The Effects of the Ionizing Radiation Background on Galaxy Evolution (2009)
Hambrick, D. Clay, Ostriker, Jeremiah P., Naab, Thorsten, Johansson, Peter H.
We find that the amount and nature of the assumed ionizing background can strongly affect galaxy formation and evolution. Galaxy evolution simulations typically incorporate an ultraviolet background...
Simulations of the Microwave Sky (2009)
Sehgal, Neelima, Bode, Paul, Das, Sudeep, Hernandez-Monteagudo, Carlos, Huffenberger, Kevin, Lin, Yen-Ting, ...
We create realistic, full-sky, half-arcminute resolution simulations of the microwave sky matched to the most recent astrophysical observations. The primary purpose of these simulations is to test...
The Seventh Data Release of the Sloan Digital Sky Survey (2009)
Abazajian, Kevork N., Adelman-McCarthy, Jennifer K., Agüeros, Marcel A., Allam, Sahar S., Allende Prieto, Carlos, An, Deokkeun, ...
This paper describes the Seventh Data Release of the Sloan Digital Sky Survey (SDSS), marking the completion of the original goals of the SDSS and the end of the phase known as SDSS-II. It includes...
Shin, Min-Su, Ostriker, Jeremiah P., Ciotti, Luca
By using high-resolution 1D hydrodynamical simulations, we investigate the effects of purely mechanical feedback from super massive black holes (SMBHs) in the evolution of elliptical galaxies for a...
Exploring the Energetics of Intracluster Gas with a Simple and Accurate Model (2009)
Bode, Paul, Ostriker, Jeremiah P., Vikhlinin, Alexey
The state of the hot gas in clusters of galaxies is investigated with a set of model clusters, created by assuming a polytropic equation of state (Gamma=1.2) and hydrostatic equilibrium inside...
A New Test of the Statistical Nature of the Brightest Cluster Galaxies (2009)
Lin, Yen-Ting, Ostriker, Jeremiah P., Miller, Christopher J.
A novel statistic is proposed to examine the hypothesis that all cluster galaxies are drawn from the same luminosity distribution (LD). In such a "statistical model" of galaxy LD, the brightest...
Gravitational Heating Helps Make Massive Galaxies Red and Dead (2009)
Johansson, Peter H., Naab, Thorsten, Ostriker, Jeremiah P.
We study the thermal formation history of four simulated galaxies that were shown in Naab et al. (2007) to reproduce a number of observed properties of elliptical galaxies. The temperature of the gas...
Minor mergers and the size evolution of elliptical galaxies (2009)
Naab, Thorsten, Johansson, Peter H., Ostriker, Jeremiah P.
Using a high resolution hydrodynamical cosmological simulation of the formation of an individual massive spheroidal galaxy we show that elliptical galaxies can be very compact and massive at high...
The seventh data release of the sloan digital sky survey (2009)
Abazajian, Kevork N., Adelman-McCarthy, Jennifer K., Agüeros, Marcel A., Allam, Sahar S., Allende Prieto, Carlos, An, Deokkeun, ...
Global Compton heating and cooling in hot accretion flows (2008)
Yuan, Feng, Xie, Fuguo, Ostriker, Jeremiah P.
The hot accretion flow is usually optically thin in the radial direction, therefore the photons produced at one radius can travel for a long distance without being absorbed. These photons thus can...
Tidal-Shock Relaxation: A Re-Examination of Tidal Shocks in Stellar Systems (2008)
Tomislav Kundic, Jeremiah P. Ostriker
The phenomenon of "tidal--shock relaxation" is defined and quantitatively estimated. We show that the second order term h(\DeltaE) 2 i ts , which has usually been neglected in the treatment...
The Globular Cluster Luminosity Function as a Distance Indicator: Dynamical Effects (2008)
Jeremiah P. Ostriker, Oleg Y. Gnedin
The dynamical evolution of the globular cluster systems in galaxies is predicted, based on the standard dynamical theory normalized to the example of the Milky Way. The major processes varying with...
Destruction Of The Galactic Globular Cluster System (2008)
Oleg Gnedin, Jeremiah P. Ostriker
We investigate the dynamical evolution of the Galactic Globular Cluster System in considerably greater detail than has been done hitherto, finding that destruction rates are significantly larger than...
Thermal Balance in the Intracluster Medium: Is AGN Feedback Necessary? (2007)
Conroy, Charlie, Ostriker, Jeremiah P.
A variety of physical heating mechanisms are combined with radiative cooling to explore, via one dimensional hydrodynamic simulations, the expected thermal properties of the intracluster medium (ICM)...
Effects of Tidal Shocks on the Evolution of Globular Clusters (2007)
Oleg Gnedin, Hyung Mok Lee, Jeremiah P. Ostriker
We present new Fokker-Planck models of the evolution of globular clusters, including gravitational tidal shocks. We extend our calculations beyond the core collapse by adopting three-body binary...
Wesley N. Colley, Oleg Gnedin, Jeremiah P. Ostriker, James E. Rhoads
We have previously found in the Hubble Deep Field a significant angular correlation of faint, high color-redshift objects on scales below one arcsecond, or several kiloparsecs in metric size. A...
Weihsueh Chiu, Jeremiah P. Ostriker, Michael A. Strauss
Comparing the frequency of typical events with that of unusual events allows one to test whether the cosmological density distribution function is consistent with the normally made assumption of...
Tidal Shocking by Extended Mass Distributions (2007)
Oleg Gnedin, Lars Hernquist, Jeremiah P. Ostriker
We derive expressions for the tidal field exerted by a spherically symmetric galaxy having an extended mass distribution, and use our analysis to calculate tidal perturbations and heating of stars in...
Tatsushi Suginohara, Jeremiah P. Ostriker
We use high-resolution hydrodynamic simulations to investigate the density profile of hot gas in clusters of galaxies, adopting a variant of cold dark matter cosmologies and employing a cosmological...
Massive Black Holes And Light Element Nucleosynthesis In A Baryonic Universe (e30475j) (2007)
Nickolay Gnedin, Jeremiah P. Ostriker, Martin J. Rees
We re-examine the model proposed by Gnedin and Ostriker (1992) in which Jeans' mass black holes (MBH ß 10 6 M fi ) form shortly after decoupling. There is no nonbaryonic dark matter in this...
The Galaxy Pairwise Velocity Dispersion as a Function of Local Density (2007)
Michael Strauss, Jeremiah P. Ostriker, Renyue Cen
The standard method of measuring the galaxy pairwise velocity dispersion on small scales via the anisotropy in the two-point correlation function in redshift space suffers from the fact that it is a...
