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Multiwavelength observations of the extraordinary accretion event AT2021lwx
P. Wiseman, Y. Wang, S. Hönig +43
We present observations from X-ray to mid-infrared wavelengths of the most energetic non-quasar transient ever observed, AT2021lwx. Our data show a single optical brightening by a…
From X-rays to physical parameters: a comprehensive analysis of thermal tidal disruption event X-ray spectra
Andrew Mummery, Thomas Wevers, Richard Saxton +1
We perform a comprehensive analysis of a population of 19 X-ray bright tidal disruption events (TDEs), fitting their X-ray spectra with a new, physically self consistent, relativis…
The rise and fall of the iron-strong nuclear transient PS16dtm
T. Petrushevska, G. Leloudas, D. Ilic +30
Thanks to the advent of large-scale optical surveys, a diverse set of flares from the nuclear regions of galaxies has recently been discovered. These include the disruption of star…
Constraining the nature of the accreting binary in CXOGBS J174623.5-310550
M. A. P. Torres, S. Repetto, T. Wevers +12
We report optical and infrared observations of the X-ray source CXOGBS J174623.5-310550. This Galactic object was identified as a potential quiescent low-mass X-ray binary accretin…
Candidate Hα emission and absorption line sources in the Galactic Bulge Survey
T. Wevers, P. G. Jonker, G. Nelemans +7
We present a catalogue of candidate Hα emission and absorption line sources and blue objects in the Galactic Bulge Survey (GBS) region. We use a point source catalogue of the GBS f…
Discovery of a high state AM CVn binary in the Galactic Bulge Survey
T. Wevers, M. A. P. Torres, P. G. Jonker +14
We report on the discovery of a hydrogen-deficient compact binary (CXOGBS J175107.6-294037) belonging to the AM CVn class in the Galactic Bulge Survey. Deep archival X-ray observat…