Fermi-LAT study of two gamma-ray binaries, HESS J0632+057 and AGL J2241+4454
Masaki Mori (1), Akiko Kawachi (2), Shigehiro Nagataki (3), and, Tsuguya Naito (4) ((1) Dept. Physical Sciences, Ritsumeikan University, (2), Dept. Physics, Tokai University, (3) YITP, Kyoto University, (4) Faculty of, Management Information, Yamanashi Gakuin University)
TL;DR
This study used Fermi-LAT data to search for GeV gamma-ray emission from two gamma-ray binary candidates, HESS J0632+057 and AGL J2241+4454, but found no significant signals.
Contribution
The paper provides the first systematic search for GeV gamma-ray emission from these candidates using Fermi-LAT archival data.
Findings
No GeV gamma-ray emission detected from HESS J0632+057.
No GeV gamma-ray emission detected from AGL J2241+4454.
Spatial and temporal analysis showed no evidence of signals.
Abstract
GeV gamma-ray emission from two gamma-ray binary candidates, HESS J0632+057 and AGL J2241+4454, which were recently reported by H.E.S.S. and AGILE, respectively, have been searched for using the Fermi-LAT archival dataset. Spatial and temporal distribution of gamma-ray events are studied, but there was no evidence for GeV gamma-ray signal from either sources.
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Taxonomy
TopicsPulsars and Gravitational Waves Research · Astrophysical Phenomena and Observations · Gamma-ray bursts and supernovae