On the Self-Consistent Response of Stellar Systems to Gravitational Shocks (2007)
Oleg Gnedin, Jeremiah P. Ostriker
We study the reaction of a globular star cluster to a time-varying tidal perturbation (gravitational shock) using self-consistent N-body simulations and address two questions. First, to what extent...
The Physical Origin of Scale Dependent Bias in Cosmological Simulations (2007)
Michael Blanton, Renyue Cen, Jeremiah P. Ostriker, Michael A. Strauss, Mpc To
Using large-scale hydrodynamic simulations with heuristic criteria for galaxy formation, we investigate how the galaxy field is related to physical parameters, such as the mass density and the gas...
The Protogalactic Origin for Cosmic Magnetic Fields (2007)
Russell M. Kulsrud, Renyue Cen, Jeremiah P. Ostriker, Dongsu Ryu
It is demonstrated that strong magnetic fields are produced from a zero initial magnetic field during the pregalactic era, when galaxies are first forming. Their development proceeds in three phases....
Halo Formation in Warm Dark Matter Models (2007)
Paul Bode, Jeremiah P. Ostriker, Neil Turok
Discrepancies have emerged between the predictions of standard cold dark matter (CDM) theory and observations of clustering on sub-galactic scales. Warm dark matter (WDM) is a simple modification of...
Paul Bode, Jeremiah P. Ostriker, Guohong Xu
The Tree-Particle-Mesh (TPM) N-body algorithm couples the tree algorithm for directly computing forces on particles in an hierarchical grouping scheme with the extremely efficient mesh based PM...
Paul Bode, Neta A. Bahcall, Eric B. Ford, Jeremiah P. Ostriker
of mass M 1:5? 5 \Theta 10
Ricotti, Massimo, Ostriker, Jeremiah P., Mack, Katherine J.
We investigate the effect of non-evaporating primordial black holes (PBHs) on the ionization and thermal history of the universe. X-rays emitted by gas accretion onto PBHs modify the cosmic...
Dynamics of Rotating Accretion Flows Irradiated by a Quasar (2007)
Proga, Daniel, Ostriker, Jeremiah P., Kurosawa, Ryuichi
We study the axisymmetric, time-dependent hydrodynamics of rotating flows that are under the influence of supermassive black hole gravity and radiation from an accretion disk surrounding the black...
The effect of baryon cooling on the statistics of giant arcs and multiple quasars (2007)
Wambsganss, Joachim, Ostriker, Jeremiah P., Bode, Paul
The statistics of giant arcs and large separation lensed quasars provide powerful constraints for the parameters of the underlying cosmological model. So far, most investigations have been carried...
Are disk galaxies the progenitors of giant ellipticals? (2007)
Naab, Thorsten, Ostriker, Jeremiah P.
A popular formation scenario for giant elliptical galaxies proposes that they might have formed from binary mergers of disk galaxies. Difficulties with the scenario that emerged from earlier studies...
The fifth data release of the sloan digital sky survey (2007)
Adelman-McCarthy, Jennifer K., Agüeros, Marcel A., Allam, Sahar S., Anderson, Kurt S. J., Anderson, Scott F., Annis, James, ...
The fifth data release of the Sloan Digital Sky Survey (2007)
Adelman-McCarthy, Jennifer K., Agueros, Marcel A., Allam, Sahar S., Anderson, Kurt S. J., Anderson, Scott F., Annis, James, ...
This paper describes the Fifth Data Release (DR5) of the Sloan Digital Sky Survey (SDSS). DR5 includes all survey quality data taken through 2005 June and represents the completion of the SDSS-I...
The Fifth Data Release of the Sloan Digital Sky Survey (2007)
Adelman-McCarthy, Jennifer K., Agueeros, Marcel A., Allam, Sahar S., Anderson, Kurt S. J., Anderson, Scott F., Annis, James, ...
This paper describes the Fifth Data Release (DR5) of the Sloan Digital Sky Survey (SDSS). DR5 includes all survey quality data taken through 2005 June and represents the completion of the SDSS-I...
The Fifth Data Release of the Sloan Digital Sky Survey (2007)
Adelman-McCarthy, Jennifer K., Agueeros, Marcel A., Allam, Sahar S., Anderson, Kurt S. J., Anderson, Scott F., Annis, James, ...
This paper describes the Fifth Data Release (DR5) of the Sloan Digital Sky Survey (SDSS). DR5 includes all survey quality data taken through 2005 June and represents the completion of the SDSS-I...
Neta A. Bahcall, Et Al, Neta A. Bahcall, Jeremiah P. Ostriker, Saul Perlmutter, Paul J. Steinhardt
The following resources related to this article are available online at
The fifth data release of the Sloan Digital Sky Survey (2007)
Adelman-McCarthy, Jennifer K., Agueros, Marcel A., Allam, Sahar S., Anderson, Kurt S. J., Anderson, Scott F., Annis, James, ...
This paper describes the Fifth Data Release (DR5) of the Sloan Digital Sky Survey (SDSS). DR5 includes all survey quality data taken through 2005 June and represents the completion of the SDSS-I...
Accurate Realizations of the Ionized Gas in Galaxy Clusters: Calibrating Feedback (2006)
Bode, Paul, Ostriker, Jeremiah P., Weller, Jochen, Shaw, Laurie
Using the full, three-dimensional potential of galaxy cluster halos (drawn from an N-body simulation of the current, most favored cosmology), the distribution of the X-ray emitting gas is found by...
Cosmological constraints from the SDSS luminous red galaxies (2006)
Tegmark, Max, Eisenstein, Daniel J., Strauss, Michael A., Weinberg, David H., Blanton, Michael R., Frieman, Joshua A., ...
We measure the large-scale real-space power spectrum P(k) using luminous red galaxies (LRGs) in the Sloan Digital Sky Survey (SDSS) and use this measurement to sharpen constraints on cosmological...
Topology of structure in the Sloan Digital Sky Survey: model testing (2006)
Gott III, J. Richard, Hambrick, D. Clay, Vogeley, Michael S., Kim, Juhan, Park, Changbom, Choi, Yun-Young, ...
We measure the three-dimensional topology of large-scale structure in the Sloan Digital Sky Survey (SDSS). This allows the genus statistic to be measured with unprecedented statistical accuracy. The...
Growth of structure seeded by primordial black holes (2006)
Mack, Katherine J., Ostriker, Jeremiah P., Ricotti, Massimo
We discuss the possibilities for primordial black holes (PBHs) to grow via the accretion of dark matter. In agreement with previous works, we find that accretion during the radiation-dominated era...
