Rapid compact jet quenching in the Galactic black hole candidate X-ray binary MAXI J1535-571
Artikel i vetenskaplig tidskrift, 2020

We present results from six epochs of quasi-simultaneous radio, (sub-)millimetre, infrared, optical, and X-ray observations of the black hole X-ray binary MAXI J1535-571. These observations show that as the source transitioned through the hard-intermediate X-ray state towards the soft-intermediate X-ray state, the jet underwent dramatic and rapid changes. We observed the frequency of the jet spectral break, which corresponds to the most compact region in the jet where particle acceleration begins (higher frequencies indicate closer to the black hole), evolves from the infrared band into the radio band (decreasing by approximate to 3 orders of magnitude) in less than a day. During one observational epoch, we found evidence of the jet spectral break evolving in frequency through the radio band. Estimating the magnetic field and size of the particle acceleration region shows that the rapid fading of the high-energy jet emission was not consistent with radiative cooling; instead, the particle acceleration region seems to be moving away from the black hole on approximately dynamical time-scales. This result suggests that the compact jet quenching is not caused by local changes to the particle acceleration, rather we are observing the acceleration region of the jet travelling away from the black hole with the jet flow. Spectral analysis of the X-ray emission shows a gradual softening in the few days before the dramatic jet changes, followed by a more rapid softening similar to 1-2 d after the onset of the jet quenching.

accretion, accretion discs

X-rays: binaries

acceleration of particles

submillimetre: general

X-rays: individual (MAXI J1535-571)

ISM: jets and outflows


T. D. Russell

Universiteit Van Amsterdam

M. Lucchini

Universiteit Van Amsterdam

A. J. Tetarenko

East Asian Observatory

University of Alberta

J. C. A. Miller-Jones

Curtin University

G. R. Sivakoff

University of Alberta

F. Krau

Pennsylvania State University

Universiteit Van Amsterdam

W. Mulaudzi

University of Cape Town

M. C. Baglio

Istituto nazionale di astrofisica (INAF)

New York University Abu Dhabi

D. M. Russell

New York University Abu Dhabi

D. Altamirano

University of Southampton

Chiara Ceccobello

Chalmers, Rymd-, geo- och miljövetenskap, Astronomi och plasmafysik, Galaktisk astrofysik

S. Corbel

Université Paris Diderot

Université de recherche Paris Sciences et Lettres

N. Degenaar

Universiteit Van Amsterdam

J. van den Eijnden

Universiteit Van Amsterdam

R. Fender

University of Oxford

S. Heinz

University of Wisconsin Madison

K. I. I. Koljonen

Turun Yliopisto


D. Maitra

Wheaton College

S. Markoff

Universiteit Van Amsterdam

S. Migliari

European Space Astronomy Centre (ESAC)

Universitat de Barcelona

A. S. Parikh

Universiteit Van Amsterdam

R. M. Plotkin

University of Nevada, Las Vegas

M. Rupen

National Research Council Canada

C. Sarazin

University of Virginia

R. Soria

The University of Sydney

Chinese Academy of Sciences

R. Wijnands

Universiteit Van Amsterdam

Monthly Notices of the Royal Astronomical Society

0035-8711 (ISSN) 1365-2966 (eISSN)

Vol. 498 4 5772-5785


Meteorologi och atmosfärforskning

Astronomi, astrofysik och kosmologi

Fusion, plasma och rymdfysik



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