SIMBAD references

2002MNRAS.332..689B - Mon. Not. R. Astron. Soc., 332, 689-696 (2002/May-3)

A possible detection mechanism for pre-low-mass X-ray binaries.


Abstract (from CDS):

This work presents a possible detection mechanism for close, detached, neutron star-red dwarf binaries, which are expected to be the evolutionary precursors of low-mass X-ray binaries (LMXBs). Although this pre-low-mass X-ray binary (pre-LMXB) phase of evolution is predicted theoretically, as yet no such systems have been identified observationally. The calculations presented here suggest that the X-ray luminosity of neutron star wind accretion in a pre-LMXB system can be expected to exceed the intrinsic X-ray luminosity of the red dwarf secondary star. Furthermore, the temperature of the radiation emitted from the neutron star wind accretion process is expected, within the confines of a reasonable set of conditions, to lie within the detection range of X-ray satellites. Sources with X-ray luminosities greater than that expected for a red dwarf star, but the positions of which coincide with that of a red dwarf star, are then candidate pre-LMXB systems. These candidate systems should be surveyed for the radial velocity shifts that would occur as a result of the orbital motion of a red dwarf star within a close binary system containing a high-mass compact object.

Abstract Copyright: 2002 Blackwell Science Ltd

Journal keyword(s): binaries: close - stars: neutron - X-rays: stars

CDS comments: Table 6: Coordinates of objects in source 2 are 1950 coordinates.

Simbad objects: 29

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