Isolating the jet in broadband spectra of XBs

David M. Russell, Fraser Lewis, Dipankar Maitra, Robert J.H. Dunn, Sera Markoff, Peter G. Jonker, Manuel Linares, Valeriu Tudose

Research output: Chapter in Book/Report/Conference proceedingConference contribution


Most accretion-powered relativistic jet sources in our Galaxy are transient X-ray binaries (XBs). Efforts to coordinate multiwavelength observations of these objects have improved dramatically over the last decade. Now the challenge is to interpret broadband spectral energy distributions (SEDs) of XBs that are well sampled in both wavelength and time. Here we focus on the evolution of the jet in their broadband spectra. Some of the most densely sampled broadband SEDs of a neutron star transient (IGR J00291+5934) are used to constrain the optically thick-thin break in the jet spectrum. For the black hole transient XTE J1550-564, infrared - X-ray correlations, evolution of broadband spectra and timing signatures indicate that synchrotron emission from the jet likely dominates the X-ray power law at low luminosities (∼ (2 × 10 -4 - 2 × 10-3 ) LEdd ) during the hard state outburst decline.

Original languageEnglish (US)
Title of host publicationJets at all Scales
EditorsGustavo Romero, Rashid Sunyaev, Rashid Sunyaev, Tomaso Belloni
Number of pages2
StatePublished - Sep 2010

Publication series

NameProceedings of the International Astronomical Union
ISSN (Print)1743-9213
ISSN (Electronic)1743-9221


  • Accretion
  • Accretion discs
  • ISM: jets and outflows
  • X-rays: binaries

ASJC Scopus subject areas

  • Medicine (miscellaneous)
  • Astronomy and Astrophysics
  • Nutrition and Dietetics
  • Public Health, Environmental and Occupational Health
  • Space and Planetary Science


Dive into the research topics of 'Isolating the jet in broadband spectra of XBs'. Together they form a unique fingerprint.

Cite this