Formation of the black-hole binary M33 X-7 through mass exchange in a tight massive system

Francesca Valsecchi (), Evert Glebbeek, Will M. Farr, Tassos Fragos, Bart Willems, Jerome A. Orosz, Jifeng Liu and Vassiliki Kalogera
Additional contact information
Francesca Valsecchi: Northwestern University
Evert Glebbeek: McMaster University
Will M. Farr: Northwestern University
Tassos Fragos: Northwestern University
Bart Willems: Northwestern University
Jerome A. Orosz: San Diego State University
Jifeng Liu: National Astronomical Observatories
Vassiliki Kalogera: Northwestern University

Nature, 2010, vol. 468, issue 7320, 77-79

Abstract: A powerful X-ray source explained The binary X-ray source X-7 in the nearby galaxy M33 has proved a challenge to theorists trying to explain its evolutionary history. Until now it has not been possible to account for the massive components and the tight orbit of the system relative to the size of the large hydrogen-rich companion star orbiting the rapidly spinning black hole. Valsecchi et al. now report simulations of evolutionary tracks that reveal that if M33 X-7 started as a primary of 85–99 solar masses and a secondary of 28–32, in a 2.8–3.1 day orbit, its properties can be consistently explained. In support of the new model, the various phases for the evolutionary past of M33 X-7 have been observed in other binaries.

Date: 2010
References: Add references at CitEc
Citations:

Downloads: (external link)
https://www.nature.com/articles/nature09463 Abstract (text/html)
Access to the full text of the articles in this series is restricted.

Related works:
This item may be available elsewhere in EconPapers: Search for items with the same title.

Export reference: BibTeX RIS (EndNote, ProCite, RefMan) HTML/Text

Persistent link: https://EconPapers.repec.org/RePEc:nat:nature:v:468:y:2010:i:7320:d:10.1038_nature09463

Ordering information: This journal article can be ordered from
https://www.nature.com/

DOI: 10.1038/nature09463

Access Statistics for this article

Nature is currently edited by Magdalena Skipper

More articles in Nature from Nature
Bibliographic data for series maintained by Sonal Shukla () and Springer Nature Abstracting and Indexing ().