Multiwavelength spectral and high time resolution observations of SWIFT J1753.5-0127: new activity?

Abstract

We have conducted an extensive observational campaign of SWIFT J1753.5-0127 during June 2007 after its bright outburst episode in 2005. We have performed multi-band optical photometry, optical spectroscopy, X-ray spectroscopy and timing and ULTRACAM optical photometry simultaneously in three bands. Both the optical spectrum and the X-ray spectrum, along with enhanced brightness in broad-band photometry point to recent increased activity. We analyze the different spectral regions, finding a smooth optical continuum with a remarkable lack of lines and a very blue component modulated with a period of 3.2hr and a hard power-law X-ray spectrum. Both the X-ray and optical power spectra are flat at low frequencies up to the 0.1 Hz (10 s) range, then decreasing roughly as a power law consistent with flickering. Furthermore, the optical data show quasi-periodic oscillations (QPOs) near 0.08 Hz (13 s). Together with a dynamical and auto-correlation analysis of the light curves we attempt to construct a complete physical picture of this intriguing system.

arXiv comment20 pages. Accepted for publication in MNRAS

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• Furiously Fast and Red: Sub-second Optical Flaring in V404 Cyg during the 2015 Outburst Peak
• Detection of the first infra-red quasi periodic oscillation in a black hole X-ray binary
• Spectroscopic evidence for a low-mass black hole in SWIFT J1753.5-0127
• Investigating the disc-jet coupling in accreting compact objects using the black hole candidate Swift J1753.5-0127
• The flux-dependent rms variability of X-ray binaries in the optical
• A complex state transition from the black hole candidate Swift J1753.5-0127
• Black Holes in Short Period X-ray Binaries and the Transition to Radiatively Inefficient Accretion
• High time resolution optical/X-ray cross-correlations for X-ray binaries: anti-correlations and rapid variability
• A low-luminosity soft state in the short period black hole X-ray binary Swift J1753.5-0127
• Multiwavelength Observations of Swift J1753.5-0127
• Expanding hot flow in the black hole binary SWIFT J1753.5-0127: evidence from optical timing
• Discovery of correlated optical/X-ray quasi-periodic oscillations in black hole binary SWIFT J1753.5-0127
• Suzaku broadband spectroscopy of Swift J1753.5-0127 in the Low-Hard State
• Accretion flow diagnostics with X-ray spectral-timing: the hard state of SWIFT J1753.5-0127
• Up and Down the Black Hole Radio/X-ray Correlation: the 2017 mini-outbursts from Swift J1753.5-0127
• No evidence for a low-mass black hole in Swift J1753.5-0127
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• A 420 day X-ray/optical modulation and extended X-ray dips in the short-period transient Swift J1753.5-0127
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• The Accreting Black Hole Swift J1753.5-0127 from Radio to Hard X-Ray
• Simultaneous Optical/X-ray study of GS 1354-64 (=BW Cir) during hard outburst: evidence for optical cyclo-synchrotron emission from the hot accretion flow
• Reprocessing model for the optical quasi-periodic oscillations in black hole binaries
• Discovery and evolution of the new black hole candidate Swift J1539.2-6227 during its 2008 outburst
• Optical and X-ray Correlations During the 2015 Outburst of the Black Hole V404 Cyg
• Colors and patterns of black hole X-ray binary GX 339-4
• Optical and Near-Infrared Spectroscopy of the Black Hole Swift J1753.5-0127
• Probing black-hole accretion through time variability
• Fast X-ray/IR observations of the black hole transient Swift~J1753.5--0127: from an IR lead to a very long jet lag
• Ultraviolet spectroscopy of the black hole X-ray binary MAXI J1820+070 across a state transition
• Long-Term Monitoring of the Black Hole Candidate Swift J1753.5-0127 with INTEGRAL/SPI
• Optical and X-ray timing analysis of the 2018-2020 outburst and rebrightening of the black-hole transient MAXI J1820+070
• A self-shadowing black hole accretion disk at sub-Eddington luminosities