An evolving compact jet in the black hole X-ray binary MAXI J1836-194

Dave Russell, T. D. Russell, J. C.A. Miller-Jones, K. O'Brien, R. Soria, G. R. Sivakoff, T. Slaven-Blair, F. Lewis, S. Markoff, J. Homan, D. Altamirano, P. A. Curran, M. P. Rupen, T. M. Belloni, M. Cadolle Bel, P. Casella, S. Corbel, V. Dhawan, R. P. Fender, E. Gallo & 10 others P. Gandhi, S. Heinz, E. G. Körding, H. A. Krimm, D. Maitra, S. Migliari, R. A. Remillard, C. L. Sarazin, T. Shahbaz, V. Tudose

    Research output: Contribution to journalArticle

    Abstract

    We report striking changes in the broadband spectrum of the compact jet of the black hole transient MAXI J1836-194 over state transitions during its discovery outburst in 2011. A fading of the optical-infrared (IR) flux occurred as the source entered the hard-intermediate state, followed by a brightening as it returned to the hard state. The optical-IR spectrum was consistent with a power law from optically thin synchrotron emission, except when the X-ray spectrum was softest. By fitting the radio to optical spectra with a broken power law, we constrain the frequency and flux of the optically thick/thin break in the jet synchrotron spectrum. The break gradually shifted to higher frequencies as the source hardened at X-ray energies, from ∼1011 to ∼4 × 1013 Hz. The radiative jet luminosity integrated over the spectrum appeared to be greatest when the source entered the hard state during the outburst decay (although this is dependent on the high-energy cooling break, which is not seen directly), even though the radio flux was fading at the time. The physical process responsible for suppressing and reactivating the jet (neither of which are instantaneous but occur on timescales of weeks) is uncertain, but could arise from the varying inner accretion disk radius regulating the fraction of accreting matter that is channeled into the jet. This provides an unprecedented insight into the connection between inflow and outflow, and has implications for the conditions required for jets to be produced, and hence their launching process.

    Original languageEnglish (US)
    Article numberL35
    JournalAstrophysical Journal Letters
    Volume768
    Issue number2
    DOIs
    StatePublished - May 10 2013

    Fingerprint

    x rays
    fading
    outburst
    optical spectrum
    synchrotrons
    power law
    radio
    launching
    accretion disks
    energy
    inflow
    outflow
    infrared spectra
    accretion
    luminosity
    broadband
    cooling
    timescale
    radii
    decay

    Keywords

    • accretion, accretion disks
    • black hole physics
    • ISM: jets and outflows
    • X-rays: binaries

    ASJC Scopus subject areas

    • Astronomy and Astrophysics
    • Space and Planetary Science

    Cite this

    Russell, D., Russell, T. D., Miller-Jones, J. C. A., O'Brien, K., Soria, R., Sivakoff, G. R., ... Tudose, V. (2013). An evolving compact jet in the black hole X-ray binary MAXI J1836-194. Astrophysical Journal Letters, 768(2), [L35]. https://doi.org/10.1088/2041-8205/768/2/L35

    An evolving compact jet in the black hole X-ray binary MAXI J1836-194. / Russell, Dave; Russell, T. D.; Miller-Jones, J. C.A.; O'Brien, K.; Soria, R.; Sivakoff, G. R.; Slaven-Blair, T.; Lewis, F.; Markoff, S.; Homan, J.; Altamirano, D.; Curran, P. A.; Rupen, M. P.; Belloni, T. M.; Cadolle Bel, M.; Casella, P.; Corbel, S.; Dhawan, V.; Fender, R. P.; Gallo, E.; Gandhi, P.; Heinz, S.; Körding, E. G.; Krimm, H. A.; Maitra, D.; Migliari, S.; Remillard, R. A.; Sarazin, C. L.; Shahbaz, T.; Tudose, V.

    In: Astrophysical Journal Letters, Vol. 768, No. 2, L35, 10.05.2013.

    Research output: Contribution to journalArticle

    Russell, D, Russell, TD, Miller-Jones, JCA, O'Brien, K, Soria, R, Sivakoff, GR, Slaven-Blair, T, Lewis, F, Markoff, S, Homan, J, Altamirano, D, Curran, PA, Rupen, MP, Belloni, TM, Cadolle Bel, M, Casella, P, Corbel, S, Dhawan, V, Fender, RP, Gallo, E, Gandhi, P, Heinz, S, Körding, EG, Krimm, HA, Maitra, D, Migliari, S, Remillard, RA, Sarazin, CL, Shahbaz, T & Tudose, V 2013, 'An evolving compact jet in the black hole X-ray binary MAXI J1836-194', Astrophysical Journal Letters, vol. 768, no. 2, L35. https://doi.org/10.1088/2041-8205/768/2/L35
    Russell D, Russell TD, Miller-Jones JCA, O'Brien K, Soria R, Sivakoff GR et al. An evolving compact jet in the black hole X-ray binary MAXI J1836-194. Astrophysical Journal Letters. 2013 May 10;768(2). L35. https://doi.org/10.1088/2041-8205/768/2/L35
    Russell, Dave ; Russell, T. D. ; Miller-Jones, J. C.A. ; O'Brien, K. ; Soria, R. ; Sivakoff, G. R. ; Slaven-Blair, T. ; Lewis, F. ; Markoff, S. ; Homan, J. ; Altamirano, D. ; Curran, P. A. ; Rupen, M. P. ; Belloni, T. M. ; Cadolle Bel, M. ; Casella, P. ; Corbel, S. ; Dhawan, V. ; Fender, R. P. ; Gallo, E. ; Gandhi, P. ; Heinz, S. ; Körding, E. G. ; Krimm, H. A. ; Maitra, D. ; Migliari, S. ; Remillard, R. A. ; Sarazin, C. L. ; Shahbaz, T. ; Tudose, V. / An evolving compact jet in the black hole X-ray binary MAXI J1836-194. In: Astrophysical Journal Letters. 2013 ; Vol. 768, No. 2.
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    AU - Soria, R.

    AU - Sivakoff, G. R.

    AU - Slaven-Blair, T.

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    AU - Maitra, D.

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    AU - Remillard, R. A.

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    AU - Tudose, V.

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