AN EVOLVING COMPACT JET IN THE BLACK HOLE X-RAY BINARY MAXI J1836–194
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 bright...
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| Format: | Article |
| Language: | en_US |
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IOP Publishing
2015
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| Online Access: | http://hdl.handle.net/1721.1/93741 |
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| author | Russell, D. M. Russell, T. D. Miller-Jones, J. C. A. O'Brien, K. Soria, R. Sivakoff, G. R. Slaven-Blair, T. Lewis, F. Markoff, Sera B. Altamirano, D. Curran, P. A. Rupen, M. P. Belloni, Tomaso M. Cadolle Bel, M. Casella, P. Corbel, S. Dhawan, V. Fender, R. P. Gallo, Elena Gandhi, P. Heinz, Sebastian Körding, E. G. Krimm, H. A. Maitra, D. Migliari, S. Sarazin, C. L. Shahbaz, T. Tudose, V. Homan, Jeroen Remillard, Ronald A |
| author2 | MIT Kavli Institute for Astrophysics and Space Research |
| author_facet | MIT Kavli Institute for Astrophysics and Space Research Russell, D. M. Russell, T. D. Miller-Jones, J. C. A. O'Brien, K. Soria, R. Sivakoff, G. R. Slaven-Blair, T. Lewis, F. Markoff, Sera B. Altamirano, D. Curran, P. A. Rupen, M. P. Belloni, Tomaso M. Cadolle Bel, M. Casella, P. Corbel, S. Dhawan, V. Fender, R. P. Gallo, Elena Gandhi, P. Heinz, Sebastian Körding, E. G. Krimm, H. A. Maitra, D. Migliari, S. Sarazin, C. L. Shahbaz, T. Tudose, V. Homan, Jeroen Remillard, Ronald A |
| author_sort | Russell, D. M. |
| collection | MIT |
| description | 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 ~10[superscript 11] to ~4 × 10[superscript 13] 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. |
| first_indexed | 2024-09-23T12:00:39Z |
| format | Article |
| id | mit-1721.1/93741 |
| institution | Massachusetts Institute of Technology |
| language | en_US |
| last_indexed | 2024-09-23T12:00:39Z |
| publishDate | 2015 |
| publisher | IOP Publishing |
| record_format | dspace |
| spelling | mit-1721.1/937412022-10-01T07:34:11Z AN EVOLVING COMPACT JET IN THE BLACK HOLE X-RAY BINARY MAXI J1836–194 Russell, D. M. Russell, T. D. Miller-Jones, J. C. A. O'Brien, K. Soria, R. Sivakoff, G. R. Slaven-Blair, T. Lewis, F. Markoff, Sera B. Altamirano, D. Curran, P. A. Rupen, M. P. Belloni, Tomaso M. Cadolle Bel, M. Casella, P. Corbel, S. Dhawan, V. Fender, R. P. Gallo, Elena Gandhi, P. Heinz, Sebastian Körding, E. G. Krimm, H. A. Maitra, D. Migliari, S. Sarazin, C. L. Shahbaz, T. Tudose, V. Homan, Jeroen Remillard, Ronald A MIT Kavli Institute for Astrophysics and Space Research Homan, Jeroen Remillard, Ronald Alan 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 ~10[superscript 11] to ~4 × 10[superscript 13] 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. Australian Research Council (Grant DP120102393) Seventh Framework Programme (European Commission) (Grant Agreement ITN 215212 Black Hole Universe) Spain. Ministerio de Economia y Competividad (Project AYA2010-18080) France. Agence nationale de la recherche (CHAOS ANR-12-BS05-0009) 2015-02-03T18:37:51Z 2015-02-03T18:37:51Z 2013-04 2013-02 Article http://purl.org/eprint/type/JournalArticle 2041-8205 2041-8213 http://hdl.handle.net/1721.1/93741 Russell, D. M., T. D. Russell, J. C. A. Miller-Jones, K. O’Brien, R. Soria, G. R. Sivakoff, T. Slaven-Blair, et al. “AN EVOLVING COMPACT JET IN THE BLACK HOLE X-RAY BINARY MAXI J1836–194.” The Astrophysical Journal 768, no. 2 (April 29, 2013): L35. © 2013 The American Astronomical Society en_US http://dx.doi.org/10.1088/2041-8205/768/2/l35 The Astrophysical Journal. Letters Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use. application/pdf IOP Publishing American Astronomical Society |
| spellingShingle | Russell, D. M. Russell, T. D. Miller-Jones, J. C. A. O'Brien, K. Soria, R. Sivakoff, G. R. Slaven-Blair, T. Lewis, F. Markoff, Sera B. Altamirano, D. Curran, P. A. Rupen, M. P. Belloni, Tomaso M. Cadolle Bel, M. Casella, P. Corbel, S. Dhawan, V. Fender, R. P. Gallo, Elena Gandhi, P. Heinz, Sebastian Körding, E. G. Krimm, H. A. Maitra, D. Migliari, S. Sarazin, C. L. Shahbaz, T. Tudose, V. Homan, Jeroen Remillard, Ronald A AN EVOLVING COMPACT JET IN THE BLACK HOLE X-RAY BINARY MAXI J1836–194 |
| title | AN EVOLVING COMPACT JET IN THE BLACK HOLE X-RAY BINARY MAXI J1836–194 |
| title_full | AN EVOLVING COMPACT JET IN THE BLACK HOLE X-RAY BINARY MAXI J1836–194 |
| title_fullStr | AN EVOLVING COMPACT JET IN THE BLACK HOLE X-RAY BINARY MAXI J1836–194 |
| title_full_unstemmed | AN EVOLVING COMPACT JET IN THE BLACK HOLE X-RAY BINARY MAXI J1836–194 |
| title_short | AN EVOLVING COMPACT JET IN THE BLACK HOLE X-RAY BINARY MAXI J1836–194 |
| title_sort | evolving compact jet in the black hole x ray binary maxi j1836 194 |
| url | http://hdl.handle.net/1721.1/93741 |
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