A black hole in the X-ray transient XTE J1859+226: the first confirmed with GTC

Corral-Santana J. M.; Casares J.; Shahbaz T.; Zurita C.; Martínez-Pais I. G.; Rodríguez-Gil P.

Vol. 42 No. 1 (2013), Contributions

Vol. 42 No. 1 (2013)

Contributions

A black hole in the X-ray transient XTE J1859+226: the first confirmed with GTC

Corral-Santana J. M.⁺⁻
Casares J.⁺⁻
Shahbaz T.⁺⁻
Zurita C.⁺⁻
Martínez-Pais I. G.⁺⁻
Rodríguez-Gil P.⁺⁻

Corral-Santana J. M.

Instituto de Astrofísica de Canarias, c/Vía Láctea s/n, La Laguna, E-38205, Tenerife, Spain.

0000-0003-1038-9104

Casares J.

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Shahbaz T.

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Zurita C.

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Martínez-Pais I. G.

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Rodríguez-Gil P.

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Keywords

accretion
accretion disks
binaries: close
stars: Individual: XTE J1859+226 (=V406 Vul)
X-rays: binaries

How to Cite

A black hole in the X-ray transient XTE J1859+226: the first confirmed with GTC. (2013). Revista Mexicana De Astrofísica Y Astronomía Serie De Conferencias, 42(1), 3-4. https://astronomia.unam.mx/journals/rmxac/article/view/2013rmxac..42....3c

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Abstract

We present the results of the analysis of the first black hole confirmed with GTC in the X-ray binary system XTE J1859+226. By combining optical photometry taken with the INT, WHT and NOT with long-slit spectroscopy with OSIRIS+GTC, we have obtained an orbital period of 6.58 h, a secondary star radial velocity amplitude of K_2=541±70 km s^-1 and an upper limit to the inclination of 70°, implying a black hole mass of at least 5.4 M⊙.

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A black hole in the X-ray transient XTE J1859+226: the first confirmed with GTC

Keywords

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