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The search for isolated BH candidates based on kinematics of pulsars - their former companions in disrupted binaries

Published online by Cambridge University Press:  23 June 2017

E. Chmyreva ,
G. Beskin ,
V. Dyachenko  and
S. Karpov
E. Chmyreva
Affiliation:
Special Astrophysical Observatory, Nizhnij Arkhyz, Russia 369167 email: [email protected]
G. Beskin
Affiliation:
Special Astrophysical Observatory, Nizhnij Arkhyz, Russia 369167 email: [email protected]
V. Dyachenko
Affiliation:
Special Astrophysical Observatory, Nizhnij Arkhyz, Russia 369167 email: [email protected]
S. Karpov
Affiliation:
Special Astrophysical Observatory, Nizhnij Arkhyz, Russia 369167 email: [email protected]
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Abstract

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We propose searching for isolated stellar-mass black hole (BH) candidates based on the fact that more than 50% of radio pulsars have originated in binary systems, where the other component could have evolved into a BH prior to the second supernova event of the system, which caused its disruption. We selected isolated, relatively young radio pulsars with known parallaxes and proper motions and traced their trajectories back to their presumed birth locations. These locations were then analyzed for possible BH candidates based on the available positional, photometric, and spectral data. We present the first results for 2 pulsars, J0139+5814 and J0922+0638. Seven BH candidates were selected for further analysis.

Keywords

(stars:) binaries (including multiple): close(stars:) pulsars: general(stars:) pulsars: individual (J0139+5814, J0922+0638)
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 12 , Symposium S324: New Frontiers in Black Hole Astrophysics , September 2016 , pp. 39 - 40
Copyright
Copyright © International Astronomical Union 2017 

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