Nagamine, Kentaro, Ostriker, Jeremiah P., Fukugita, Masataka, Cen, Renyue
Taking three independent approaches, we investigate the simultaneous constraints set on the cosmic star formation history from various observations, including stellar mass density and extragalactic...
Nagamine, Kentaro, Cen, Renyue, Furlanetto, Steven R., Hernquist, Lars, Night, Christopher, Ostriker, Jeremiah P.
Cosmological hydrodynamic simulations have significantly improved over the past several years, and we have already shown that the observed properties of Lyman-break galaxies (LBGs) at z=3 can be...
Cosmological constraints from the SDSS luminous red galaxies (2006)
Tegmark, Max, Eisenstein, Daniel J., Strauss, Michael A., Weinberg, David H., Blanton, Michael R., Frieman, Joshua A., ...
We measure the large-scale real-space power spectrum P(k) using luminous red galaxies (LRGs) in the Sloan Digital Sky Survey (SDSS) and use this measurement to sharpen constraints on cosmological...
Cosmological constraints from the SDSS luminous red galaxies (2006)
Tegmark, Max, Eisenstein, Daniel J., Strauss, Michael A., Weinberg, David H., Blanton, Michael R., Frieman, Joshua A., ...
We measure the large-scale real-space power spectrum P(k) using luminous red galaxies (LRGs) in the Sloan Digital Sky Survey (SDSS) and use this measurement to sharpen constraints on cosmological...
Cosmological constraints from the SDSS luminous red galaxies (2006)
Tegmark, Max, Eisenstein, Daniel J., Strauss, Michael A., Weinberg, David H., Blanton, Michael R., Frieman, Joshua A., ...
We measure the large-scale real-space power spectrum P(k) using luminous red galaxies (LRGs) in the Sloan Digital Sky Survey (SDSS) and use this measurement to sharpen constraints on cosmological...
Where Are the Baryons? II: Feedback Effects (2005)
Cen, Renyue, Ostriker, Jeremiah P.
Numerical simulations of the intergalactic medium have shown that at the present epoch a significant fraction (40-50%) of the baryonic component should be found in the (T~10^6K) Warm-Hot...
Testing a new analytic model for gravitational lensing probabilities (2005)
Das, Sudeep, Ostriker, Jeremiah P.
We study gravitational lensing with a multiple lens plane approach, proposing a simple analytical model for the probability distribution function (PDF) of the dark matter convergence, kappa, for the...
Formation of early-type galaxies from cosmological initial conditions (2005)
Naab, Thorsten, Johansson, Peter H., Ostriker, Jeremiah P., Efstathiou, George
We describe high resolution Smoothed Particle Hydrodynamics (SPH) simulations of three approximately $M_*$ field galaxies starting from \LCDM initial conditions. The simulations are made...
Characterizing the Cluster Lens Population (2005)
Hennawi, Joseph F., Dalal, Neal, Bode, Paul, Ostriker, Jeremiah P.
We present a detailed investigation into which properties of CDM halos make them effective strong gravitational lenses. Strong lensing cross sections of 878 clusters from an N-body simulation are...
A simple model for the evolution of disc galaxies: The Milky Way (2005)
Naab, Thorsten, Ostriker, Jeremiah P.
A simple model for the evolution of disc galaxies is presented. We adopt three numbers from observations of the Milky Way disc, the local surface mass density, the stellar scale length (of the...
A Simple and Accurate Model for Intra-Cluster Gas (2005)
Ostriker, Jeremiah P., Bode, Paul, Babul, Arif
Starting with the well-known NFW dark matter halo distribution, we construct a simple polytropic model for the intracluster medium which is in good agreement with high resolution numerical...
Galactic Wind Effects on the Lyman-alpha Absorption in the Vicinity of Galaxies (2005)
Kollmeier, Juna A., Miralda-Escude, Jordi, Cen, Renyue, Ostriker, Jeremiah P.
We present predictions of Ly-alpha forest-galaxy correlations at z=3 from Eulerian simulations that include the effects of galactic winds, driven primarily by supernova explosions. Galactic winds...
Massive galaxies in cosmological simulations: ultraviolet-selected sample at redshift z=2 (2005)
Nagamine, Kentaro, Cen, Renyue, Hernquist, Lars, Ostriker, Jeremiah P., Springel, Volker
Massive galaxies at Z = 2 in cosmological hydrodynamic simulations (2005)
Nagamine, Kentaro, Cen, Renyue, Hernquist, Lars, Ostriker, Jeremiah P., Springel, Volker
Simulations of Strong Gravitational Lensing with Substructure (2004)
Amara, Adam, Metcalf, R. Benton, Cox, Thomas J., Ostriker, Jeremiah P.
Galactic sized gravitational lenses are simulated by combining a cosmological N-body simulation and models for the baryonic component of the galaxy. The lens caustics, critical curves, image...
Massive galaxies at redshift 2 in cosmological hydrodynamic simulations (2004)
Nagamine, Kentaro, Cen, Renyue, Hernquist, Lars, Ostriker, Jeremiah P., Springel, Volker
We study the properties of galaxies at z=2 in a Lambda cold dark matter universe, using two different types of hydrodynamic simulation methods -- Eulerian TVD and smoothed particle hydrodynamics...
The current status of observational cosmology (2004)
Ostriker, Jeremiah P., Souradeep, Tarun
Observational cosmology has indeed made very rapid progress in recent years. The ability to quantify the universe has largely improved due to observational constraints coming from structure...
Signatures of Galactic Superwinds: Inhomogeneous Metal Enrichment of the Lyman Alpha Forest (2004)
Cen, Renyue, Nagamine, Kentaro, Ostriker, Jeremiah P.
We investigate possible signatures of feedback from galactic superwinds on the metallicity of the Lyman alpha forest, using a set of high resolution hydrodynamic simulations of a Lambda cold dark...
Massive galaxies in cosmological simulations: UV-selected sample at redshift z=2 (2004)
Nagamine, Kentaro, Cen, Renyue, Hernquist, Lars, Ostriker, Jeremiah P., Springel, Volker
We study the properties of galaxies at z=2 in a Lambda CDM universe, using two different types of hydrodynamic simulation methods (Eulerian TVD and SPH) and a spectrophotometric analysis in the Un,...
Fast Identification of Bound Structures in Large N-body Simulations (2004)
Weller, Jochen, Ostriker, Jeremiah P, Bode, Paul, Shaw, Laurie
We present an algorithm which is designed to allow the efficient identification and preliminary dynamical analysis of thousands of structures and substructures in large N-body simulations. First we...
