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5 papers · 1 filter
Is the Radial Profile of the Phase-Space Density of Dark Matter Halos a Power-Law?
Chung-Pei Ma, Philip Chang, Jun Zhang
The latest cosmological N-body simulations find two intriguing properties for dark matter haloes: (1) their radial density profile, rho, is better fit by a form that flattens to a…
Imaging an Event Horizon: submm-VLBI of a Super Massive Black Hole
Sheperd Doeleman, Eric Agol, Don Backer +20
A long standing goal in astrophysics is to directly observe the immediate environment of a black hole with angular resolution comparable to the event horizon. Realizing this goal w…
How do Galaxies Accrete Gas and Form Stars?
M. E. Putman, P. Henning, A. Bolatto +42
Great strides have been made in the last two decades in determining how galaxies evolve from their initial dark matter seeds to the complex structures we observe at z=0. The role o…
In Situ Probes of the First Galaxies and Reionization: Gamma-ray Bursts
Matthew McQuinn, Joshua S. Bloom, Jonathan Grindlay +20
The first structures in the Universe formed at z>7, at higher redshift than all currently known galaxies. Since GRBs are brighter than other cosmological sources at high redshift a…
When Is Secular Evolution Important?
Philip F. Hopkins, Dusan Keres, Chung-Pei Ma +1
This abstract has been withdrawn. The proper replacement is arXiv:0909.3306