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Collisional Dark Matter and the Origin of Massive Black Holes
Jeremiah P. Ostriker
If the cosmological dark matter is primarily in the form of an elementary particle which has cross section and mass for self-interaction having a ratio similar to that of ordinary…
Cooling flows and quasars: II. Detailed models of feedback modulated accretion flows
L. Ciotti, J. P. Ostriker
Most elliptical galaxies contain central black holes (BHs), and most also contain significant amounts of hot gas capable of accreting on to the central BH due to cooling times shor…
High-Redshift Quasars Found in Sloan Digital Sky Survey Commissioning Data II: The Spring Equatorial Stripe
SDSS Collaboration, Xiaohui Fan
This is the second paper in a series aimed at finding high-redshift quasars from five-color (u'g'r'i'z') imaging data taken along the Celestial Equator by the Sloan Digital Sky Sur…
The Cosmic Triangle: Revealing the State of the Universe
N. Bahcall, J. P. Ostriker, S. Perlmutter +1
The "cosmic triangle" is introduced as a way of representing the past, present, and future status of the universe. Our current location within the cosmic triangle is determined by…
A Semi-Analytic Model for Cosmological Reheating and Reionization Due to the Gravitational Collapse of Structure
Weihsueh A. Chiu, Jeremiah P. Ostriker
We present a semi-analytic model for the thermal and ionization history of the universe at 1000 >~ z >~ 3. This model incorporates much of the essential physics included in full-sc…
The Santa Barbara cluster comparison project: a comparison of cosmological hydrodynamics solutions
C. S. Frenk, S. D. M. White, P. Bode +22
We have simulated the formation of an X-ray cluster in a cold dark matter universe using 12 different codes. The codes span the range of numerical techniques and implementations cu…