Wambsganss, Joachim, Bode, Paul, Ostriker, Jeremiah P.
To date, in almost all strong gravitational lensing analyses for modeling giant arc systems and multiple quasar images, it has been assumed that all the deflecting matter is concentrated in one lens...
Ricotti, Massimo, Ostriker, Jeremiah P., Gnedin, Nickolay Y.
We use cosmological simulations to study the X-ray ionisation and heating of the intergalactic medium by an early population of accreting black holes. By considering observational constraints from...
Properties of Cold Dark Matter Halos at z>6 (2004)
Cen, Renyue, Dong, Feng, Bode, Paul, Ostriker, Jeremiah P.
We compute the properties of dark matter halos with mass $10^{6.5}-10^9\msun$ at redshift $z=6-11$ in the standard cold dark matter cosmological model, utilizing a very high resolution N-body...
Is there a missing galaxy problem at high redshift? (2004)
Nagamine, Kentaro, Cen, Renyue, Hernquist, Lars, Ostriker, Jeremiah P., Springel, Volker
The Second Data Release of the Sloan Digital sky survey (2004)
Abazajian, Kevork, Adelman-McCarthy, Jennifer K., Agüeros, Marcel A., Allam, Sahar S., Anderson, Kurt S. J., Anderson, Scott F., ...
The Second Data Release of the Sloan Digital sky survey (2004)
Abazajian, Kevork, Adelman-McCarthy, Jennifer K., Agüeros, Marcel A., Allam, Sahar S., Anderson, Kurt S. J., Anderson, Scott F., ...
The second data release of the Sloan Digital Sky Survey (2004)
Abazajian, Kevork, Adelman-McCarthy, Jennifer K., Agüeros, Marcel A., Allam, Sahar S., Anderson, Kurt, Anderson, Scott F., ...
The Sloan Digital Sky Survey (SDSS) has validated and made publicly available its Second Data Release. This data release consists of 3324 deg2 of five-band (ugriz) imaging data with photometry for...
The second data release of the Sloan Digital Sky Survey (2004)
Abazajian, Kevork N., Adelman-McCarthy, Jennifer K., Agueros, Marcel A., Allam, Sahar S., Anderson, Kurt S. J., Anderson, Scott F., ...
The Sloan Digital Sky Survey (SDSS) has validated and made publicly available its Second Data Release. This data release consists of 3324 deg(2) of five-band (ugriz) imaging data with photometry for...
The second data release of the Sloan Digital Sky Survey (2004)
Abazajian, Kevork N., Adelman-McCarthy, Jennifer K., Agueros, Marcel A., Allam, Sahar S., Anderson, Kurt S. J., Anderson, Scott F., ...
The Sloan Digital Sky Survey (SDSS) has validated and made publicly available its Second Data Release. This data release consists of 3324 deg(2) of five-band (ugriz) imaging data with photometry for...
Massive Black Holes in Dwarf Spheroidal Galaxy Haloes? (2003)
Jin, Shoko, Ostriker, Jeremiah P., Wilkinson, Mark I.
It is now established that several of the Local Group dwarf Spheroidal galaxies (dSphs) have large mass-to-light ratios. We consider the possibility that the dark matter in the halos of dSphs is...
Is There a Missing Galaxy Problem at High Redshift? (2003)
Nagamine, Kentaro, Cen, Renyue, Hernquist, Lars, Ostriker, Jeremiah P., Springel, Volker
We study the evolution of the global stellar mass density in a Lambda cold dark matter universe using two different types of hydrodynamical simulations (Eulerian TVD and SPH) and the analytical model...
Ricotti, Massimo, Ostriker, Jeremiah P.
We investigate the possibility that there is a first phase of partial ionisation due to X-rays produced by black hole accretion in small-mass galaxies at redshifts 7
Cosmological Simulations of Elliptical Galaxy Formation in LCDM and LWDM Cosmologies (2003)
Wright, Lisa J., Ostriker, Jeremiah P., Naab, Thorsten, Efstathiou, George
We present the results of a series of gas dynamical cosmological simulations of the formation of individual massive field galaxies in the standard concordance \LCDM and in a \LWDM cosmology. The...
Ricotti, Massimo, Ostriker, Jeremiah P.
We investigate the effects of a top-heavy stellar initial mass function on the reionisation history of the intergalactic medium (IGM). We use cosmological simulations that include self-consistently...
New Light on Dark Matter (2003)
Ostriker, Jeremiah P., Steinhardt, Paul J.
Dark matter, proposed decades ago as a speculative component of the universe, is now known to be the vital ingredient in the cosmos, eight times more abundant than ordinary matter, one quarter of the...
Giant Arc Statistics In Concordance With A Concordance LCDM Universe (2003)
Wambsganss, Joachim, Bode, Paul, Ostriker, Jeremiah P.
The frequency of giant arcs - highly distorted and strongly gravitationally lensed background galaxies - is a powerful test for cosmological models. Previous comparisons of arc statistics for the...
Ostriker, Jeremiah P., Nagamine, Kentaro, Cen, Renyue, Fukugita, Masataka
While second and higher order correlations of the light distribution have received extensive study, the lowest order probability distribution function (PDF) -- the probability that a unit volume of...
Chiu, Weihsueh A., Fan, Xiaohui, Ostriker, Jeremiah P.
We present constraints on cosmological and star formation parameters based on combining observations of the Wilkinson Microwave Anisotropy Probe (WMAP) and high-redshift quasars from the Sloan...
Haiman, Zoltan, Ciotti, Luca, Ostriker, Jeremiah P.
We discuss a simple model for the growth of supermassive black holes (BHs) at the center of spheroidal stellar systems. In particular, we assess the hypotheses that (1) star formation in spheroids...
Precision Cosmology? Not Just Yet (2003)
Bridle, Sarah L., Lahav, Ofer, Ostriker, Jeremiah P., Steinhardt, Paul J.
The recent announcement from the Wilkinson Microwave Anisotropy Probe (WMAP) satellite experiment combined with other recent advances in observational cosmology verifies key components of the...
Bode, Paul, Ostriker, Jeremiah P.
An improved implementation of an N-body code for simulating collisionless cosmological dynamics is presented. TPM (Tree-Particle-Mesh) combines the PM method on large scales with a tree code to...
The first data release of the Sloan Digital Sky Survey (2003)
Abazajian, Kevork N., Adelman-McCarthy, Jennifer K., Agueros, Marcel A., Allam, Sahar S., Anderson, Scott F., Annis, James, ...
