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MeerKAT radio detection of the Galactic black hole candidate Swift J1842.5-1124 during its 2020 outburst
X. Zhang, W. Yu, S. E. Motta +4
Swift J1842.51124 is a transient Galactic black hole X-ray binary candidate, which underwent a new outburst in May 2020. We performed multi-epoch MeerKAT radio observations unde…
MeerKAT discovery of radio emission from the Vela X-1 bow shock
J. van den Eijnden, I. Heywood, R. Fender +7
Vela X-1 is a runaway X-ray binary system hosting a massive donor star, whose strong stellar wind creates a bow shock as it interacts with the interstellar medium. This bow shock h…
Radio and X-ray observations of the luminous Fast Blue Optical Transient AT2020xnd
Joe S. Bright, Raffaella Margutti, David Matthews +25
We present deep X-ray and radio observations of the Fast Blue Optical Transient (FBOT) AT2020xnd/ZTF20acigmel at from d to d after explosion. AT2020xnd belongs…
A timing-based estimate of the spin of the black hole in MAXI J1820+070
Yash Bhargava, Tomaso Belloni, Dipankar Bhattacharya +2
MAXI J1820+070 (ASSASN-18ey) is a Black hole X-ray binary discovered in 2018. The brightness of the source triggered multi-wavelength campaigns of this source from different observ…
Tracking the evolution of the accretion flow in MAXI J1820+070 during its hard state with the JED-SAD model
A. Marino, S. Barnier, P. O. Petrucci +10
X-ray binaries in outburst typically show two canonical X-ray spectral states, i.e. hard and soft states, in which the physical properties of the accretion flow and of the jet are…
The Varying Kinematics of Multiple Ejecta from the Black Hole X-ray Binary MAXI J1820+070
C. M. Wood, J. C. A. Miller-Jones, J. Homan +14
During a 2018 outburst, the black hole X-ray binary MAXI J1820+070 was comprehensively monitored at multiple wavelengths as it underwent a hard to soft state transition. During thi…