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PSR B1259-63 is a 47ms radio pulsar with a high spin-down luminosity which is in a close, highly eccentric 3.5-year orbit about a bright stellar companion. The binary system may be a detectable source of hard gamma-rays produced by inverse…

Astrophysics · Physics 2009-10-31 Lewis Ball , Jennifer Dodd

We derive light curves for the hard gamma-ray emission, at energies up to several TeV, expected from the unique pulsar/Be-star binary system PSR B1259-63. This is the only known system in our galaxy in which a radio pulsar is orbiting a…

Astrophysics · Physics 2011-05-23 J. G. Kirk , Lewis Ball , Olaf Skjaeraasen

(abridged) Gamma-ray binaries are massive stars with compact object companions that are observed to emit most of their energy in the gamma-ray range. One of these binaries is known to contain a radio pulsar, PSR B1259-63. Synchrotron and…

High Energy Astrophysical Phenomena · Physics 2015-05-27 Jérôme Pétri , Guillaume Dubus

The binary system PSR B1259-63 consists of a 48 ms pulsar in a 3.4 year orbit around a Be star and unpulsed TeV gamma-ray emission has been detected near previous periastron passages. A likely source of the gamma-rays is the inverse Compton…

High Energy Astrophysical Phenomena · Physics 2015-05-20 B. van Soelen , P. J. Meintjes

The spectral energy distribution from the X-ray to the very high energy regime ($>100$ GeV) has been investigated for the $\gamma$-ray binary system PSR B1259-63/SS2883 as a function of orbital phase within the framework of a simple model…

High Energy Astrophysical Phenomena · Physics 2009-08-11 Jumpei Takata , Ronald E. Taam

The gamma-ray binary system PSR B1259-63 consists of a 48 ms pulsar orbiting a Be star. The system is particularly interesting because it is the only gamma-ray binary system where the nature of the compact object is known. The non-thermal…

High Energy Astrophysical Phenomena · Physics 2017-08-30 B. van Soelen , P. J. Meintjes , A. Odendaal , L. J. Townsend

Binary pulsar systems emit potentially detectable components of gamma ray emission due to Comptonization of the optical radiation of the companion star by relativistic electrons of the pulsar wind, both before and after termination of the…

High Energy Astrophysical Phenomena · Physics 2015-05-27 Dmitry Khangulyan , Felix Aharonian , Sergey Bogovalov , Marc Ribó

LS 5039 and LSI +61$\degr$303 are two binaries that have been detected in the TeV energy domain. These binaries are composed of a massive star and a compact object, possibly a young pulsar. The gamma-ray emission would be due to particle…

Astrophysics · Physics 2009-11-13 Benoit Cerutti , Guillaume Dubus , Gilles Henri

We observed PSR B1259-63, a young non-accreting pulsar orbiting around a Be star SS 2883, eight times with the Suzaku satellite in 2007, to characterize the X-ray emission arising from the interaction between a pulsar relativistic wind and…

High Energy Astrophysical Phenomena · Physics 2011-02-11 Yasunobu Uchiyama , Takaaki Tanaka , Tadayuki Takahashi , Koji Mori , Kazuhiro Nakazawa

The gamma-ray binary system PSR B1259-63 has recently passed through periastron and has been of particular interest as it was observed by Fermi near the December 2010 periastron passage. The system has been detected at very high energies…

High Energy Astrophysical Phenomena · Physics 2015-06-03 B. van Soelen , P. J. Meintjes

The hydrodynamics of the interaction of pulsar and stellar winds in binary systems harboring a pulsar and its impact on the nonthermal radiation of the binary pulsar PSR B1259-63/SS2883 is discussed. The collision of an ultrarelativistic…

Consider binary system with a millisecond pulsar ejecting relativistic particles and an optical star emitting soft photons with the energy $\omega \simeq 1-10$ eV. These low-energy photons are scattered by the relativistic electrons and…

Astrophysics · Physics 2009-10-30 M. A. Chernyakova , A. F. Illarionov

We consider resonant inverse Compton scattering of thermal photons by secondary particles above the pulsar polar gap. The process appears to be an essential energy loss mechanism for the particles. The distribution function of the secondary…

Astrophysics · Physics 2007-05-23 Y. E. Lyubarskii , S. A. Petrova

Binaries hosting a massive star and a non-accreting pulsar are powerful non-thermal emitters due to the interaction of the pulsar and the stellar wind. The winds of massive stars are thought to be inhomogeneous, which could have an impact…

High Energy Astrophysical Phenomena · Physics 2017-01-25 Víctor M. de la Cita , Valentí Bosch-Ramon , Xavier Paredes-Fortuny , Dmitry Khangulyan , Manel Perucho

LS 5039 and LSI +61 303 are unique amongst high-mass X-ray binaries (HMXB) for their spatially-resolved radio emission and their counterpart at >GeV gamma-ray energies, canonically attributed to non-thermal particles in an accretion-powered…

Astrophysics · Physics 2009-11-11 Guillaume Dubus

We study the inverse Compton scattering of solar photons by Galactic cosmic-ray electrons. We show that the gamma-ray emission from this process is substantial with the maximum flux in the direction of the Sun; the angular distribution of…

Astrophysics · Physics 2011-02-11 Igor V. Moskalenko , Troy A. Porter , Seth W. Digel

The magnetized induced Compton scattering off the particles of the ultrarelativistic electron-positron plasma of pulsar is considered. The main attention is paid to the transverse regime of the scattering, which holds in a moderately strong…

Astrophysics · Physics 2009-11-13 S. A. Petrova

The inverse Compton scattering of ultrarelativistic electrons accelerated at the pulsar wind termination shock is believed to be responsible for TeV gamma-ray signal recently reported from the binary system PSR B1259-63/SS2883. While this…

Astrophysics · Physics 2009-11-11 Dmitry Khangulyan , Slavomir Hnatic , Felix Aharonian , Sergey Bogovalov

We argue that the bright flare of the binary pulsar \object{PSR B1259$-$63/LS2883} detected by the {\it Fermi} Large Area Telescope (LAT), is due to the inverse Compton (IC) scattering of the unshocked electron-positron pulsar wind with a…

High Energy Astrophysical Phenomena · Physics 2012-05-29 D. Khangulyan , F. A. Aharonian , S. V. Bogovalov , M. Ribo

Hard, non-thermal, persistent pulsed X-ray emission extending between 10 keV and $\sim 150$ keV has been observed in nearly ten magnetars. For inner-magnetospheric models of such emission, resonant inverse Compton scattering of soft thermal…

High Energy Astrophysical Phenomena · Physics 2018-02-28 Zorawar Wadiasingh , Matthew G. Baring , Peter L. Gonthier , Alice K. Harding
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