The Sloan Digital Sky Survey (SDSS) has validated and made publicly available its First Data Release. This consists of 2099 deg2 of five-band (u, g, r, i, z) imaging data, 186,240 spectra of...
Revolutionizing Science and Engineering Through Cyberinfrastructure (2003)
Daniel E. Atkins, Kelvin K. Droegemeier, Stuart I. Feldman, Hector Garcia-molina, Michael L. Klein, David G. Messerschmitt, ...
This report was prepared by an officially appointed advisory panel to the National Science Foundation, however, any opinions, findings, and conclusions or recommendations expressed in this material...
The Cosmic Triangle: Assessing the State of the Universe (2003)
Neta A. Bahcall, Jeremiah P. Ostriker, Saul Perlmutter, Paul J. Steinhardt
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 the answers to three...
Revolutionizing Science and Engineering Through Cyberinfrastructure (2003)
Daniel E. Atkins, Kelvin K. Droegemeier, Stuart I. Feldman, Hector Garcia-molina, Michael L. Klein, David G. Messerschmitt, ...
This report was prepared by an officially appointed advisory panel to the National Science Foundation, however, any opinions, findings, and conclusions or recommendations expressed in this material...
The first data release of the Sloan Digital Sky Survey (2003)
Abazajian, Kevork N., Adelman-McCarthy, Jennifer K., Agueros, Marcel A., Allam, Sahar S., Anderson, Scott F., Annis, James, ...
The Sloan Digital Sky Survey (SDSS) has validated and made publicly available its First Data Release. This consists of 2099 deg2 of five-band (u, g, r, i, z) imaging data, 186,240 spectra of...
Gravitational Lensing by a Compound Population of Halos: Standard Models (2002)
Li, Li-Xin, Ostriker, Jeremiah P.
Based on observed rotation curves of galaxies and theoretical simulations of dark matter halos, there are reasons for believing that at least three different types of dark matter halos exist in the...
Compton Heated Outflow from CDAFs (2002)
Park, Myeong-Gu, Ostriker, Jeremiah P.
Convection-dominated accretion flows (CDAF) are expected to have a shallower density profile and a higher radiation efficiency as compared to advection-dominated accretion flows (ADAF). Both...
The Cluster Mass Function from Early SDSS Data: Cosmological Implications (2002)
Bahcall, Neta A., Dong, Feng, Bode, Paul, Kim, Rita, Annis, James, McKay, Timothy A., ...
The mass function of clusters of galaxies is determined from 400 deg^2 of early commissioning imaging data of the Sloan Digital Sky Survey; ~300 clusters in the redshift range z = 0.1 - 0.2 are used....
Metallicity Evolution of Damped Lyman Alpha Systems In Lambda CDM Cosmology (2002)
Cen, Renyue, Ostriker, Jeremiah P., Prochaska, Jason X., Wolfe, Arthur M.
Utilizing a new, high mass resolution hydrodynamic simulation we compute the metallicity evolution of damped Lyman alpha systems (DLAs) and find a reasonable agreement with observations. In...
Sloan Digital Sky Survey: Early data release (2002)
Stoughton, Chirs, Lupton, Rpbert H., Bernardi, Mariangela, Blanton, Michael R., Burles, Scott, Castander, Francsico J., ...
The Sloan Digital Sky Survey (SDSS) is an imaging and spectroscopic survey that will eventually cover approximately one-quarter of the celestial sphere and collect spectra of 10 6 galaxies, 100,000...
Sloan Digital Sky Survey: early data release (2002)
Stoughton, Chris, Lupton, Robert H., Bernardi, Mariangela, Blanton, Michael R., Burles, Scott M., Castander, Francisco J., ...
The Sloan Digital Sky Survey (SDSS) is an imaging and spectroscopic survey that will eventually cover approximately one-quarter of the celestial sphere and collect spectra of ≈ 106 galaxies,...
Sloan Digital Sky Survey: early data release (2002)
Stoughton, Chris, Lupton, Robert H., Bernardi, Mariangela, Blanton, Michael R., Burles, Scott M., Castander, Francisco J., ...
The Sloan Digital Sky Survey (SDSS) is an imaging and spectroscopic survey that will eventually cover approximately one-quarter of the celestial sphere and collect spectra of ≈ 106 galaxies,...
Ciotti, Luca, Haiman, Zoltan, Ostriker, Jeremiah P.
We present a robust method to derive the duty cycle of QSO activity based on the empirical QSO luminosity function and on the present-day linear relation between the masses of supermassive black...
Hennawi, Joseph F., Ostriker, Jeremiah P.
We consider the consequences of SIDM for a velocity dependent cross section per unit mass. Accretion of SIDM onto seed black holes can produce supermassive black holes that are too large for certain...
Revealing the Warm-Hot Intergalactic Medium with OVI Absorption (2001)
Cen, Renyue, Tripp, Todd M., Ostriker, Jeremiah P., Jenkins, Edward B.
Hydrodynamic simulations of growth of cosmic structure suggest that 30-50% of the total baryons at z=0 may be in a warm-hot intergalactic medium (WHIM) with temperatures ~10^5-10^7K. The O VI \lambda...
The Expected Mass Function for Low Mass Galaxies in a CDM Cosmology: Is There a Problem? (2001)
Chiu, Weihsueh A., Gnedin, Nickolay Y., Ostriker, Jeremiah P.
It is well known that the mass function for_halos_ in CDM cosmology is a relatively steep power law for low masses, possibly too steep to be consistent with observations. But how steep is the_galaxy_...
Rayleigh Scattering and Microwave Background Fluctuations (2001)
Yu, Qingjuan, Spergel, David N., Ostriker, Jeremiah P.
During the recombination epoch, cosmic background photons couple not only to free electrons through Thompson scattering, but also to the neutral hydrogen through Rayleigh scattering. This latter is...
Warm Dark Matter, Small Scale Crisis, and the High Redshift Universe (2001)
Haiman, Zoltan, Barkana, Rennan, Ostriker, Jeremiah P.
Warm Dark Matter (WDM) models have recently been resurrected to resolve apparent conflicts of Cold Dark Matter (DM) models with observations. Endowing the DM particles with non-negligible velocities...
Constraints on Warm Dark Matter from Cosmological Reionization (2001)
Barkana, Rennan, Haiman, Zoltan, Ostriker, Jeremiah P.
We study the constraints that high-redshift structure formation in the universe places on warm dark matter (WDM) dominated cosmological models. We modify the extended Press-Schechter formalism to...
