Spectrum and Morphology of the Ultra-High-Energy Source LHAASO J2018+3651

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dc.contributor.authorCao Z.
dc.contributor.authorAharonian F.
dc.contributor.authorBai Y.X.
dc.contributor.authorBao Y.W.
dc.contributor.authorBastieri D.
dc.contributor.authorBi X.J.
dc.contributor.authorBi Y.J.
dc.contributor.authorBian W.
dc.contributor.authorBukevich A.V.
dc.contributor.authorCai C.M.
dc.contributor.authorCao W.Y.
dc.contributor.authorCao Z.
dc.contributor.authorChang J.
dc.contributor.authorChang J.F.
dc.contributor.authorChen A.M.
dc.contributor.authorChen E.S.
dc.contributor.authorChen G.H.
dc.contributor.authorChen H.X.
dc.contributor.authorChen L.
dc.contributor.authorChen L.
dc.contributor.authorChen M.J.
dc.contributor.authorChen M.L.
dc.contributor.authorChen Q.H.
dc.contributor.authorChen S.
dc.contributor.authorChen S.H.
dc.contributor.authorChen S.Z.
dc.contributor.authorChen T.L.
dc.contributor.authorChen X.B.
dc.contributor.authorChen X.J.
dc.contributor.authorChen Y.
dc.contributor.authorCheng N.
dc.contributor.authorCheng Y.D.
dc.contributor.authorChu M.C.
dc.contributor.authorCui M.Y.
dc.contributor.authorCui S.W.
dc.contributor.authorCui X.H.
dc.contributor.authorCui Y.D.
dc.contributor.authorDai B.Z.
dc.contributor.authorDai H.L.
dc.contributor.authorDai Z.G.
dc.contributor.authorDanzengluobu
dc.contributor.authorDiao Y.X.
dc.contributor.authorDong X.Q.
dc.contributor.authorDuan K.K.
dc.contributor.authorFan J.H.
dc.contributor.authorFan Y.Z.
dc.contributor.authorFang J.
dc.contributor.authorFang J.H.
dc.contributor.authorFang K.
dc.contributor.authorFeng C.F.
dc.contributor.authorFeng H.
dc.contributor.authorFeng L.
dc.contributor.authorFeng S.H.
dc.contributor.authorFeng X.T.
dc.contributor.authorFeng Y.
dc.contributor.authorFeng Y.L.
dc.contributor.authorGabici S.
dc.contributor.authorGao B.
dc.contributor.authorGao C.D.
dc.contributor.authorGao Q.
dc.contributor.authorGao W.
dc.contributor.authorGao W.K.
dc.contributor.authorGe M.M.
dc.contributor.authorGe T.T.
dc.contributor.authorGeng L.S.
dc.contributor.authorGiacinti G.
dc.contributor.authorGong G.H.
dc.contributor.authorGou Q.B.
dc.contributor.authorGu M.H.
dc.contributor.authorGuo F.L.
dc.contributor.authorGuo J.
dc.contributor.authorGuo X.L.
dc.contributor.authorGuo Y.Q.
dc.contributor.authorGuo Y.Y.
dc.contributor.authorHan Y.A.
dc.contributor.authorHannuksela O.A.
dc.contributor.authorHasan M.
dc.contributor.authorHe H.H.
dc.contributor.authorHe H.N.
dc.contributor.authorHe J.Y.
dc.contributor.authorHe X.Y.
dc.contributor.authorHe Y.
dc.contributor.authorHernández-Cadena S.
dc.contributor.authorHou B.W.
dc.contributor.authorHou C.
dc.contributor.authorHou X.
dc.contributor.authorHu H.B.
dc.contributor.authorHu S.C.
dc.contributor.authorHuang C.
dc.contributor.authorHuang D.H.
dc.contributor.authorHuang J.J.
dc.contributor.authorHuang T.Q.
dc.contributor.authorHuang W.J.
dc.contributor.authorHuang X.T.
