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Finding the First Cosmic Explosions. III. Pulsational Pair-Instability Supernovae
Daniel J. Whalen, Joseph Smidt, Wesley Even +4
Population III supernovae have been the focus of growing attention because of their potential to directly probe the properties of the first stars, particularly the most energetic e…
The Biggest Explosions in the Universe. II
Daniel J. Whalen, Jarrett L. Johnson, Joseph Smidt +3
One of the leading contenders for the origin of supermassive black holes at 7 is catastrophic baryon collapse in atomically-cooled halos at 15. In this scenari…
The Supernova that Destroyed a Protogalaxy: Prompt Chemical Enrichment and Supermassive Black Hole Growth
Daniel J. Whalen, Jarrett J. Johnson, Joseph Smidt +4
The first primitive galaxies formed from accretion and mergers by z ~ 15, and were primarily responsible for cosmological reionization and the chemical enrichment of the early cosm…
The Biggest Explosions in the Universe
Jarrett L. Johnson, Daniel J. Whalen, Wesley Even +4
Supermassive primordial stars are expected to form in a small fraction of massive protogalaxies in the early universe, and are generally conceived of as the progenitors of the seed…
Finding the First Cosmic Explosions I: Pair-Instability Supernovae
Daniel J. Whalen, Wesley Even, Lucille H. Frey +9
The first stars are the key to the formation of primitive galaxies, early cosmological reionization and chemical enrichment, and the origin of supermassive black holes. Unfortunate…
Supermassive Population III Supernovae and the Birth of the First Quasars
Daniel J. Whalen, Wesley Even, Joseph Smidt +6
The existence of supermassive black holes as early as z ~ 7 is one of the great unsolved problems in cosmological structure formation. One leading theory argues that they are born…