Evolution of the Luminosity Function and Colors of Galaxies in a Lambda-CDM Universe (2001)
Nagamine, Kentaro, Fukugita, Masataka, Cen, Renyue, Ostriker, Jeremiah P.
The luminosity function of galaxies is derived from a cosmological hydrodynamic simulation of a Lambda cold dark matter (CDM) universe with the aid of a stellar population synthesis model. At z=0,...
Star Formation History and Stellar Metallicity Distribution in a Cold Dark Matter Universe (2000)
Nagamine, Kentaro, Fukugita, Masataka, Cen, Renyue, Ostriker, Jeremiah P.
We study star formation history and stellar metallicity distribution in galaxies in a Lambda cold dark matter universe using a hydrodynamic cosmological simulation. Our model predicts star formation...
Evolution of the Cluster Mass Function: Gpc^3 Dark Matter Simulations (2000)
Bode, Paul, Bahcall, Neta A., Ford, Eric B., Ostriker, Jeremiah P.
High-resolution N-body simulations of four popular Cold Dark Matter cosmologies (LCDM, OCDM, QCDM, and tilted SCDM), each containing 10^5 clusters of galaxies in a cubic gigaparsec volume, are used...
Limits on Collisional Dark Matter from Elliptical Galaxies in Clusters (2000)
Gnedin, Oleg Y., Ostriker, Jeremiah P.
The dynamical evolution of galaxies in clusters is modified if dark matter is self-interacting. Heat conduction from the hot cluster halo leads to evaporation of the relatively cooler galactic halos....
Semi-Analytical Models for Lensing by Dark Halos: I. Splitting Angles (2000)
Li, Li-Xin, Ostriker, Jeremiah P.
We use the semi-analytical approach to analyze gravitational lensing of quasars by dark halos in various cold dark matter (CDM) cosmologies, in order to determine the sensitivity of the prediction...
Halo Formation in Warm Dark Matter Models (2000)
Bode, Paul, Ostriker, Jeremiah P., Turok, Neil
Discrepancies have emerged between the predictions of standard cold dark matter (CDM) theory and observations of clustering on sub-galactic scales. Warm dark matter (WDM) is a simple modification of...
Cosmic Mach Number as a Function of Overdensity and Galaxy Age (2000)
Nagamine, Kentaro, Ostriker, Jeremiah P., Cen, Renyue
We carry out an extensive study of the cosmic Mach number (\mach) on scales of R=5, 10 and 20h^-1Mpc using an LCDM hydrodynamical simulation. We particularly put emphasis on the environmental...
Baryons in the Warm-Hot Intergalactic Medium (2000)
Davé, Romeel, Cen, Renyue, Ostriker, Jeremiah P., Bryan, Greg L., Hernquist, Lars, Katz, Neal, ...
Approximately 30-40% of all baryons in the present day universe reside in a warm-hot intergalactic medium (WHIM), with temperatures between 10^5
Properties of Cosmic Shock Waves in Large Scale Structure Formation (2000)
Miniati, Francesco, Ryu, Dongsu, Kang, Hyesung, Jones, T. W., Cen, Renyue, Ostriker, Jeremiah P.
We have examined the properties of shock waves in simulations of large scale structure formation for two cosmological scenarios (a SCDM and a LCDM with Omega =1). Large-scale shocks result from...
Preheated Advection Dominated Accretion Flow (2000)
Park, Myeong-Gu, Ostriker, Jeremiah P.
All high temperature accretion solutions including ADAF are physically thick, so outgoing radiation interacts with the incoming flow, sharing as much or more resemblance with classical spherical...
Formation of Galactic Bulges (1999)
Gnedin, Nickolay Y., Norman, Michael L., Ostriker, Jeremiah P.
We use cosmological hydrodynamic simulations to investigate formation of galactic bulges within the framework of hierarchical clustering in a representative CDM cosmological model. We show that...
Collisional Dark Matter and the Origin of Massive Black Holes (1999)
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 nuclear matter,...
The Tree-Particle-Mesh N-body Gravity Solver (1999)
Bode, Paul, Ostriker, Jeremiah P., Xu, Guohong
The Tree-Particle-Mesh (TPM) N-body algorithm couples the tree algorithm for directly computing forces on particles in an hierarchical grouping scheme with the extremely efficient mesh based PM...
Dependence of Star Formation Rate on Overdensity (1999)
Nagamine, Kentaro, Cen, Renyue, Ostriker, Jeremiah P.
We use a large-scale Lambda-CDM hydrodynamical simulation to assess the dependence of the cosmic Star Formation Rate (SFR) on overdensity of luminosity. The `morphology-density relation' is...
McDonald, Patrick, Miralda-Escude, Jordi, Rauch, Michael, Sargent, Wallace L. W., Barlow, Tom A., Cen, Renyue, ...
A sample of eight quasars observed at high resolution and signal-to-noise is used to determine the probability distribution function (PDF), the power spectrum, and the correlation function of the...
The structure of dark matter halos in hierarchical clustering theories (1999)
Subramanian, Kandaswamy, Cen, Renyue, Ostriker, Jeremiah P.
During hierarchical clustering, smaller masses generally collapse earlier than larger masses and so are denser on the average. The core of a small mass halo could be dense enough to resist disruption...
Chiu, Weihsueh A., Ostriker, Jeremiah P.
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-scale hydrodynamical...
Cosmic Chemical Evolution (1999)
Cen, Renyue, Ostriker, Jeremiah P.
Numerical simulations of standard cosmological scenarios have now reached the degree of sophistication required to provide tentative answers to the fundamental question: Where and when were the heavy...
Time Evolution of Galaxy Formation and Bias in Cosmological Simulations (1999)
Blanton, Michael, Cen, Renyue, Ostriker, Jeremiah P., Strauss, Michael A., Tegmark, Max
The clustering of galaxies relative to the mass distribution declines with time because: first, nonlinear peaks become less rare events; second, the densest regions stop forming new galaxies because...
Nagamine, Kentaro, Cen, Renyue, Ostriker, Jeremiah P.
We compute the cosmic star formation rate (SFR) and the rest-frame comoving luminosity density in various pass-bands as a function of redshift using large-scale \Lambda-CDM hydrodynamical simulations...
On the Self-Consistent Response of Stellar Systems to Gravitational Shocks (1999)
Gnedin, Oleg Y., Ostriker, Jeremiah P.
We study the reaction of a globular star cluster to a time-varying tidal perturbation (gravitational shock) using self-consistent N-body simulations and address two questions. First, to what extent...
