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Discovery of correlated optical/X-ray quasi-periodic oscillations in black hole binary SWIFT J1753.5-0127

Discovery of correlated optical/X-ray quasi-periodic oscillations in black hole binary SWIFT J1753.5-0127
Discovery of correlated optical/X-ray quasi-periodic oscillations in black hole binary SWIFT J1753.5-0127
We report the discovery of the correlated optical/X-ray low-frequency quasi-periodic oscillations (QPOs) in black hole binary SWIFT J1753.5–0127. The phase lag between two light curves at the QPO frequency is close to zero. This result puts strong constraints on the nature of the optical emission in this object and on the origin of the QPOs in general. We demonstrate that the QPO signal and the broad-band variability can be explained in terms of the hot accretion flow radiating in both optical and X-ray bands. In this model, the QPO appears due to the Lense–Thirring precession of entire flow, while the broad-band variability in the optical is produced by two components: the hot flow and the irradiated disc. Using the phase-lag spectra, we put a lower limit on the orbital inclination i ? 50°, which can be used to constrain the mass of the compact object.
accretion, accretion discs, black hole physics, stars, individual, SWIFT J1753.5-0127, x-rays, binaries
0035-8711
2855-2862
Veledina, Alexandra
6235d7df-e2e2-4c4b-907b-a5cafafe60ce
Revnivtsev, Mikhail G.
e354c567-435c-4b11-8c15-a52ea67261b3
Durant, Martin
d3723db5-52eb-44f6-a08f-361ace0b7698
Gandhi, Poshak
5bc3b5af-42b0-4dd8-8f1f-f74048d4d4a9
Poutanen, Juri
93d3d495-82be-485b-b463-9956913f78a0
Veledina, Alexandra
6235d7df-e2e2-4c4b-907b-a5cafafe60ce
Revnivtsev, Mikhail G.
e354c567-435c-4b11-8c15-a52ea67261b3
Durant, Martin
d3723db5-52eb-44f6-a08f-361ace0b7698
Gandhi, Poshak
5bc3b5af-42b0-4dd8-8f1f-f74048d4d4a9
Poutanen, Juri
93d3d495-82be-485b-b463-9956913f78a0

Veledina, Alexandra, Revnivtsev, Mikhail G., Durant, Martin, Gandhi, Poshak and Poutanen, Juri (2015) Discovery of correlated optical/X-ray quasi-periodic oscillations in black hole binary SWIFT J1753.5-0127. Monthly Notices of the Royal Astronomical Society, 454 (3), 2855-2862. (doi:10.1093/mnras/stv2201).

Record type: Article

Abstract

We report the discovery of the correlated optical/X-ray low-frequency quasi-periodic oscillations (QPOs) in black hole binary SWIFT J1753.5–0127. The phase lag between two light curves at the QPO frequency is close to zero. This result puts strong constraints on the nature of the optical emission in this object and on the origin of the QPOs in general. We demonstrate that the QPO signal and the broad-band variability can be explained in terms of the hot accretion flow radiating in both optical and X-ray bands. In this model, the QPO appears due to the Lense–Thirring precession of entire flow, while the broad-band variability in the optical is produced by two components: the hot flow and the irradiated disc. Using the phase-lag spectra, we put a lower limit on the orbital inclination i ? 50°, which can be used to constrain the mass of the compact object.

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More information

Accepted/In Press date: 20 September 2015
e-pub ahead of print date: 14 October 2015
Published date: 11 December 2015
Keywords: accretion, accretion discs, black hole physics, stars, individual, SWIFT J1753.5-0127, x-rays, binaries
Organisations: Astronomy Group

Identifiers

Local EPrints ID: 400032
URI: http://eprints.soton.ac.uk/id/eprint/400032
ISSN: 0035-8711
PURE UUID: 7fa9ac2c-63e5-44eb-b5ef-02e9e37509ad
ORCID for Poshak Gandhi: ORCID iD orcid.org/0000-0003-3105-2615

Catalogue record

Date deposited: 07 Sep 2016 09:32
Last modified: 17 Dec 2019 01:34

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Contributors

Author: Alexandra Veledina
Author: Mikhail G. Revnivtsev
Author: Martin Durant
Author: Poshak Gandhi ORCID iD
Author: Juri Poutanen

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