Orbital Phase-resolved Analysis of X-ray and Gamma-ray Observations of the High-Mass Gamma-ray Binary 4FGL J1405.1-6119

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dc.contributor.authorLange, Alexander
dc.contributor.authorCorbet, Robin
dc.contributor.authorColey, Joel B.
dc.contributor.authorDubus, Guillaume
dc.contributor.authorHare, Jeremy
dc.contributor.authorIslam, Nazma
dc.contributor.authorBarnes, Jonathan
dc.date.accessioned2025-06-17T14:45:33Z
dc.date.available2025-06-17T14:45:33Z
dc.date.issued2025-05-19
dc.description.abstractWe present the results of multi-wavelength observations of the High-Mass Gamma-Ray Binary 4FGL J1405.1-6119. A pair of joint XMM-Newton and NuSTAR observations taken in 2019 (sampling the gamma-ray maximum and X-ray maximum) characterize the emission of soft and hard X-rays. We find variability of the hydrogen column density along our line of sight, NH, and photon index, Γ, and find no evidence of pulsations in X-rays. We also refine a new best-fit orbital period to P = 13.7157 ± 0.0014 days, the first orbital phase resolved analysis based on nearly 16 years of Fermi–LAT observations of 4FGL J1405.1-6119 and the evolution of the spectral shape as a function of orbital phase. Finally, the X-ray and γ-ray spectra for the phases sampled in the new X ray observations can be interpreted in the framework of the intrabinary shock model, previously applied to High-Mass Gamma-Ray binaries such as LS 5039.
dc.description.sponsorshipThis work was also partially supported by NASA grant 80NSSC20K1304 and also under NASA award number 80GSFC21M0006. Based on observations obtained with XMM-Newton, an ESA science mission with instruments and contributions directly funded by ESA Member States and NASA. This research has made use of data from the NuSTAR mission, a project led by the California Institute of Technology, managed by the Jet Propulsion Laboratory, and funded by the National Aeronautics and Space Administration. Data analysis was performed using the NuSTAR Data Analysis Software (NuSTARDAS), jointly developed by the ASI Science Data Center (SSDC, Italy) and the California Institute of Technology (USA). This work made use of data supplied by the UK Swift Science Data Centre at the University of Leicester.
dc.description.urihttp://arxiv.org/abs/2505.13716
dc.format.extent17 pages
dc.genrejournal articles
dc.genrepostprints
dc.identifierdoi:10.13016/m20ao9-lu04
dc.identifier.urihttps://doi.org/10.48550/arXiv.2505.13716
dc.identifier.urihttp://hdl.handle.net/11603/38912
dc.language.isoen_US
dc.relation.isAvailableAtThe University of Maryland, Baltimore County (UMBC)
dc.relation.ispartofUMBC Faculty Collection
dc.relation.ispartofUMBC Center for Space Sciences and Technology (CSST) / Center for Research and Exploration in Space Sciences & Technology II (CRSST II)
dc.rightsThis work was written as part of one of the author's official duties as an Employee of the United States Government and is therefore a work of the United States Government. In accordance with 17 U.S.C. 105, no copyright protection is available for such works under U.S. Law.
dc.rightsPublic Domain
dc.rights.urihttps://creativecommons.org/publicdomain/mark/1.0/
dc.subjectAstrophysics - High Energy Astrophysical Phenomena
dc.titleOrbital Phase-resolved Analysis of X-ray and Gamma-ray Observations of the High-Mass Gamma-ray Binary 4FGL J1405.1-6119
dc.typeText
dcterms.creatorhttps://orcid.org/0000-0002-3396-651X
dcterms.creatorhttps://orcid.org/0000-0002-2413-9301
dcterms.creatorhttps://orcid.org/0000-0003-3540-2870
dcterms.creatorhttps://orcid.org/0000-0002-8548-482X

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