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25 papers · 2 filters
Optical photometry and spectroscopy of the low-luminosity, broad-lined Ic supernova iPTF15dld
E. Pian, L. Tomasella, E. Cappellaro +37
Core-collapse stripped-envelope supernova (SN) explosions reflect the diversity of physical parameters and evolutionary paths of their massive star progenitors. We have observed th…
Structure of Stable Binary Neutron Star Merger Remnants: Role of Initial Spin
Wolfgang Kastaun, Riccardo Ciolfi, Andrea Endrizzi +1
We present general relativistic numerical simulations of binary neutron star (BNS) mergers with different initial spin configurations. We focus on models with stars of mass 1.4 M_s…
Gaia16apd -- a link between fast-and slowly-declining type I superluminous supernovae
T. Kangas, N. Blagorodnova, S. Mattila +18
We present ultraviolet, optical and infrared photometry and optical spectroscopy of the type Ic superluminous supernova (SLSN) Gaia16apd (= SN 2016eay), covering its evolution from…
The progenitor and early evolution of the Type IIb SN 2016gkg
L. Tartaglia, M. Fraser, D. J. Sand +24
We report initial observations and analysis on the Type IIb SN~2016gkg in the nearby galaxy NGC~613. SN~2016gkg exhibited a clear double-peaked light curve during its early evoluti…
Radiation-hydrodynamical modelling of underluminous type II plateau Supernovae
M. L. Pumo, L. Zampieri, S. Spiro +5
With the aim of improving our knowledge about the nature of the progenitors of low-luminosity Type II plateau supernovae (LL SNe IIP), we made radiation-hydrodynamical models of th…
Prospects for PWNe and SNRs science with the ASTRI mini-array of pre-production small-sized telescopes of the Cherenkov Telescope Array
A. Burtovoi, L. Zampieri, A. Giuliani +5
The development and construction of the Cherenkov Telescope Array (CTA) opens up new opportunities for the study of very high energy (VHE, E>100 GeV) sources. As a part of CTA, the…