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Achieving Extreme Resolution in Numerical Cosmology Using Adaptive Mesh Refinement: Resolving Primordial Star Formation
Greg L. Bryan, Tom Abel, Michael L. Norman
As an entry for the 2001 Gordon Bell Award in the "special" category, we describe our 3-d, hybrid, adaptive mesh refinement (AMR) code, Enzo, designed for high-resolution, multiphy…
Probing the OVI forest
Greg L. Bryan, Taotao Fang
Recent FUSE and STIS observations of OVI absorption at low redshift along the sightline to distant quasars have been interpreted as the signature of a warm-hot diffuse component of…
A Chandra HETG Observation of the Quasar H 1821+643 and Its Surrounding Cluster
T. Fang, D. S. Davis, J. C. Lee +3
We present the high-resolution X-ray spectrum of the low-redshift quasar H 1821+643 and its surrounding hot cluster observed with the Chandra High Energy Transmission Grating Spect…
Probing the Intergalactic Medium with the OVI Forest
T. Fang, G. L. Bryan
Recent STIS and FUSE observations have detected OVI absorption lines at low redshift that are not clearly associated with any galactic system. In this paper, we argue that these li…
Simulating the X-ray Forest
T. Fang, G. L. Bryan, C. R. Canizares
Numerical simulations predict that a large number of baryons reside in intergalactic space at temperatures between 10^5-10^7 K. Highly-ionized metals, such as O VII and O VIII, are…
Chandra Observations of a Cluster and Two Quasars at High Redshift
C. R. Canizares, T. E. Jeltema, T. Fang +6
We observed MS 1054-0321, the highest redshift cluster of galaxies in the Einstein Medium Sensitivity Survey (EMSS), with the Chandra ACIS-S detector. We find the X-ray temperature…