Gamma-ray halo around 3C 279: looking through the Sun on the 8th of October

We discuss how the solar occultations of bright sources of energetic gamma rays can be used to extract non-trivial physical and astrophysical information, including the angular size of the image. We analyze the EGRET data and discuss prospects for other instruments. The Fermi Gamma Ray Space Telesco...

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Detalles Bibliográficos
Autores principales: Fairbairn, M, Fairbairn, Malcolm, Troitsky, Sergey, Rashba, Timur
Lenguaje:eng
Publicado: 2008
Materias:
astro-ph
Acceso en línea:https://dx.doi.org/10.1111/j.1745-3933.2009.00801.x
http://cds.cern.ch/record/1129663
Descripción
Sumario:We discuss how the solar occultations of bright sources of energetic gamma rays can be used to extract non-trivial physical and astrophysical information, including the angular size of the image. We analyze the EGRET data and discuss prospects for other instruments. The Fermi Gamma Ray Space Telescope will be able to constrain the size of a possible halo around 3C 279 from observations it will make on October 8, 2008.

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