Thermal Properties of Two-Dimensional Advection Dominated Accretion Flow (1999)
Park, Myeong-Gu, Ostriker, Jeremiah P.
We study the thermal structure of the widely adopted two-dimensional advection dominated accretion flow (ADAF) of Narayan & Yi (1995a). The critical radius for a given mass accretion rate, outside of...
Accuracy of Mesh Based Cosmological Hydrocodes: Tests and Corrections (1998)
Cen, Renyue, Ostriker, Jeremiah P.
We perform a variety of tests to determine the numerical resolution of the cosmological TVD eulerian code developed by Ryu et al (1993). Tests include 512^3 and 256^3 simulations of a Pk=k^{-1}...
Hydrodynamics of Accretion onto Black Holes (1998)
Park, Myeong-Gu, Ostriker, Jeremiah P.
Spherical and axisymmetric accretion onto black holes is discussed. Physical processes in various families of solutions are explained and their characteristics are summarized. Recently discovered...
Physical Bias of Galaxies From Large-Scale Hydrodynamic Simulations (1998)
Cen, Renyue, Ostriker, Jeremiah P.
We analyze a new large-scale ($100h^{-1}$Mpc) numerical hydrodynamic simulation of the popular $\Lambda$CDM cosmological model, including in our treatment dark matter, gas and star-formation, on the...
The Physical Origin of Scale Dependent Bias in Cosmological Simulations (1998)
Blanton, Michael, Cen, Renyue, Ostriker, Jeremiah P., Strauss, Michael A.
Using large-scale hydrodynamic simulations with heuristic criteria for galaxy formation, we investigate how the galaxy field is related to the mass density and the gas temperature. We find that the...
Cen, Renyue, Ostriker, Jeremiah P.
New, high resolution, large-scale, cosmological hydrodynamic galaxy formation simulations of a standard cold dark matter model (with a cosmological constant) are utilized to predict the distribution...
Effects of Tidal Shocks on the Evolution of Globular Clusters (1998)
Gnedin, Oleg Y., Lee, Hyung Mok, Ostriker, Jeremiah P.
We present new Fokker-Planck models of the evolution of globular clusters, including gravitational tidal shocks. We extend our calculations beyond the core collapse by adopting three-body binary...
Suginohara, Tatsushi, Ostriker, Jeremiah P.
We use high-resolution hydrodynamic simulations to investigate the density profile of hot gas in clusters of galaxies, adopting a variant of cold dark matter cosmologies and employing a cosmological...
Evolution of Globular Clusters: Effects of Tidal Shocks (1997)
Gnedin, Oleg Y., Ostriker, Jeremiah P.
The semi-analytic theory of tidal shocks proves to be a powerful tool to study tidal interactions of star clusters and satellite galaxies with their massive hosts. New models of the globular cluster...
Tidal Shocking by Extended Mass Distributions (1997)
Gnedin, Oleg Y., Hernquist, Lars, Ostriker, Jeremiah P.
We derive expressions for the tidal field exerted by a spherically symmetric galaxy having an extended mass distribution, and use our analysis to calculate tidal perturbations and heating of stars in...
On the Clustering of Lyman Alpha Clouds (1997)
Cen, Renyue, Phelps, Steven, Miralda-Escudé, Jordi, Ostriker, Jeremiah P.
We examine the correlational property of $\lya$ clouds in detail and compare it to that of mass and galaxies. We show that the correlation strength of $\lya$ clouds is somewhat weaker than that of...
Chiu, Weihsueh A., Ostriker, Jeremiah P., Strauss, Michael A.
(Abridged) By comparing the frequency of typical events with that of unusual events, one can test whether the cosmological density distribution function is consistent with the normally made...
The Galaxy Pairwise Velocity Dispersion as a Function of Local Density (1997)
Strauss, Michael A., Ostriker, Jeremiah P., Cen, Renyue
The standard method of measuring the galaxy pairwise velocity dispersion on small scales is heavily weighted by the densest regions in a way that is difficult to calibrate. We propose a new statistic...
Dynamics of ``Small Galaxies'' in the Hubble Deep Field (1997)
Colley, Wesley N., Gnedin, Oleg Y., Ostriker, Jeremiah P., Rhoads, James E.
We have previously found in the Hubble Deep Field a significant angular correlation of faint, high color-redshift objects on scales below one arcsecond, or several kiloparsecs in metric size. We...
Reionization of the Universe and the Early Production of Metals (1996)
Gnedin, Nickolay Y., Ostriker, Jeremiah P.
We simulate a plausible cosmological model in considerable physical and numerical detail through the successive phases of reheating (at 10
The Globular Cluster Luminosity Function as a Distance Indicator: Dynamical Effects (1996)
Ostriker, Jeremiah P., Gnedin, Oleg Y.
The dynamical evolution of the globular cluster systems in galaxies is predicted, based on the standard dynamical theory normalized to the example of the Milky Way. The major processes varying with...
Testing Cosmological Models by Gravitational Lensing: I. Method and First Applications (1996)
Wambsganss, Joachim, Cen, Renyue, Ostriker, Jeremiah P.
Gravitational lensing directly measures mass density fluctuations along the lines of sight to very distant objects. No assumptions need to be made concerning bias, the ratio of fluctuations in galaxy...
Reheating of the Universe and Population III (1996)
Ostriker, Jeremiah P., Gnedin, Nickolay Y.
We note that current observational evidence strongly favors a conventional recombination of ionized matter subsequent to redshift z=1200, followed by reionization prior to redshift z=5 and compute...
The Protogalactic Origin for Cosmic Magnetic Fields (1996)
Kulsrud, Russell M., Cen, Renyue, Ostriker, Jeremiah P., Ryu, Dongsu
It is demonstrated that strong magnetic fields are produced from a zero initial magnetic field during the pregalactic era, when galaxies are first forming. Their development proceeds in three phases....
Wambsganss, Joachim, Cen, Renyue, Xu, Guohong, Ostriker, Jeremiah P.
Weak gravitational lensing by large-scale structure affects the determination of the cosmological deceleration parameter $q_0$. We find that the lensing induced dispersions on truly standard candles...
Destruction of the Galactic Globular Cluster System (1996)
Gnedin, Oleg Y., Ostriker, Jeremiah P.
We investigate the dynamical evolution of the Galactic Globular Cluster System in considerably greater detail than has been done hitherto, finding that destruction rates are significantly larger than...
Are Hubble Deep Field Galaxy Counts Whole Numbers? (1996)
Colley, Wesley N., Rhoads, James E., Ostriker, Jeremiah P., Spergel, David N.
