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No evidence for a low-mass black hole in Swift J1753.5-0127

No evidence for a low-mass black hole in Swift J1753.5-0127
No evidence for a low-mass black hole in Swift J1753.5-0127
We present high-resolution, time-resolved optical spectroscopy of the black hole X-ray transient Swift J1753.5−0127. Our optical spectra do not show features that we can associate with the companion star. However we do observe broad, double-peaked emission lines, typical of an accretion disc. We show that the mass of the compact object is likely >7.4 ± 1.2 M⊙, much higher than previous suggestions of a low-mass (<5 M⊙) black hole.
0035-8711
1314-1322
Shaw, A.W.
ec30710a-0499-4f4f-9685-4510f75efe79
Charles, P.A.
0429b380-0754-4dc1-8def-885c7fa6a086
Casares, J.
e57ae499-4f86-421a-bcb1-67d17d2bcbfc
Hernandez Santisteban, J.V.
115e9657-d594-487b-b871-5c61cc32f692
Shaw, A.W.
ec30710a-0499-4f4f-9685-4510f75efe79
Charles, P.A.
0429b380-0754-4dc1-8def-885c7fa6a086
Casares, J.
e57ae499-4f86-421a-bcb1-67d17d2bcbfc
Hernandez Santisteban, J.V.
115e9657-d594-487b-b871-5c61cc32f692

Shaw, A.W., Charles, P.A., Casares, J. and Hernandez Santisteban, J.V. (2016) No evidence for a low-mass black hole in Swift J1753.5-0127. Monthly Notices of the Royal Astronomical Society, 463 (2), 1314-1322. (doi:10.1093/mnras/stw2092).

Record type: Article

Abstract

We present high-resolution, time-resolved optical spectroscopy of the black hole X-ray transient Swift J1753.5−0127. Our optical spectra do not show features that we can associate with the companion star. However we do observe broad, double-peaked emission lines, typical of an accretion disc. We show that the mass of the compact object is likely >7.4 ± 1.2 M⊙, much higher than previous suggestions of a low-mass (<5 M⊙) black hole.

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1608.04969 - Accepted Manuscript
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Accepted/In Press date: 17 August 2016
e-pub ahead of print date: 19 August 2016
Published date: 1 December 2016
Organisations: Physics & Astronomy

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Local EPrints ID: 406811
URI: http://eprints.soton.ac.uk/id/eprint/406811
ISSN: 0035-8711
PURE UUID: bef42f16-83c7-4b97-a367-9ea097208347

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Date deposited: 22 Mar 2017 02:09
Last modified: 06 Oct 2020 17:24

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