Matches in SemOpenAlex for { <https://semopenalex.org/work/W4285498664> ?p ?o ?g. }
- W4285498664 endingPage "213" @default.
- W4285498664 startingPage "213" @default.
- W4285498664 abstract "Astrophysical sources of very high energy (VHE; $>100$ GeV) $gamma$ rays are rare, since GeV and TeV photons can be only emitted in extreme circumstances involving interactions of relativistic particles with local radiation and magnetic fields. In the context of the Fermi Large Area Telescope (LAT), only a few sources are known to be VHE emitters, where the largest fraction belongs to the rarest class of active galactic nuclei: the blazars. In this work, we explore Fermi-LAT data for energies $>100$ GeV and Galactic latitudes $b > |50^{circ}|$ in order to probe the origin of the extragalactic isotropic $gamma$-ray emission. Since the production of such VHE photons requires very specific astrophysical conditions, we would expect that the majority of the VHE photons from the isotropic $gamma$-ray emission originate from blazars or other extreme objects like star-forming galaxies, $gamma$-ray bursts, and radio galaxies, and that the detection of a single VHE photon at the adopted Galactic latitudes would be enough to unambiguously trace the presence of such a counterpart. Our results suggest that blazars are, by far, the dominant class of source above 100 GeV, although they account for only $22.8^{+4.5}_{-4.1}%$ of the extragalactic VHE photons. The remaining $77^{+4.1}_{-4.5}%$ of the VHE photons still have an unknown origin." @default.
- W4285498664 created "2022-07-15" @default.
- W4285498664 creator A5002340875 @default.
- W4285498664 creator A5006696699 @default.
- W4285498664 creator A5040809084 @default.
- W4285498664 creator A5062071996 @default.
- W4285498664 date "2022-07-01" @default.
- W4285498664 modified "2023-09-25" @default.
- W4285498664 title "The Isotropic γ-ray Emission above 100 GeV: Where Do Very High-energy γ-rays Come From?" @default.
- W4285498664 cites W1891457057 @default.
- W4285498664 cites W1973820399 @default.
- W4285498664 cites W1979115990 @default.
- W4285498664 cites W1988329252 @default.
- W4285498664 cites W1990948132 @default.
- W4285498664 cites W1995088170 @default.
- W4285498664 cites W2005873856 @default.
- W4285498664 cites W2021342288 @default.
- W4285498664 cites W2022700938 @default.
- W4285498664 cites W2044398051 @default.
- W4285498664 cites W2070131106 @default.
- W4285498664 cites W2077088937 @default.
- W4285498664 cites W2081289033 @default.
- W4285498664 cites W2089934535 @default.
- W4285498664 cites W2099269353 @default.
- W4285498664 cites W2106153630 @default.
- W4285498664 cites W2108080625 @default.
- W4285498664 cites W2108755723 @default.
- W4285498664 cites W2113112035 @default.
- W4285498664 cites W2130916877 @default.
- W4285498664 cites W2135625048 @default.
- W4285498664 cites W2138003640 @default.
- W4285498664 cites W2143241075 @default.
- W4285498664 cites W2145341405 @default.
- W4285498664 cites W2161408265 @default.
- W4285498664 cites W2165063682 @default.
- W4285498664 cites W2165736272 @default.
- W4285498664 cites W2166897975 @default.
- W4285498664 cites W2167277890 @default.
- W4285498664 cites W2292092269 @default.
- W4285498664 cites W2323578209 @default.
- W4285498664 cites W2544513175 @default.
- W4285498664 cites W2612410912 @default.
- W4285498664 cites W2737239559 @default.
- W4285498664 cites W2759874039 @default.
- W4285498664 cites W2888532099 @default.
- W4285498664 cites W2898161175 @default.
- W4285498664 cites W2951253092 @default.
- W4285498664 cites W2966950836 @default.
- W4285498664 cites W2970856535 @default.
- W4285498664 cites W2984041077 @default.
- W4285498664 cites W3027520426 @default.
- W4285498664 cites W3044382151 @default.
- W4285498664 cites W3084465706 @default.
- W4285498664 cites W3097994651 @default.
- W4285498664 cites W3098275516 @default.
- W4285498664 cites W3098524732 @default.
- W4285498664 cites W3099312268 @default.
- W4285498664 cites W3099714470 @default.
- W4285498664 cites W3100391445 @default.
- W4285498664 cites W3100732431 @default.
- W4285498664 cites W3101048799 @default.
- W4285498664 cites W3101283291 @default.
- W4285498664 cites W3102167679 @default.
- W4285498664 cites W3102206282 @default.
- W4285498664 cites W3102239066 @default.
- W4285498664 cites W3102512643 @default.
- W4285498664 cites W3102588285 @default.
- W4285498664 cites W3102721314 @default.
- W4285498664 cites W3104181992 @default.
- W4285498664 cites W3104266666 @default.
- W4285498664 cites W3104621927 @default.
- W4285498664 cites W3105289009 @default.
- W4285498664 cites W3105343877 @default.
- W4285498664 cites W3106094495 @default.
- W4285498664 cites W3106142589 @default.
- W4285498664 cites W3106281360 @default.
- W4285498664 cites W3122712798 @default.
- W4285498664 cites W3123799187 @default.
- W4285498664 cites W3200042971 @default.
- W4285498664 cites W4211075773 @default.
- W4285498664 cites W4221151700 @default.
- W4285498664 cites W4293183835 @default.
- W4285498664 cites W4300292119 @default.
- W4285498664 doi "https://doi.org/10.3847/1538-4357/ac771d" @default.
- W4285498664 hasPublicationYear "2022" @default.
- W4285498664 type Work @default.
- W4285498664 citedByCount "3" @default.
- W4285498664 countsByYear W42854986642023 @default.
- W4285498664 crossrefType "journal-article" @default.
- W4285498664 hasAuthorship W4285498664A5002340875 @default.
- W4285498664 hasAuthorship W4285498664A5006696699 @default.
- W4285498664 hasAuthorship W4285498664A5040809084 @default.
- W4285498664 hasAuthorship W4285498664A5062071996 @default.
- W4285498664 hasBestOaLocation W42854986641 @default.
- W4285498664 hasConcept C100752510 @default.
- W4285498664 hasConcept C121332964 @default.
- W4285498664 hasConcept C1276947 @default.
- W4285498664 hasConcept C151730666 @default.