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相关论文: GeV Gamma-ray Emission from the Binary PSR B1259-6…

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We report the detection of high energy gamma-ray emission from the young and energetic pulsar PSR B1509$-$58 and its pulsar wind nebula (PWN) in the composite supernova remnant SNR G320.4-1.2 (aka MSH 15-52). Using 1 year of survey data…

高能天体物理现象 · 物理学 2014-11-20 LAT Collaboration , Pulsar Timing Consortium

Since the commissioning of the array in Spring 2007, the VERITAS array (sensitive in the 0.1-50 TeV energy range) has acquired over 300 hours of observations investigating the TeV emission from X-ray binary star systems, in particular…

高能天体物理现象 · 物理学 2019-08-14 Andrew W. Smith

We present the results of precision gamma-ray timing measurements of the binary millisecond pulsar PSR J2339$-$0533, an irradiating system of "redback" type, using data from the Fermi Large Area Telescope. We describe an optimized analysis…

高能天体物理现象 · 物理学 2015-06-30 Holger J. Pletsch , Colin J. Clark

HESS J1356-645 is considered to be a pulsar wind nebula (PWN) associated with the pulsar PSR J1357-6429. We reanalyze the GeV gamma-ray emission in the direction of HESS J1356-645 with more than 13 years of Fermi Large Area Telescope (LAT)…

高能天体物理现象 · 物理学 2023-01-25 Xi Liu , Xiaolei Guo , Yuliang Xin , Fengrong Zhu , Siming Liu

LS I +61$^{\circ}$ 303 is one of the rare gamma-ray binaries, emitting most of their luminosity in photons with energies beyond 100 MeV. The $\sim$26.5 d orbital period is clearly detected at many wavelengths. Additional aspects of its…

We report on a 40ks Chandra observation of the TeV emitting high mass X-ray binary HESS J0632+057 performed in February 2011 during a high-state of X-ray and TeV activity. We have used the ACIS-S camera in Continuos Clocking mode to search…

星系天体物理 · 物理学 2015-05-28 Nanda Rea , Diego F. Torres

We present X-ray observations of the "redback" eclipsing radio millisecond pulsar and candidate radio pulsar/X-ray binary transition object PSR J1723-2837. The X-ray emission from the system is predominantly non-thermal and exhibits…

高能天体物理现象 · 物理学 2015-06-17 Slavko Bogdanov , Paolo Esposito , Fronefield Crawford , Andrea Possenti , Maura A. McLaughlin , Paulo Freire

The discovery of emission of TeV gamma rays from X-ray binaries has triggered an intense effort to better understand the particle acceleration, absorption, and emission mechanisms in compact binary systems. Here we present the pioneering…

We show that TeV gamma-ray emission produced via interactions of high-energy particles with anisotropic radiation field of a massive star in binary systems should have a characteristic rotating hollow cone anisotropy pattern. The hollow…

天体物理学 · 物理学 2009-11-13 A. Neronov , M. Chernyakova

We report the results from X-ray and hard X-ray observations of the PSR B1259-63/SS 2883 system with the ASCA and CGRO satellites, performed between 1995 February and 1996 January when the pulsar was near apastron. The system was clearly…

天体物理学 · 物理学 2009-10-31 M. Hirayama , L. R. Cominsky , V. M. Kaspi , F. Nagase , M. Tavani , N. Kawai , J. E. Grove

The high and very-high energy spectrum of gamma-ray binaries has become a challenge for all theoretical explanations since the detection of powerful, persistent GeV emission from LS 5039 and LS I +61 303 by Fermi/LAT. The spectral cutoff at…

高能天体物理现象 · 物理学 2013-02-13 Víctor Zabalza , Valentí Bosch-Ramon , Felix Aharonian , Dmitry Khangulyan

Although triple systems are common, their orbital dynamics and stellar evolution remain poorly understood. We investigated the V1371 Tau system using TESS photometry, multi-epoch spectroscopy, and recent interferometric data, confirming it…

XTE J1829-098 is a transient X-ray pulsar with a period of ~7.8 s. It is a candidate Be star system, although the evidence for this is not yet definitive. We investigated the twenty-year long X-ray light curve using the Rossi X-ray Timing…

Observing the famous high-mass, eccentric X-ray and gamma-ray binary PSR B1259-63/LS 2883 with Chandra, we detected X-ray emitting clumps moving from the binary with speeds of about 0.1 of the speed of light, possibly with acceleration. The…

高能天体物理现象 · 物理学 2019-03-05 George G. Pavlov , Jeremy Hare , Oleg Kargaltsev

We have analyzed three XMM-Newton observations of the central part of the unidentified TeV \gamma-ray source HESS J1804-216. We focus on two X-ray sources 2XMMi J180442.0-214221 (Src 1) and 2XMMi J180432.5-214009 (Src 2), which were…

高能天体物理现象 · 物理学 2019-08-15 Dacheng Lin , Natalie A. Webb , Didier Barret

We report the discovery of MeV-GeV gamma-ray emission by the Fermi-LAT positionally coincident with the TeV pulsar wind nebula (PWN) HESS~J1554-550 within the host supernova remnant (SNR) G327.1-1.1. The gamma-ray emission is point-like and…

高能天体物理现象 · 物理学 2022-12-07 Jordan Eagle , Daniel Castro , Tea Temim , Jean Ballet , Patrick Slane , Joseph Gelfand , Matthew Kerr , Marco Ajello

The recent discovery of J0737-3039A & B-two pulsars in a highly relativistic orbit around one another - offers an unprecedented opportunity to study the elusive physics of pulsar radio emission. The system contains a rapidly rotating pulsar…

天体物理学 · 物理学 2007-05-23 Fredrick A. Jenet , Scott M. Ransom

Several binary systems, composed of a star and a compact object, have been detected in the GeV-TeV range. Several systems have been observed but only a handful of sources have shown emission at those energies. Here, we present the…

Galaxy clusters could produce gamma-rays from inverse Compton scattering of cosmic ray electrons or hadronic interactions of cosmic ray protons with the intracluster medium. It is still an open question on whether gamma-ray emission ($>$…

高能天体物理现象 · 物理学 2024-01-12 Siddhant Manna , Shantanu Desai

As the TeV halos around Geminga and PSR B0656+14 have been confirmed by HAWC, slow diffusion of cosmic rays could be general around pulsars, and the cosmic positron spectrum from pulsars could be significantly changed. As a consequence, the…

高能天体物理现象 · 物理学 2020-04-07 Kun Fang , Xiao-Jun Bi , Peng-Fei Yin
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