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- 8Accretion
- 8Ism: Jets And Outflows
- 7Accretion Discs
- 7Radio Continuum: Stars
- 7Stars: Neutron
- 23Sivakoff, Gregory Robert
- 11Altamirano, Diego
- 10Heinke, Craig O.
- 10Miller-Jones, James C. A.
- 8Russell, D. M.
- 7Fender, Rob P.
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2017-01-01
Bahramian, Arash, Heinke, Craig O., Tudor, Vlad, Miller-Jones, James. C. A., Bogdanov, Slavko, Maccarone, Thomas J., Knigge, C., Sivakoff, Gregory Robert, Chomiuk, Laura, Strader, Jay, Garcia, Javier A., Kallman, Timothy
47 Tuc X9 is a low-mass X-ray binary (LMXB) in the globular cluster 47 Tucanae, and was previously thought to be a cataclysmic variable. However, Miller-Jones et al. recently identified a radio counterpart to X9 (inferring a radio/X-ray luminosity ratio consistent with black hole LMXBs), and...
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2014-01-01
Curran, P. A., Coriat, Mickael, Miller-Jones, James C. A., Armstrong, R. P., Edwards, P. G., Sivakoff, Gregory Robert, Woudt, Patrick Alan, Altamirano, Diego, Belloni, Thomaso. M., Corbel, Stephane, Fender, Rob P., Körding, Elmar. G., Krimm, H. A., Markoff, Sera, Migliari, Simone, Russell, D. M., Stevens, J., Tzioumis, T.
Swift J1745−26 is an X-ray binary towards the Galactic Centre that was detected when it went into outburst in 2012 September. This source is thought to be one of a growing number of sources that display ‘failed outbursts’, in which the self-absorbed radio jets of the transient source are never...
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2014-01-01
Russell, Thomas D., Soria, Roberto, Miller-Jones, James C. A., Curran, P. A., Markoff, Sera, Russell, D. M., Sivakoff, Gregory Robert
We present the results of our quasi-simultaneous radio, submm, infrared, optical and X-ray study of the Galactic black hole candidate X-ray binary MAXI J1836−194 during its 2011 outburst. We consider the full multiwavelength spectral evolution of the outburst, investigating whether the evolution...
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2017-01-01
Rushton, Anthony P., Miller-Jones, James C. A., Curran, P. A., Sivakoff, Gregory Robert, Rupen, Michael P., Paragi, Zsolt, Spencer, Ralph E., Yang, Jinhyuk, Altamirano, Diego, Belloni, Thomaso M., Fender, Rob P., Krimm, H. A., Maitra, D., Migliari, Simone, Russell, D. M., Russell, Thomas D., Soria, Roberto, Tudose, Valeriu
Black hole X-ray binaries undergo occasional outbursts caused by changing inner accretion flows. Here we report high angular resolution radio observations of the 2013 outburst of the black hole candidate X-ray binary system XTE J1908+094, using data from the Very Long Baseline Array and European...
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2015-01-01
Curran, P. A., Miller-Jones, James C. A., Rushton, Anthony P., Pawar, Devraj D., Anderson, G. E., Altamirano, Diego, Krimm, H. A., Broderick, J. W., Belloni, Thomaso M., Fender, Rob P., Körding, E. G., Maitra, D., Markoff, Sera, Migliari, Simone, Rumsey, C., Rupen, Michael P., Russell, D. M., Russell, Thomas D., Sarazin, Craig L., Sivakoff, Gregory Robert, Soria, Roberto, Tetarenko, Alexandra Jean, Titterington, David, Tudose, Valeriu
XTE J1908+094 is an X-ray transient black hole candidate in the Galactic plane that was observed in outburst in 2002 and 2013. Here we present multifrequency radio and X-ray data, including radio polarimetry, spanning the entire period of the 2013 outburst. We find that the X-ray behaviour of XTE...
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2015-01-01
Russell, Thomas D., Miller-Jones, James C. A., Curran, P. A., Soria, Roberto, Altamirano, Diego, Corbel, Stéphane, Coriat, Mickael, Moin, A., Russell, D. M., Sivakoff, Gregory Robert, Slaven-Blair, T. J., Belloni, Thomaso M., Fender, Rob P., Heinz, S., Jonker, P. G., Krimm, H. A., Körding, Elmar G., Maitra, D., Markoff, Sera, Middleton, Matthew, Migliari, Simone, Remillard, Ronald Alan, Rupen, Michael P., Sarazin, Craig L., Tetarenko, Alexandra Jean, Torres, M. A. P., Tudose, Valeriu, Tzioumis, A. K.
MAXI J1836−194 is a Galactic black hole candidate X-ray binary that was discovered in 2011 when it went into outburst. In this paper, we present the full radio monitoring of this system during its ‘failed’ outburst, in which the source did not complete a full set of state changes, only...
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2011-01-01
Coriat, Mickael, Corbel, Stephane, Prat, L., Miller-Jones, James. C. A., Cseh, D., Tzioumis, A. K., Brocksopp, C., Rodriguez, Jerome, Fender, Rob P., Sivakoff, Gregory Robert
In recent years, much effort has been devoted to unravelling the connection between the accretion flow and the jets in accreting compact objects. In the present work, we report new constraints on these issues, through the long-term study of the radio and X-ray behaviour of the black hole...
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2015-01-01
Degenaar, Nathalie, Wijnands, Rudy, Bahramian, Arash, Sivakoff, Gregory Robert, Heinke, Craig O., Brown, E. F., Fridriksson, Joel K., Homan, Jeroen, Cackett, Edward M., Cumming, A., Miller, Jon M., Altamirano, Diego, Pooley, David
When neutron stars reside in transient X-ray binaries, their crustal layers become heated during accretion outbursts and subsequently cool in quiescence. Observing and modelling this thermal response has yielded valuable insight into the physics of neutron star crusts. However, one unresolved...
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2018-01-01
Shaw, A. W., Heinke, Craig O., Mukai, K., Sivakoff, Gregory Robert, Tomsick, John A., Rana, Vikram
The X-ray spectra of intermediate polars can be modelled to give a direct measurement of white dwarf mass. Here, we fit accretion column models to NuSTAR spectra of three intermediate polars; V709 Cas, NY Lup, and V1223 Sgr in order to determine their masses. From fits to 3–78 keV spectra, we...
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2018-01-01
Tetarenko, Alexandra Jean, Freeman, P., Rosolowsky, E. W., Miller-Jones, James C. A., Sivakoff, Gregory Robert
We present Atacama Large Millimetre/Sub-Millimetre Array (ALMA) observations of IRAS 19132+1035, a candidate jet–interstellar medium (ISM) interaction zone near the black hole X-ray binary (BHXB) GRS 1915+105. With these ALMA observations (combining data from the 12 m array and the Atacama...