We compute the two-point angular correlation function and number-magnitude relation of Hubble Deep Field sources in order to assess their nature. We find that the correlation peaks between 0.25...
Ostriker, Jeremiah P., Cen, Renyue
We compute, including a current state-of-the-art treatment of hydrodynamical processes, heating and cooling, a variety of cosmological models into the extreme nonlinear phase to enable comparisons...
The Lyman Alpha Forest from Gravitational Collapse in the CDM+Lambda Model (1995)
Miralda-Escude, Jordi, Cen, Renyue, Ostriker, Jeremiah P., Rauch, Michael
We model the $\lya$ forest in a spatially flat, CDM model with $\Omega=0.4$, with an Eulerian hydrodynamic simulation, and find that the intergalactic, photoionized gas collapses into sheet-like and...
Lubin, Lori M., Cen, Renyue, Bahcall, Neta A., Ostriker, Jeremiah P.
The observed baryon fraction and velocity--temperature relation in clusters of galaxies are compared with hydrodynamic simulations in two cosmological models : standard (Omega = 1) and a low-density...
Background X-ray Emission from Hot Gas in CDM and CDM+Lambda Universes: Spectral Signatures (1995)
Cen, Renyue, Kang, Hyesung, Ostriker, Jeremiah P., Ryu, Dongsu
We present a new treatment of two popular models for the growth of structure, examining the X-ray emission from hot gas with allowance for spectral line emission from various atomic species,...
Pattern in Nonlinear Gravatational Clustering: A Numerical Investigation (1995)
Padmanabhan, T., Cen, Renyue, Ostriker, Jeremiah P., Summers, F J
The nonlinear clustering of dark matter particles in an expanding universe is usually studied by N-body simulations. One can gain some insight into this complex problem if simple relations between...
Topology of Large-Scale Structure by Galaxy Type: Hydrodynamic Simulations (1995)
Gott, J. Richard, Cen, Renyue, Ostriker, Jeremiah P.
The topology of large scale structure is studied as a function of galaxy type using the genus statistic. In hydrodynamical cosmological CDM simulations, galaxies form on caustic surfaces (Zeldovich...
Stable and Unstable Accretion Flows with Angular Momentum near a Point Mass (1995)
Ryu, Dongsu, Brown, Garry L., Ostriker, Jeremiah P., Loeb, Abraham
The properties of axisymmetric accretion flows of cold adiabatic gas with zero total energy in the vicinity of a Newtonian point mass are characterized by a single dimensionless parameter, the...
Using X-rays to Determine Which Compact Groups are Illusory (1994)
Ostriker, Jeremiah P., Lubin, Lori M., Hernquist, Lars
If the large-scale galaxy distribution is filamentary, as suggested by some observations and recent hydrodynamical simulations, then lengthwise views of filaments will apparently produce compact...
Cosmological Simulations Using Special Purpose Computers: Implementing P3M on Grape (1994)
Brieu, Philippe P., Summers, FJ, Ostriker, Jeremiah P.
An adaptation of the Particle-Particle/Particle-Mesh (P3M) code to the special purpose hardware GRAPE is presented. The short range force is calculated by a four chip GRAPE-3A board, while the rest...
Testing Cosmogonic Models with Gravitational Lensing (1994)
Wambsganss, Joachim, Cen, Renyue, Ostriker, Jeremiah P., Turner, Edwin L.
Gravitational lensing provides a strict test of cosmogonic models. Detailed numerical propagation of light rays through a universe having a distribution of inhomogeneities derived from the standard...
Gravitational Collapse of Small-Scale Structure as the Origin of the Lyman Alpha Forest (1994)
Cen, Renyue, Miralda-Escude, Jordi, Ostriker, Jeremiah P., Rauch, Michael
If gravitational clustering is a hierarchical process, the present large-scale structure of the galaxy distribution implies that structures on smaller scales must have formed at high redshift. We...
A Hydrodynamic Approach to Cosmology: The Mixed Dark Matter Cosmological Scenario (1994)
Cen, Renyue, Ostriker, Jeremiah P.
We compute the evolution of spatially flat, mixed cold and hot dark matter (``MDM") models containing both baryonic matter and two kinds of dark matter. The mean final Zeldovich-Sunyaev $y$ parameter...
Cen, Renyue, Ostriker, Jeremiah P.
A new, three-dimensional, shock capturing, TVD hydrodynamic code is utilized to determine the distribution of hot gas in a CDM$+\Lambda$ model universe. This open model succeeds in matching local...
Hot Gas in the CDM Scenario: X-Ray Clusters from a High Resolution Numerical Simulation (1994)
Kang, Hyesung, Cen, Renyue, Ostriker, Jeremiah P., Ryu, Dongsu
We exmaine the distribution of hot gas in a standard CDM model of the universe using high resolution hydrodynamic simulations. Adopting standard parameters determined from COBE and light element...
A Comparison of Cosmological Hydrodynamic Codes (1994)
Kang, Hyesung, Ostriker, Jeremiah P., Cen, Renyue, Ryu, Dongsu, Hernquist, Lars, Evrard, August E., ...
We present a detailed comparison of the simulation results of various cosmological hydrodynamic codes. Starting with identical initial conditions based on the Cold Dark Matter scenario for the growth...
X-Ray Clusters From A High Resolution Hydrodynamic Ppm Simulation Of The Cdm Universe (1994)
Greg Bryan, Renyue Cen, Michael L. Norman, Jeremiah P. Ostriker, James M. Stone
A new three dimensional Piecewise Parabolic Method (PPM) based hydrodynamic code is utilized to compute the distribution of hot gas in the standard COBE normalized CDM universe. Utilizing periodic...
Cosmology of the Early Universe Viewed Through the New Infrastructure. (0000)
Examines the cosmology of the early universe through the use of scientific research. Discussion on the Sloan Digital Sky Survey schedule for 1997; Examination into the origin of sponge-like...
Outstanding problems and instrumental prospects for the coming decade (A Review)*†
After a review of the discovery of external galaxies and the early classification of these enormous aggregates of stars into visually recognizable types, a new classification scheme is suggested...
Outstanding problems and instrumental prospects for the coming decade (A Review)*†
After a review of the discovery of external galaxies and the early classification of these enormous aggregates of stars into visually recognizable types, a new classification scheme is suggested...
Cosmology of the Early Universe Viewed Through the New Infrastructure.
Examines the cosmology of the early universe through the use of scientific research. Discussion on the Sloan Digital Sky Survey schedule for 1997; Examination into the origin of sponge-like...