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The fast transient sky with Gaia
Thomas Wevers, Peter G. Jonker, Simon T. Hodgkin +8
The ESA Gaia satellite scans the whole sky with a temporal sampling ranging from seconds and hours to months. Each time a source passes within the Gaia field of view, it moves over…
A kilonova as the electromagnetic counterpart to a gravitational-wave source
S. J. Smartt, T. -W. Chen, A. Jerkstrand +118
Gravitational waves were discovered with the detection of binary black hole mergers and they should also be detectable from lower mass neutron star mergers. These are predicted to…
Hydrogen-rich supernovae beyond the neutrino-driven core-collapse paradigm
G. Terreran, M. L. Pumo, T. -W. Chen +41
We present our study of OGLE-2014-SN-073, one of the brightest Type II SN ever discovered, with an unusually broad lightcurve combined with high ejecta velocities. From our hydrody…
Black hole masses of tidal disruption event host galaxies
Thomas Wevers, Sjoert van Velzen, Peter G. Jonker +5
The mass of the central black hole in a galaxy that hosted a tidal disruption event (TDE) is an important parameter in understanding its energetics and dynamics. We present the fir…
Spectroscopic classification of X-ray sources in the Galactic Bulge Survey
T. Wevers, M. A. P. Torres, P. G. Jonker +14
We present the classification of 26 optical counterparts to X-ray sources discovered in the Galactic Bulge Survey. We use (time-resolved) photometric and spectroscopic observations…
OGLE-2014-SN-131: A long-rising Type Ibn supernova from a massive progenitor
E. Karamehmetoglu, F. Taddia, J. Sollerman +11
Type Ibn supernovae (SNe Ibn) are thought to be the core-collapse explosions of massive stars whose ejecta interact with He-rich circumstellar material (CSM). We report the discove…