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EP260119a: A High-Redshift Gamma-Ray Quiet Fast X-ray Transient Probing a Potentially Hidden Population of Relativistic Explosions
Camila Angulo-Valdez, Asuka Kuwata, Edilberto Aguilar-Ruiz +41
Gamma-ray quiet fast X-ray transients (FXTs) provide a new approach for studying relativistic explosions that evade traditional gamma-ray triggers. In this work, we present multi-w…
Investigating the Mass of the Black Hole and Possible Wind Outflow of the Accretion Disk in the Tidal Disruption Event AT2021ehb
Xin Xiang, Jon M. Miller, Abderahmen Zoghbi +11
Tidal disruption events (TDEs) can potentially probe low-mass black holes in host galaxies that might not adhere to bulge or stellar-dispersion relationships. At least initially, T…
Tidal disruption events and quasi periodic eruptions
Natalie A. Webb, Didier Barret, Olivier Godet +4
Tidal disruption events (TDEs) occur when a star passes close to a massive black hole, so that the tidal forces of the black hole exceed the binding energy of a star and cause it t…
Statistical study of a large and cleaned sample of ultraluminous and hyperluminous X-ray sources
Hugo Tranin, Natalie Webb, Olivier Godet +1
Ultra-/hyper-luminous X-ray sources (ULX/HLX) could be interesting laboratories to improve our understanding of the supermassive black hole growth through super-Eddington accretion…
The ultraluminous X-ray source M81 X-6: a weakly magnetised neutron star with a precessing accretion disc?
Roberta Amato, Andres Gúrpide, Natalie A. Webb +2
We investigate the nature of the ULX M81 X-6, which has been suggested to harbour a neutron star (NS), by studying its long-term X-ray spectral and temporal evolution, using the ri…
MUSE spectroscopy of the ULX NGC 1313 X-1: a shock-ionised bubble, an X-ray photoionised nebula, and two supernova remnants
Andrés Gúrpide, Maxime Parra, Olivier Godet +2
The presence of large ionised gaseous nebulae found around some ultraluminous X-ray sources (ULXs) provides the means to assess the mechanical and radiative feedback of the central…