The X-Ray Binary Population with Fermi-LAT

Abstract

Binary star systems represent a significant proportion of the Galactic stellar population, with X-ray binaries being an important subset of these for high energy astrophysics. Although hundreds of X-ray binaries are detected in the Milky Way and beyond, only 12 of these systems are listed in the 4FGL-DR2, the latest Fermi-LAT point source catalogue. With such a small number detectable by Fermi-LAT, much is still unknown about the mechanisms by which these systems emit $\gamma$-rays. We present the method and current status of our large-scale survey of the X-ray binary population using over 12 years of Fermi-LAT data, and current catalogues and background models.

arXiv comment8 pages, 1 figure, prepared for the Proceedings of the 37th International Cosmic Ray Conference (ICRC 2021)

References in corpus (11)

• The Large Area Telescope on the Fermi Gamma-ray Space Telescope Mission
• Fermi Large Area Telescope Fourth Source Catalog
• Be/X-ray binaries
• Catalogue of high-mass X-ray binaries in the Galaxy ($4^{th}$ edition)
• A catalogue of low-mass X-ray binaries in the Galaxy, LMC, and SMC (Fourth edition)
• High-Mass X-ray Binaries in the Milky Way: A closer look with INTEGRAL
• Fermi Large Area Telescope Fourth Source Catalog Data Release 2
• Kes 73: A Young Supernova Remnant with an X-ray Bright, Radio-quiet Central Source
• Gamma-ray heartbeat powered by the microquasar SS 433
• Gamma-rays from SS433: evidence for periodicity
• The orbital parameters of the gamma-ray binary LMC P3