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OBSERVATION OF TeV GAMMA RAYS FROM THE CYGNUS REGION WITH THE ARGO-YBJ EXPERIMENT
ARGO-YBJ Collaboration
2012
发表期刊ASTROPHYSICAL JOURNAL LETTERS
卷号745期号:2
通讯作者Bartoli, B (reprint author), Univ Naples Federico 2, Dipartimento Fis, Complesso Univ Monte St Angelo,Via Cinthia, I-80126 Naples, Italy.
摘要We report the observation of TeV gamma-rays from the Cygnus region using the ARGO-YBJ data collected from 2007 November to 2011 August. Several TeV sources are located in this region including the two bright extended MGRO J2019+37 and MGRO J2031+41. According to the Milagro data set, at 20 TeV MGRO J2019+37 is the most significant source apart from the Crab Nebula. No signal from MGRO J2019+37 is detected by the ARGO-YBJ experiment, and the derived flux upper limits at the 90% confidence level for all the events above 600 GeV with medium energy of 3 TeV are lower than the Milagro flux, implying that the source might be variable and hard to be identified as a pulsar wind nebula. The only statistically significant (6.4 standard deviations) gamma-ray signal is found from MGRO J2031+41, with a flux consistent with the measurement by Milagro.
关键词GALACTIC SOURCES EMISSION J2032+4130 DETECTOR CALIBRATION MILAGRO PLANE
学科领域Astronomy & Astrophysics
DOI10.1088/2041-8205/745/2/L22
收录类别SCI
语种英语
WOS类目Astronomy & Astrophysics
WOS记录号WOS:000300228800007
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被引频次:34[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/213182
专题粒子天体物理中心
作者单位中国科学院高能物理研究所
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ARGO-YBJ Collaboration. OBSERVATION OF TeV GAMMA RAYS FROM THE CYGNUS REGION WITH THE ARGO-YBJ EXPERIMENT[J]. ASTROPHYSICAL JOURNAL LETTERS,2012,745(2).
APA ARGO-YBJ Collaboration.(2012).OBSERVATION OF TeV GAMMA RAYS FROM THE CYGNUS REGION WITH THE ARGO-YBJ EXPERIMENT.ASTROPHYSICAL JOURNAL LETTERS,745(2).
MLA ARGO-YBJ Collaboration."OBSERVATION OF TeV GAMMA RAYS FROM THE CYGNUS REGION WITH THE ARGO-YBJ EXPERIMENT".ASTROPHYSICAL JOURNAL LETTERS 745.2(2012).
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