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Wolf-Rayet stars probed by AMBER/VLTI
Florentin Millour, Olivier Chesneau, Thomas Driebe +5
Massive stars deeply influence their surroundings by their luminosity and the injection of kinetic energy. So far, they have mostly been studied with spatially unresolved observati…
Neutrino signatures and the neutrino-driven wind in Binary Neutron Star Mergers
Luc Dessart, Christian Ott, Adam Burrows +2
We present VULCAN/2D multi-group flux-limited-diffusion radiation hydrodynamics simulations of binary neutron star (BNS) mergers, using the Shen equation of state, covering ~100 ms…
Probing Shock Breakout with Serendipitous GALEX Detections of Two SNLS Type II-P Supernovae
Suvi Gezari, Luc Dessart, Stephane Basa +13
We report the serendipitous detection by GALEX of fast (<1 day) rising (>1 mag) UV emission from two Type II plateau (II-P) supernovae (SNe) at z=0.185 and 0.324 discovered by the…
SN 1994W: An Interacting Supernova or Two Interacting Shells?
Luc Dessart, D. John Hillier, Suvi Gezari +2
We present a multi-epoch quantitative spectroscopic analysis of the Type IIn SN 1994W, an event interpreted by Chugai et al. as stemming from the interaction between the ejecta of…
2D Multi-Angle, Multi-Group Neutrino Radiation-Hydrodynamic Simulations of Postbounce Supernova Cores
Christian D. Ott, Adam Burrows, Luc Dessart +1
We perform axisymmetric (2D) multi-angle, multi-group neutrino radiation-hydrodynamic calculations of the postbounce phase of core-collapse supernovae using a genuinely 2D discrete…
Swift and Chandra Detections of Supernova 2006jc: Evidence for Interaction of the Supernova Shock with a Circumstellar Shell
S. Immler, M. Modjaz, W. Landsman +20
The peculiar Type Ib supernova (SN) 2006jc has been observed with the UV/Optical Telescope (UVOT) and X-Ray Telescope (XRT) on board the Swift observatory over a period of 19 to 18…