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001     622025
005     20250119115652.0
024 7 _ |a Joffre:2024epp
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024 7 _ |a inspire:2758079
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024 7 _ |a arXiv:2402.07994
|2 arXiv
024 7 _ |a 10.3204/PUBDB-2025-00137
|2 datacite_doi
037 _ _ |a PUBDB-2025-00137
041 _ _ |a English
082 _ _ |a 520
088 _ _ |a arXiv:2402.07994
|2 arXiv
100 1 _ |a Joffre, Scott D.
|0 0000-0001-9427-2944
|b 0
|e Corresponding author
245 _ _ |a Historical Fermi All-sky Variability Analysis of Galactic Flares
260 _ _ |c 2024
336 7 _ |a Preprint
|b preprint
|m preprint
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336 7 _ |a WORKING_PAPER
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336 7 _ |a Electronic Article
|0 28
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336 7 _ |a preprint
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336 7 _ |a ARTICLE
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336 7 _ |a Output Types/Working Paper
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500 _ _ |a Submitted to ApJ Feb. 28 2024. Minor edits in Section 4 and 5 for clarity. 26 pages, 6 figures, 5 Tables
520 _ _ |a The Fermi All-sky Variability Analysis (FAVA) provides a photometric alternative for identifying week-long gamma-ray flares across the entire sky while being independent of any diffuse Galactic or isotropic emission model. We reviewed 779 weeks of Fermi Large Area Telescope data analyzed by FAVA to estimate the rate and origin of Galactic gamma-ray flares, and to search for new variable Galactic gamma-ray transients. We report an estimated yearly rate of ∼8.5 Galactic gamma-ray flares yr$^{–1}$, with ∼1 flare yr$^{–1}$ coming from unknown sources. Out of the known gamma-ray sources that are spatially coincident with these detected flares, we report gamma-ray flares for six of them for the first time. All six are classified as pulsars, or a source of unknown nature but which positionally overlaps with known supernova remnants or pulsar wind nebulae (PWNe). This potentially means these sites are tentative candidates to be the second known site of a variable gamma-ray PWN, after the famous Crab Nebula’s PWN. Additionally, we identify nine unassociated flares that are unlikely to have originated from known gamma-ray sources.
536 _ _ |a 613 - Matter and Radiation from the Universe (POF4-613)
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588 _ _ |a Dataset connected to CrossRef, INSPIRE, Journals: bib-pubdb1.desy.de
693 _ _ |0 EXP:(DE-H253)TAIGA-20190101
|5 EXP:(DE-H253)TAIGA-20190101
|e Tunka Advanced Instrument for cosmic ray physics and Gamma Astronomy
|x 0
700 1 _ |a Torres-Albà, Núria
|0 0000-0003-3638-8943
|b 1
700 1 _ |a Ajello, Marco
|0 0000-0002-6584-1703
|b 2
700 1 _ |a Kocevski, Daniel
|0 0000-0001-9201-4706
|b 3
700 1 _ |a Bühler, Rolf
|0 P:(DE-H253)PIP1018733
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856 4 _ |y OpenAccess
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910 1 _ |a Deutsches Elektronen-Synchrotron
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913 1 _ |a DE-HGF
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914 1 _ |y 2024
915 _ _ |a OpenAccess
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915 _ _ |a Creative Commons Attribution CC BY 4.0
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915 _ _ |a Published
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920 1 _ |0 I:(DE-H253)Z_GA-20210408
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980 _ _ |a preprint
980 _ _ |a VDB
980 _ _ |a UNRESTRICTED
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980 1 _ |a FullTexts

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