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Mass of the compact object in the Be/gamma-ray binaries LSI+61303 and MWC 148

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arxiv 1702.06947 v1 pith:GFOBRE3V submitted 2017-02-22 astro-ph.HE astro-ph.SR

R. K. Zamanov , J. Marti , M. T. Garcia-Hernandez This is my paper · ORCID
classification astro-ph.HEastro-ph.SR
keywords compactmassobjectbinariesfindgamma-rayorbitalplane
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We estimate the mass of the compact object in the gamma-ray binaries LSI+61303 and MWC 148, using the latest data for the inclination, orbital motion and assuming that the orbital plane coincides with the equatorial plane of the Be star. For LSI+61303 we find the mass of the compact object to be most likely in the range 1.3 M_sun < M_2 < 2.0 M_sun, which means that it is probably a neutron star. For MWC 148, we find the mass of the compact object in a higher range, 2.1 M_sum < M_2 < 7.3 M_sun, which increases the chances for this system to host a black hole companion.

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  1. Combined VERITAS and NuSTAR observations of the gamma-ray binary HESS J0632+057

    astro-ph.HE 2019-08 conditional novelty 5.0 of 10

    New NuSTAR and VERITAS spectra of HESS J0632+057 are well fitted by a pulsar-wind shock model, yielding a degenerate constraint with wind magnetization around 0.003 to 0.03 at the shock.

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