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Naslov:2FHL : THE SECOND CATALOG OF HARD FERMI-LAT SOURCES
Avtorji:ID Ackermann, M. (Avtor)
ID Zaharijas, Gabrijela, UNG (Avtor)
ID Fermi LAT, Collaboration (Avtor)
Datoteke: Gradivo nima datotek, ki so prostodostopne za javnost. Gradivo je morda fizično dosegljivo v knjižnici fakultete, zalogo lahko preverite v COBISS-u. Povezava se odpre v novem oknu
Jezik:Angleški jezik
Vrsta gradiva:Delo ni kategorizirano
Tipologija:1.01 - Izvirni znanstveni članek
Organizacija:UNG - Univerza v Novi Gorici
Opis:We present a catalog of sources detected above 50 GeV by the Fermi-Large Area Telescope (LAT) in 80 months of data. The newly delivered Pass8 event-level analysis allows the detection and characterization of sources in the 50 GeV–2 TeV energy range. In this energy band, Fermi-LAT has detected 360 sources, which constitute the second catalog of hard Fermi-LAT sources (2FHL). The improved angular resolution enables the precise localization of point sources (∼1 7 radius at 68% C.L.) and the detection and characterization of spatially extended sources. We find that 86% of the sources can be associated with counterparts at other wavelengths, of which the majority (75%) are active galactic nuclei and the rest (11%) are Galactic sources. Only 25% of the 2FHL sources have been previously detected by Cherenkov telescopes, implying that the 2FHL provides a reservoir of candidates to be followed up at very high energies. This work closes the energy gap between the observations performed at GeV energies by Fermi-LATon orbit and the observations performed at higher energies by Cherenkov telescopes from the ground.
Ključne besede:catalogs – gamma-rays
Verzija publikacije:Objavljena publikacija
Leto izida:2016
Št. strani:19
Številčenje:222, 1
PID:20.500.12556/RUNG-2108 Novo okno
COBISS.SI-ID:4145147 Novo okno
DOI:doi:10.3847/0067-0049/222/1/5 Novo okno
NUK URN:URN:SI:UNG:REP:IGL331GF
Datum objave v RUNG:25.02.2016
Število ogledov:6471
Število prenosov:0
Metapodatki:XML DC-XML DC-RDF
:
ACKERMANN, M., ZAHARIJAS, Gabrijela in FERMI LAT, Collaboration, 2016, 2FHL : THE SECOND CATALOG OF HARD FERMI-LAT SOURCES. The Astrophysical Journal Supplement Series [na spletu]. 2016. Vol. 222, no. 1. [Dostopano 7 april 2025]. DOI doi:10.3847/0067-0049/222/1/5. Pridobljeno s: https://repozitorij.ung.si/IzpisGradiva.php?lang=slv&id=2108
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Naslov:The Astrophysical Journal Supplement Series
Skrajšan naslov:ApJS
Založnik:American Astronomical Society
ISSN:ISSN 0067-0049

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