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Bright radio emissi...
Bright radio emission from an ultraluminous stellar-mass microquasar in M 31
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Middleton, Matthew J. (author)
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Miller-Jones, James C. A. (author)
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Markoff, Sera (author)
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Fender, Rob (author)
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Henze, Martin (author)
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Hurley-Walker, Natasha (author)
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Scaife, Anna M. M. (author)
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Roberts, Timothy P. (author)
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Walton, Dominic (author)
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Carpenter, John (author)
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Macquart, Jean-Pierre (author)
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Bower, Geoffrey C. (author)
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Gurwell, Mark (author)
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Pietsch, Wolfgang (author)
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Haberl, Frank (author)
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Harris, Jonathan (author)
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Daniel, Michael (author)
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Miah, Junayd (author)
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Done, Chris (author)
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Morgan, John S. (author)
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- Dickinson, Hugh (author)
- Stockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC)
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Charles, Phil (author)
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Burwitz, Vadim (author)
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Della Valle, Massimo (author)
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Freyberg, Michael (author)
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Greiner, Jochen (author)
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Hernanz, Margarita (author)
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Hartmann, Dieter H. (author)
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Hatzidimitriou, Despina (author)
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Riffeser, Arno (author)
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Sala, Gloria (author)
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Seitz, Stella (author)
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Reig, Pablo (author)
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Rau, Arne (author)
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Orio, Marina (author)
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Titterington, David (author)
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Grainge, Keith (author)
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(creator_code:org_t)
- 2012-12-12
- 2013
- English.
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In: Nature. - : Springer Science and Business Media LLC. - 0028-0836 .- 1476-4687. ; 493:7431, s. 187-190
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http://dro.dur.ac.uk...
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Abstract
Subject headings
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- A subset of ultraluminous X-ray sources (those with luminosities of less than 10(40) erg s(-1); ref. 1) are thought to be powered by the accretion of gas onto black holes with masses of similar to 5-20M(circle dot), probably by means of an accretion disk(2,3). The X-ray and radio emission are coupled in such Galactic sources; the radio emission originates in a relativistic jet thought to be launched from the innermost regions near the black hole(4,5), with the most powerful emission occurring when the rate of infalling matter approaches a theoretical maximum (the Eddington limit). Only four such maximal sources are known in the Milky Way(6), and the absorption of soft X-rays in the interstellar medium hinders the determination of the causal sequence of events that leads to the ejection of the jet. Here we report radio and X-ray observations of a bright new X-ray source in the nearby galaxy M 31, whose peak luminosity exceeded 10(39) erg s(-1). The radio luminosity is extremely high and shows variability on a timescale of tens of minutes, arguing that the source is highly compact and powered by accretion close to the Eddington limit onto a black hole of stellar mass. Continued radio and X-ray monitoring of such sources should reveal the causal relationship between the accretion flow and the powerful jet emission.
Subject headings
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Middleton, Matth ...
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Miller-Jones, Ja ...
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Markoff, Sera
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Fender, Rob
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Henze, Martin
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Hurley-Walker, N ...
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show more...
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Scaife, Anna M. ...
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Roberts, Timothy ...
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Walton, Dominic
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Carpenter, John
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Macquart, Jean-P ...
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Bower, Geoffrey ...
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Gurwell, Mark
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Pietsch, Wolfgan ...
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Haberl, Frank
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Harris, Jonathan
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Daniel, Michael
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Miah, Junayd
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Done, Chris
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Morgan, John S.
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Dickinson, Hugh
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Charles, Phil
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Burwitz, Vadim
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Della Valle, Mas ...
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Freyberg, Michae ...
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Greiner, Jochen
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Hernanz, Margari ...
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Hartmann, Dieter ...
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Hatzidimitriou, ...
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Riffeser, Arno
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Sala, Gloria
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Seitz, Stella
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Reig, Pablo
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Rau, Arne
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Orio, Marina
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Titterington, Da ...
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Grainge, Keith
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show less...
- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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Nature
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Stockholm University