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The Location and Environments of Neutron Star Mergers in an Evolving Universe
Brandon K. Wiggins, Christopher L. Fryer, Joseph M. Smidt +3
The simultaneous detection of gravitational and electromagnetic waves from a binary neutron star merger has both solidified the link between neutron star mergers and short-duration…
Assessing the Observability of Hypernovae and Pair-Instability Supernovae in the Early Universe
Brandon K. Wiggins, Joseph M. Smidt, Daniel J. Whalen +3
The era of the universe's first (Population III) stars is essentially unconstrained by observation. Ultra-luminous and massive stars from this time altered the chemistry of the cos…
Finding the First Cosmic Explosions. IV. 90 - 140 M Pair-Instability Supernovae
Joseph Smidt, Daniel J. Whalen, E. Chatzopoulos +4
Population III stars that die as pair-instability supernovae are usually thought to fall in the mass range of 140 - 260 M. But several lines of work have now shown that r…
Emission from Pair-Instability Supernovae with Rotation
Emmanouil Chatzopoulos, Daniel R van Rossum, J. Craig Wheeler +3
Pair Instability Supernovae have been suggested as candidates for some Super Luminous Supernovae, such as SN 2007bi, and as one of the dominant types of explosion occurring in the…
The First Gamma-Ray Bursts in the Universe
R. A. Mesler, Daniel J. Whalen, Joseph Smidt +3
Gamma-ray bursts (GRBs) are the ultimate cosmic lighthouses, capable of illuminating the universe at its earliest epochs. Could such events probe the properties of the first stars…
Pair-Instability Supernovae in the Local Universe
Daniel J. Whalen, Wesley Even, Joseph Smidt +7
The discovery of 150 - 300 M stars in the Local Group and pair-instability supernova candidates at low redshifts has excited interest in this exotic explosion mechanism.…