aharonian ; Werner Hofmann ; Frank M. Rieger. Vol. 1085 Melville New York USA : American Institute of Physics, 2008. pp. 636-639 (AIP Conference Proceedings; 1).

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title = "Absorption of gamma-ray jet photons in the external photon fields of a binary supermassive black hole system",

abstract = "Gamma-ray absorption due to photon-photon pair production of γ-ray jet photons travelling in the external photon environment of a binary supermassive black hole system is considered. We investigate to what extent the location of a gammaray emitter exposed to the anisotropic radiation field of both accretion disks affects the gamma-ray opacity. The simple model analysed in this paper consists of a primary black hole surrounded by a standard accretion disk in symbiosis with a relativistic jet. The secondary black hole located at a given position nearby has a similar mass (or smaller) and is surrounded by a viscous Shakura-Sunyaev small accretion disk. We show that for standard parameters of the accretion disks and a separation distance between the two black holes of 0.05 to 0.1 pc (close system), there is still a significant γ-ray absorption from the secondary disk.",

keywords = "Accretion disks, Binary black holes, Gamma ray astronomy, Relativistic jets",

author = "Donea, \{Alina C.\}",

year = "2008",

doi = "10.1063/1.3076755",

language = "English",

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volume = "1085",

series = "AIP Conference Proceedings",

publisher = "American Institute of Physics",

number = "1",

pages = "636--639",

editor = "Aharonian, \{Felix A.\} and Werner Hofmann and Rieger, \{Frank M.\}",

booktitle = "High Energy Gamma-Ray Astronomy",

address = "United States of America",

note = "International Meeting on High Energy Gamma-Ray Astronomy 2008 ; Conference date: 07-07-2008 Through 11-07-2008",

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Donea, AC 2008, Absorption of gamma-ray jet photons in the external photon fields of a binary supermassive black hole system. in FA Aharonian, W Hofmann & FM Rieger (eds), High Energy Gamma-Ray Astronomy: 4th International Meeting on High Energy Gamma-Ray Astronomy. vol. 1085, AIP Conference Proceedings, no. 1, vol. 1085, American Institute of Physics, Melville New York USA, pp. 636-639, International Meeting on High Energy Gamma-Ray Astronomy 2008, Heidelberg, Baden-Württemberg, Germany, 7/07/08. https://doi.org/10.1063/1.3076755

Absorption of gamma-ray jet photons in the external photon fields of a binary supermassive black hole system. / Donea, Alina C.
High Energy Gamma-Ray Astronomy: 4th International Meeting on High Energy Gamma-Ray Astronomy. ed. / Felix A. Aharonian; Werner Hofmann; Frank M. Rieger. Vol. 1085 Melville New York USA: American Institute of Physics, 2008. p. 636-639 (AIP Conference Proceedings; Vol. 1085, No. 1).

Research output: Chapter in Book/Report/Conference proceeding › Conference Paper › Research › peer-review

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AB - Gamma-ray absorption due to photon-photon pair production of γ-ray jet photons travelling in the external photon environment of a binary supermassive black hole system is considered. We investigate to what extent the location of a gammaray emitter exposed to the anisotropic radiation field of both accretion disks affects the gamma-ray opacity. The simple model analysed in this paper consists of a primary black hole surrounded by a standard accretion disk in symbiosis with a relativistic jet. The secondary black hole located at a given position nearby has a similar mass (or smaller) and is surrounded by a viscous Shakura-Sunyaev small accretion disk. We show that for standard parameters of the accretion disks and a separation distance between the two black holes of 0.05 to 0.1 pc (close system), there is still a significant γ-ray absorption from the secondary disk.

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Donea AC. Absorption of gamma-ray jet photons in the external photon fields of a binary supermassive black hole system. In Aharonian FA, Hofmann W, Rieger FM, editors, High Energy Gamma-Ray Astronomy: 4th International Meeting on High Energy Gamma-Ray Astronomy. Vol. 1085. Melville New York USA: American Institute of Physics. 2008. p. 636-639. (AIP Conference Proceedings; 1). doi: 10.1063/1.3076755

Absorption of gamma-ray jet photons in the external photon fields of a binary supermassive black hole system

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