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Optical follow-up of the tidal disruption event iPTF16fnl: new insights from X-shooter observations
F. Onori, G. Cannizzaro, P. G. Jonker +11
We present the results from Nordic Optical Telescope and X-shooter follow-up campaigns of the tidal disruption event (TDE) iPTF16fnl, covering the first 100 days after the tr…
The Evolution of Luminous Red Nova AT 2017jfs in NGC 4470
A. Pastorello, T. -W. Chen, Y. -Z. Cai +43
We present the results of our photometric and spectroscopic follow-up of the intermediate-luminosity optical transient AT 2017jfs. At peak, the object reaches an absolute magnitude…
A luminous stellar outburst during a long-lasting eruptive phase first, and then SN IIn 2018cnf
A. Pastorello, A. Reguitti, A. Morales-Garoffolo +45
We present the results of the monitoring campaign of the Type IIn supernova (SN) 2018cnf (aka ASASSN-18mr). It was discovered about 10 days before the maximum light (on MJD = 58293…
Evidence for rapid disk formation and reprocessing in the X-ray bright tidal disruption event AT 2018fyk
T. Wevers, D. R. Pasham, S. van Velzen +15
We present optical spectroscopic and Swift UVOT/XRT observations of the X-ray and UV/optical bright tidal disruption event (TDE) AT 2018fyk/ASASSN-18ul discovered by ASAS-SN. The S…
The spectral evolution of AT 2018dyb and the presence of metal lines in tidal disruption events
Giorgos Leloudas, Lixin Dai, Iair Arcavi +29
We present light curves and spectra of the tidal disruption event (TDE) ASASSN-18pg / AT 2018dyb spanning a period of one year. The event shows a plethora of strong emission lines,…
Black hole masses of tidal disruption event host galaxies II
Thomas Wevers, Nicholas C. Stone, Sjoert van Velzen +5
We present new medium resolution, optical long-slit spectra of a sample of 6 UV/optical and 15 X-ray selected tidal disruption event candidate host galaxies. We measure emission li…