Eric Perlman

Data Exploration of Turbulence Simulations using a Database Cluster ABSTRACT (2008)

Eric Perlman, Al Burns

We describe a new environment for the exploration of turbulent flows that uses a cluster of databases to store complete histories of Direct Numerical Simulation (DNS) results. This allows for spatial...

A public turbulence database cluster and applications to study Lagrangian evolution of velocity increments in turbulence (2008)

Li, Yi, Perlman, Eric, Wan, Minping, Yang, Yunke, Meneveau, Charles, Burns, Randal, ...

A public database system archiving a direct numerical simulation (DNS) data set of isotropic, forced turbulence is described in this paper. The data set consists of the DNS output on $1024^3$ spatial...

Data Exploration of Turbulence Simulations using a Database Cluster ABSTRACT (2008)

Eric Perlman, Al Burns

We describe a new environment for the exploration of turbulent flows that uses a cluster of databases to store complete histories of Direct Numerical Simulation (DNS) results. This allows for spatial...

Gemini Imaging of Mid-IR Emission from the Nuclear Region of Centaurus A (2008)

Radomski, James T., Packham, Christopher, Levenson, N. A., Perlman, Eric, Leeuw, Lerothodi L., Matthews, Henry, ...

We present high spatial resolution mid-IR images of the nuclear region of NGC 5128 (Centaurus A). Images were obtained at 8.8 micron, N-band (10.4 micron), and 18.3 micron using the mid-IR...

Session S3A THE UCSC KESTREL HIGH PERFORMANCE SIMD PROCESSOR: PRESENT AND FUTURE (2007)

Francisco Mesa-martinez, Eric Perlman, Richard Hughey

single-board linear array processor with 512 8-bit processing elements. In the process of building the machine, we have touched nearly all aspects of computer engineering, from VLSI layout to board...

Hubble Space Telescope far-ultraviolet imaging of the jet in 3C273: a common emission component from optical to X-rays (2007)

Jester, Sebastian, Meisenheimer, Klaus, Martel, Andre', Perlman, Eric, Sparks, Bill

We present far-ultraviolet (UV) observations at 150 nm of the jet of the quasar 3C 273 obtained with the Advanced Camera for Survey's Solar Blind Channel (ACS/SBC) on board the Hubble Space...

Hubble Space Telescope Near-Infrared Snapshot Survey of 3CR radio source counterparts at low redshift (2006)

Madrid, Juan P., Chiaberge, Marco, Floyd, David, Sparks, William B., Macchetto, Duccio, Miley, George K., ...

We present newly acquired images of the near-infrared counterpart of 3CR radio sources. All the sources were selected to have a redshift of less than 0.3 to allow us to obtain the highest spatial...

The jet and circumnuclear environment of 3C 293 (2006)

Floyd, David, Perlman, Eric, Leahy, J. Patrick, Beswick, RJ, Jackson, Neal, Sparks, William, ...

Also archived in: arXiv:astro-ph/0510853 v1 31 Oct 2005 AND Space Telescope Science Institute Eprint #1703

The jet and circumnuclear environment of 3C 293 (2006)

Floyd, David, Perlman, Eric, Leahy, J. Patrick, Beswick, Rob, Jackson, Neal, Sparks, William, ...

Also archived in: arXiv:astro-ph/0510853 v1 31 Oct 2005 AND Space Telescope Science Institute Eprint #1703

An optical-IR jet in 3C133 (2006)

Floyd, David J. E., Laing, Robert, Chiaberge, Marco, Perlman, Eric, Sparks, William, Macchetto, Duccio, ...

We report the discovery of a new optical-IR synchrotron jet in the radio galaxy 3C133 from our HST/NICMOS snapshot survey. The jet and eastern hotspot are well resolved, and visible at both optical...

An optical-IR jet in 3C 133 (2005)

Floyd, David, Laing, Robert, Chiaberge, Marco, Perlman, Eric, Sparks, William, Macchetto, Duccio, ...

Also archived in: arXiv:astro-ph/0602021 v1 1 Feb 2006 AND Space Telescope Science Institute Eprint #1711

An optical-IR jet in 3C 133 (2005)

Floyd, David, Laing, Robert, Chiaberge, Marco, Perlman, Eric, Sparks, William, Macchetto, Duccio, ...

Also archived in: arXiv:astro-ph/0602021 v1 1 Feb 2006 AND Space Telescope Science Institute Eprint #1711

The Jet and Circumnuclear Environment of 3C 293 (2005)

Floyd, David J. E., Perlman, Eric, Leahy, J. Patrick, Beswick, R. J., Jackson, Neal J., Sparks, William B., ...

We present the new HST near-infrared polarimetry, broad and narrow-band imaging, and MERLIN 4.5GHz Multi-Frequency Synthesis radio imaging of 3C 293, a unique radio galaxy whose host is an obvious...

The Warped Nuclear Disk of Radio Galaxy 3C 449 (2005)

Tremblay, Grant R., Quillen, Alice C., Floyd, David J. E., Noel-Storr, Jacob, Baum, Stefi A., Axon, David, ...

Among radio galaxies containing nuclear dust disks, the bipolar jet axis is generally observed to be perpendicular to the disk major axis. The FR I radio source 3C 449 is an outlier to this...

How is the blazar GeV emission really produced? (2005)

Georganopoulos, Markos, Perlman, Eric, Kazanas, Demosthenes, Wingert, Brian

We show that the external Compton (EC) model for the production of the GeV emission in blazars makes specific predictions for the spectrum and variability of those blazars characterized by a high...

The infrared-dominated jet of 3C401 (2005)

Chiaberge, Marco, Sparks, William. B., Macchetto, F. Duccio, Perlman, Eric, Capetti, Alessandro, Balmaverde, Barbara, ...

We present a Hubble Space Telescope image of the FRII radio galaxy 3C 401, obtained at 1.6 microns with the NICMOS camera in which we identify the infrared counterpart of the brightest region of the...

Bulk Comptonization of the Cosmic Microwave Background by Extragalactic Jets as a Probe of their Matter Content (2005)

Georganopoulos, Markos, Kazanas, Demosthenes, Perlman, Eric, Stecker, Floyd

We propose a method for estimating the composition, i.e. the relative amounts of leptons and protons, of extragalactic jets which exhibit X-ray bright knots in their kpc scale jets. The method relies...

Optical Structure and Physics of the M87 Jet (2001)

Perlman, Eric, Sparks, William, Biretta, John, Macchetto, Duccio, Leahy, J. Patrick

We summarize HST observations of the M87 jet, concentrating on polarimetry and spectral index maps, and compare its optical and radio structures. The evidence now supports a stratified model for the...

The Deep X-ray Radio Blazar Survey (DXRBS) (1998)

Padovani, Paolo, Perlman, Eric, Giommi, Paolo, Sambruna, Rita, Jones, Laurence R., Tzioumis, Anastasios, ...

We have undertaken a survey for blazars by correlating the ROSAT WGACAT database with publicly available radio catalogs, restricting our candidate list to serendipitous flat-spectrum sources (alpha_r...

The Deep X-ray Radio Blazar Survey (DXRBS). I. Methods and First Results (1998)

Perlman, Eric, Padovani, Paolo, Giommi, Paolo, Sambruna, Rita, Jones, Laurence R., Tzioumis, Anastasios, ...

We have undertaken a survey of archived, pointed ROSAT PSPC data for blazars by correlating the ROSAT WGACAT database with several publicly available radio catalogs, restricting our candidate list to...