dc.contributor.authorHuang X.Y.
dc.contributor.authorHuang Y.
dc.contributor.authorHuang Y.Y.
dc.contributor.authorJi X.L.
dc.contributor.authorJia H.Y.
dc.contributor.authorJia K.
dc.contributor.correspondenceCao Z.
dc.contributor.otherMahidol University
dc.date.accessioned2026-02-08T18:09:15Z
dc.date.available2026-02-08T18:09:15Z
dc.date.issued2025-12-30
dc.description.abstractThe LHAASO J2018+3651 region is one of the brightest sources in the sky at TeV energies. Photons with energies up to 0.27 PeV from this region have been detected with the Large High Altitude Air Shower Observatory (LHAASO) and here we present a detailed study of this region using more data from LHAASO. This analysis resolves the region into six sources: LHAASO J2018+3641, LHAASO J2019+3649, LHAASO J2021+3657, LHAASO J2016+3712, LHAASO J2013+3610 and LHAASO J2028+3655. An investigation of the morphology and spectrum for LHAASO J2018+3641, LHAASO J2019+3649 and LHAASO J2021+3657 are the focus and we find that the spectrum above TeV deviates significantly from a single power-law, and is best described by a power-law with exponential cutoff. The three sources may be associated with PSR J2021+3651 and its X-ray pulsar wind nebula. Additionally, LHAASO J2016+3712 is tentatively associated with the evolved supernova remnant CTB 87.
dc.identifier.citationProceedings of Science Vol.501 (2025)
dc.identifier.doi10.22323/1.501.0733
dc.identifier.eissn18248039
dc.identifier.scopus2-s2.0-105029032681
dc.identifier.urihttps://repository.li.mahidol.ac.th/handle/123456789/114868
dc.rights.holderSCOPUS
dc.subjectMultidisciplinary
dc.titleSpectrum and Morphology of the Ultra-High-Energy Source LHAASO J2018+3651
dc.typeConference Paper
mu.datasource.scopushttps://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=105029032681&origin=inward
oaire.citation.titleProceedings of Science
oaire.citation.volume501
oairecerif.author.affiliationUniversity of Chinese Academy of Sciences
oairecerif.author.affiliationTsinghua University
oairecerif.author.affiliationShanghai Jiao Tong University
oairecerif.author.affiliationSun Yat-Sen University
oairecerif.author.affiliationUniversity of Science and Technology of China
oairecerif.author.affiliationUniversité Paris Cité
oairecerif.author.affiliationShandong University
oairecerif.author.affiliationNanjing University
oairecerif.author.affiliationChinese University of Hong Kong
oairecerif.author.affiliationZhengzhou University
oairecerif.author.affiliationSouthwest Jiaotong University
oairecerif.author.affiliationYunnan University
oairecerif.author.affiliationGuangzhou University
oairecerif.author.affiliationInstitute of High Energy Physics, Chinese Academy of Sciences
oairecerif.author.affiliationNational Astronomical Observatories Chinese Academy of Sciences
oairecerif.author.affiliationMax-Planck-Institut für Kernphysik
oairecerif.author.affiliationHebei Normal University
oairecerif.author.affiliationInstitute for Nuclear Research of the Russian Academy of Sciences
oairecerif.author.affiliationYerevan State University
oairecerif.author.affiliationChina Center of Advanced Science and Technology World Laboratory
oairecerif.author.affiliationZhejiang Lab
oairecerif.author.affiliationPurple Mountain Observatory Chinese Academy of Sciences
oairecerif.author.affiliationShanghai Astronomical Observatory Chinese Academy of Sciences
oairecerif.author.affiliationYunnan Observatories
oairecerif.author.affiliationTibet University
oairecerif.author.affiliationState Key Laboratory of Particle Detection & Electronics
oairecerif.author.affiliationTIANFU Cosmic Ray Research Center
oairecerif.author.affiliationSchool of Physics

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