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Results of a Search for New Microquasars in the Galaxy

Published online by Cambridge University Press:  22 February 2018

M. Ribó
Affiliation:
Service d'Astrophysique, CEA Saclay, Bât. 709, L'Orme des Merisiers, 91191 Gif-sur-Yvette, Cedex, France
J. M. Paredes
Affiliation:
Universitat de Barcelona, Barcelona, Spain
J. Martí
Affiliation:
Universidad de Jaén, Jaén, Spain
J. Casares
Affiliation:
Instituto de Astrofísica de Canarias, La Laguna, Spain
J. S. Bloom
Affiliation:
Harvard Society of Fellows, Cambridge USA Harvard-Smithsonian CfA, Cambridge USA
E. E. Falco
Affiliation:
F L. Whipple Observatory, Amado USA
E. Ros
Affiliation:
MPIfR, Bonn, Germany
M. Massi
Affiliation:
MPIfR, Bonn, Germany
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Abstract

We present here the results of a search for new microquasars at low galactic latitudes, based on a cross-identification between the ROSAT all sky Bright Source Catalog (RBSC) and the NRAO VLA Sky Survey (NVSS) and follow-up observations. The results obtained up to now suggest that persistent/silent microquasars such as LS 5039 are rare objects in our Galaxy, and indicate that future deeper surveys, and harder than the RBSC in X-rays, will play a fundamental role in order to discover them.

Resumen

Resumen

Presentamos los resultados de una búsqucda do nuevos microcuasares on bajas latitudes galácticas con base en una identificación cruzada entre el ROSAT Bright Source Catalogue (RBSC) do todo el cielo y NRAO VLA Sky Survey (NVSS) y las observaciones do seguimiento. Los resultados obtenidos hasta ahora sugieren que los microcuasares persistentes/silenciosos tales como LS-5039 son objetos raros on nuostra Galaxia e indican quе exploraciones futuras a mayores profundidades y en rayos X más duros que los del RBSC jugarán un papol fundamental en su descubrimiento.

Type
The Contributed Papers
Copyright
Copyright © Instituto de astronomia/revista mexicana de astronomίa y astrofίsica 2004

References

Condon, J. J., Cotton, W. D., Greisen, E. W., et al. 1998, AJ, 115, 1693 CrossRefGoogle Scholar
Fender, R. P. 2004, in ‘Compact Stellar X-Ray Sources’, eds. Lewin, W. H. G. & van der Klis, M., Cambridge University Press, in press [astro-ph/0303339]Google Scholar
Martí, J., Paredes, J. M., Bloom, J. S., Casares, J., Ribó, M., & Falco, E. E. 2004, A&A, 413, 309 Google Scholar
Mirabel, I. F., & Rodríguez, L. F. 1999, ARA&A, 37, 409 CrossRefGoogle Scholar
Paredes, J. M., Ribó, M., & Martí, J. 2002, A&A, 394, 193 Google Scholar
Ribó, M., Ros, E., Paredes, J. M., Massi, M., & Martí, J. 2002, A&A, 394, 983 Google Scholar
Voges, W., Aschenbach, B., Boiler, Th., et al. 1999, A&A, 349, 389 Google Scholar
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