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The Galactic path of stellar black holes and neutron stars

Published online by Cambridge University Press:  24 November 2004

Irapuan Rodrigues  and
I. Félix Mirabel
Irapuan Rodrigues
Affiliation:
Instituto de Física, Universidade Federal do Rio Grande do Sul, CP 15001, 91501-970, Porto Alegre, Brazil email: [email protected] Service d'Astrophysique, CEA-Saclay, 91191 Gif-sur-Yvette, France email: [email protected]
I. Félix Mirabel
Affiliation:
Service d'Astrophysique, CEA-Saclay, 91191 Gif-sur-Yvette, France email: [email protected] Instituto de Astronomía y Física del Espacio/Conicet. Bs As, Argentina
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Abstract

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The kinematics of black hole and neutron star X-ray binaries in the Galaxy should help to know their birth place and constrain their evolution. We have used multiple tools of modern astronomy to determine the trajectories in the Galaxy and track the origins of black hole and neutron star X-ray binaries that are of topical interest in astrophysics. We find three distinct classes of black hole and neutron star X-ray binaries: (1) low mass X-ray binaries that move at high velocities on galactocentric orbits similar to the most ancient stars born in the Galactic bulge and the halo, (2) those that move in the Galactic disk along paths that resemble the circular orbits of massive stars formed in the disk, and (3) high and intermediate mass X-ray binaries running away from their parent regions of star formation. Here we discuss some of the cases studied.To search for other articles by the author(s) go to: http://adsabs.harvard.edu/abstract_service.html

Type
POSTERS
Information
Proceedings of the International Astronomical Union , Volume 2004 , Issue IAUS222 , March 2004 , pp. 203 - 204
Copyright
© 2004 International Astronomical Union