Up and Down the Black Hole Radio/X-Ray Correlation: The 2017 Mini-outbursts from Swift J1753.5-0127

R. M. Plotkin, J. Bright, J. C.A. Miller-Jones, A. W. Shaw, J. A. Tomsick, T. D. Russell, G. B. Zhang, D. M. Russell, R. P. Fender, J. Homan, P. Atri, F. Bernardini, J. D. Gelfand, F. Lewis, T. M. Cantwell, S. H. Carey, K. J.B. Grainge, J. Hickish, Y. C. Perrott, N. Razavi-GhodsA. M.M. Scaife, P. F. Scott, D. J. Titterington

Research output: Contribution to journalArticlepeer-review


The candidate black hole X-ray binary Swift J1753.5-0127 faded to quiescence in 2016 November after a prolonged outburst that was discovered in 2005. Nearly three months later, the system displayed renewed activity that lasted through 2017 July. Here, we present radio and X-ray monitoring over≈3 months of the renewed activity to study the coupling between the jet and the inner regions of the disk/jet system. Our observations cover low X-ray luminosities that have not historically been well-sampled (LX 2 ×1033- 1036 erg s-1 ; 1-10 keV), including time periods when the system was both brightening and fading. At these low luminosities, Swift J1753.5 -0127 occupies a parameter space in the radio/X-ray luminosity plane that is comparable to "canonical" systems (e.g., GX 339-4), regardless of whether the system was brightening or fading, even though during its ≳11 year outburst, Swift J1753.5-0127 emitted less radio emission from its jet than expected. We discuss implications for the existence of a single radio/X-ray luminosity correlation for black hole X-ray binaries at the lowest luminosities (LX 1035 erg s-1), and we compare to supermassive black holes. Our campaign includes the lowest luminosity quasi-simultaneous radio/X-ray detection to date for a black hole X-ray binary during its rise out of quiescence, thanks to early notification from optical monitoring combined with fast responses from sensitive multiwavelength facilities.

Original languageEnglish (US)
Article number92
JournalAstrophysical Journal
Issue number2
StatePublished - Oct 20 2017


  • X-rays: binaries
  • stars: black holes
  • stars: individual (Swift J1753.5-0127)

ASJC Scopus subject areas

  • Astronomy and Astrophysics
  • Space and Planetary Science


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