Structure of pair winds from compact objects with application to emission from bare strange stars

Details Structure of pair winds from compact objects with application to emission from bare strange stars Structure of pair winds from compact objects with application to emission from bare strange stars

2006-06-25

arxiv.org/abs/astro-ph/0606613v2

Astrophys.SpaceSci.308:613-617,2007

Astronomy and Astrophysics

Astrophysics

4 pages, 6 figures, 1 table, added references, to appear in the proceedings of the conference "Isolated Neutron Stars: from th

Scientific paper

10.1007/s10509-007-9374-2

We present the results of numerical simulations of stationary, spherically outflowing, electron-positron pair winds, with total luminosities in the range 10^{34}- 10^{42} ergs/s. In the concrete example described here, the wind injection source is a hot, bare, strange star, predicted to be a powerful source of electron-positron pairs created by the Coulomb barrier at the quark surface. We find that photons dominate in the emerging emission, and the emerging photon spectrum is rather hard and differs substantially from the thermal spectrum expected from a neutron star with the same luminosity. This might help distinguish the putative bare strange stars from neutron stars.

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