Maria Cristina Baglio
A Wildly Flickering Jet in the Black Hole X-Ray Binary MAXI J1535–571
Cristina Baglio, Maria; Russell, David M.; Casella, Piergiorgio; Al Noori, Hind; Al Yazeedi, Aisha; Belloni, Tomaso; Buckley, David A.H.; Cadolle Bel, Marion; Ceccobello, Chiara; Corbel, Stephane; Coti Zelati, Francesco; Díaz Trigo, Maria; Fender, Rob P.; Gallo, Elena; Gandhi, Poshak; Homan, Jeroen; Koljonen, Karri I.I.; Lewis, Fraser; Maccarone, Thomas J.; Malzac, Julien; Markoff, Sera; Miller-Jones, James C.A.; O’Brien, Kieran; Russell, Thomas D.; Saikia, Payaswini; Shahbaz, Tariq; Sivakoff, Greg R.; Soria, Roberto; Testa, Vincenzo; Tetarenko, Alexandra J.; van den Ancker, Mario E.; Vincentelli, Federico M.
Authors
David M. Russell
Piergiorgio Casella
Hind Al Noori
Aisha Al Yazeedi
Tomaso Belloni
David A.H. Buckley
Marion Cadolle Bel
Chiara Ceccobello
Stephane Corbel
Francesco Coti Zelati
Maria Díaz Trigo
Rob P. Fender
Elena Gallo
Poshak Gandhi
Jeroen Homan
Karri I.I. Koljonen
Fraser Lewis
Thomas J. Maccarone
Julien Malzac
Sera Markoff
James C.A. Miller-Jones
Professor Kieran Obrien kieran.s.obrien@durham.ac.uk
Professor
Thomas D. Russell
Payaswini Saikia
Tariq Shahbaz
Greg R. Sivakoff
Roberto Soria
Vincenzo Testa
Alexandra J. Tetarenko
Mario E. van den Ancker
Federico M. Vincentelli
Abstract
We report on the results of optical, near-infrared (NIR), and mid-infrared observations of the black hole X-ray binary candidate (BHB) MAXI J1535–571 during its 2017/2018 outburst. During the first part of the outburst (MJD 58004–58012), the source shows an optical–NIR spectrum that is consistent with an optically thin synchrotron power law from a jet. After MJD 58015, however, the source faded considerably, the drop in flux being much more evident at lower frequencies. Before the fading, we measure a dereddened flux density of gsim100 mJy in the mid-infrared, making MAXI J1535–571 one of the brightest mid-infrared BHBs known so far. A significant softening of the X-ray spectrum is evident contemporaneous with the infrared fade. We interpret it as being due to the suppression of the jet emission, similar to the accretion–ejection coupling seen in other BHBs. However, MAXI J1535–571 did not transition smoothly to the soft state, instead showing X-ray hardness deviations associated with infrared flaring. We also present the first mid-IR variability study of a BHB on minute timescales, with a fractional rms variability of the light curves of ~15%–22%, which is similar to that expected from the internal shock jet model, and much higher than the optical fractional rms (lesssim7%). These results represent an excellent case of multiwavelength jet spectral timing and demonstrate how rich, multiwavelength time-resolved data of X-ray binaries over accretion state transitions can help in refining models of the disk–jet connection and jet launching in these systems.
Citation
Cristina Baglio, M., Russell, D. M., Casella, P., Al Noori, H., Al Yazeedi, A., Belloni, T., …Vincentelli, F. M. (2018). A Wildly Flickering Jet in the Black Hole X-Ray Binary MAXI J1535–571. Astrophysical Journal, 867(2), Article 114. https://doi.org/10.3847/1538-4357/aae532
Journal Article Type | Article |
---|---|
Acceptance Date | Sep 28, 2018 |
Online Publication Date | Nov 6, 2018 |
Publication Date | Nov 6, 2018 |
Deposit Date | Nov 22, 2018 |
Publicly Available Date | Nov 22, 2018 |
Journal | Astrophysical Journal |
Print ISSN | 0004-637X |
Publisher | American Astronomical Society |
Peer Reviewed | Peer Reviewed |
Volume | 867 |
Issue | 2 |
Article Number | 114 |
DOI | https://doi.org/10.3847/1538-4357/aae532 |
Public URL | https://durham-repository.worktribe.com/output/1342720 |
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Copyright Statement
© 2018. The American Astronomical Society. All rights reserved.
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