The high energy X-ray probe (HEX-P): Resolving the nature of Sgr A* flares, compact object binaries and diffuse X-ray emission in the Galactic center and beyond

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dc.contributor.authorMori, Kaya
dc.contributor.authorPonti, Gabriele
dc.contributor.authorBachetti, Matteo
dc.contributor.authorBodaghee, Arash
dc.contributor.authorGrindlay, Jonathan
dc.contributor.authorHong, Jaesub
dc.contributor.authorKrivonos, Roman
dc.contributor.authorKuznetsova, Ekaterina
dc.contributor.authorMandel, Shifra
dc.contributor.authorRodriguez, Antonio
dc.contributor.authorStel, Giovanni
dc.contributor.authorZhang, Shuo
dc.contributor.authorBao, Tong
dc.contributor.authorBauer, Franz
dc.contributor.authorClavel, Maica
dc.contributor.authorCoughenour, Benjamin
dc.contributor.authorGarcia, Javier A.
dc.contributor.authorGerber, Julian
dc.contributor.authorGrefenstette, Brian
dc.contributor.authorJaodand, Amruta
dc.contributor.authorLehmer, Bret
dc.contributor.authorMadsen, Kristin
dc.contributor.authorNynka, Melania
dc.contributor.authorPredehl, Peter
dc.contributor.authorSalcedo, Ciro
dc.contributor.authorStern, Daniel
dc.contributor.authorTomsick, John
dc.date.accessioned2025-01-20T17:09:22Z
dc.date.available2025-01-20T17:09:22Z
dc.date.issued2024
dc.description.abstractHEX-P is a probe-class mission concept that will combine high spatial resolution X-ray imaging (<10 '' FWHM) and broad spectral coverage (0.2-80 keV) with an effective area far superior to current facilities' (including XMM-Newton and NuSTAR). These capabilities will enable revolutionary new insights into a variety of important astrophysical problems. We present scientific objectives and simulations of HEX-P observations of the Galactic Center (GC) and Bulge. We demonstrate the unique and powerful capabilities of the HEX-P observatory for studying both X-ray point sources and diffuse X-ray emission. HEX-P will be uniquely equipped to explore a variety of major topics in Galactic astrophysics, allowing us to 1) investigate broad-band properties of X-ray flares emitted from the supermassive black hole (BH) at Sgr A* and probe the associated particle acceleration and emission mechanisms; 2) identify hard X-ray sources detected by NuSTAR and determine X-ray point source populations in different regions and luminosity ranges; 3) determine the distribution of compact object binaries in the nuclear star cluster and the composition of the Galactic Ridge X-ray emission; 4) identify X-ray transients and measure fundamental parameters such as black hole spin; 5) find hidden pulsars in the Galactic Center; 6) search for BH-OB binaries and hard X-ray flares from young stellar objects in young massive clusters; 7) measure white dwarf (WD) masses of magnetic CVs to deepen our understanding of CV evolution and the origin of white dwarf magnetic fields; 8) explore primary particle accelerators in the GC in synergy with future TeV and neutrino observatories; 9) map out cosmic-ray distributions by observing non-thermal X-ray filaments; 10) explore past X-ray outbursts from Sgr A* through X-ray reflection components from giant molecular clouds.
dc.fuente.origenWOS
dc.identifier.doi10.3389/fspas.2023.1292130
dc.identifier.issn2296-987X
dc.identifier.urihttps://doi.org/10.3389/fspas.2023.1292130
dc.identifier.urihttps://repositorio.uc.cl/handle/11534/91036
dc.identifier.wosidWOS:001154893300001
dc.language.isoen
dc.revistaFrontiers in astronomy and space sciences
dc.rightsacceso restringido
dc.subjectgalaxy: centre
dc.subjectblack hole physics
dc.subjectX-rays: binaries
dc.subjectstars: cataclysmic variables
dc.subjectaccretion
dc.subjectacceleration of particles
dc.subjectpulsars: general
dc.titleThe high energy X-ray probe (HEX-P): Resolving the nature of Sgr A* flares, compact object binaries and diffuse X-ray emission in the Galactic center and beyond
dc.typeartículo
dc.volumen10
sipa.indexWOS
sipa.trazabilidadWOS;2025-01-12
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