August 6, 2013 - Our paper "Pre-Processing and Post-Processing in Group-Cluster Mergers" has been accepted by Monthly Notices of the Royal Astronomical Society.
June 21, 2013 - My student Rukmani Vijayaraghavan and I submitted our paper "Pre-Processing and Post-Processing in Group-Cluster Mergers" to Monthly Notices of the Royal Astronomical Society.
June 20, 2013 - Our paper "Evolution of Post-Impact Remnant Helium Stars in Type Ia Supernova Remnants within the Single Degenerate Scenario" has been accepted by The Astrophysical Journal.
May 9, 2013 - My student Gary Foreman's Computational Science and Engineering Fellowship was renewed for a second year!
May 3, 2013 - My student Robert Chamberlain has passed his Ph. D. preliminary exam.
April 29, 2013 - My student Rukmani Vijayaraghavan has passed her Ph. D. preliminary exam.
April 22, 2013 - My student Kuo-Chuan Pan has successfully defended his Ph. D. thesis in astronomy. Kuo-Chuan goes on to a postdoctoral position with Friedel Thielemann at the University of Basel.
March 22, 2013 - Our group was awarded 6 million CPU-hours on the NSF XSEDE Kraken system in support of our galaxy cluster and binary star simulation work.
March 6, 2013 - My student Kuo-Chuan Pan, collaborator Ron Taam, and I submitted our paper "Evolution of Post-Impact Remnant Helium Stars in Type Ia Supernova Remnants within the Single Degenerate Scenario" to The Astrophysical Journal.
January 25, 2013 - My student Gary Foreman has passed his Ph. D. preliminary exam.
September 30, 2012 - Our paper "Evolution of Post-Impact Companion Stars in SNIa Remnants within the Single-Degenerate Scenario" has been accepted by The Astrophysical Journal.
September 13, 2012 - Our paper "A First Estimate of Radio Halo Statistics from Large-Scale Cosmological Simulation" has been accepted by The Astrophysical Journal.
September 5, 2012 - Our paper "Theoretical Uncertainties due to AGN Subgrid Models in Predictions of Galaxy Cluster Observable Properties" has been accepted by Monthly Notices of the Royal Astronomical Society.
June 13, 2012 - Our paper "Imposing a Lagrangian Particle Framework on an Eulerian Hydrodynamics Infrastructure in FLASH" has been accepted by The Astrophysical Journal Supplements.
June 13, 2012 - My student Kuo-Chuan Pan, collaborator Ron Taam, and I submitted our paper "Evolution of Post-Impact Companion Stars in SNIa Remnants within the Single-Degenerate Scenario" to The Astrophysical Journal.
May 4, 2012 - My student Gary Foreman has received a Computational Science and Engineering Fellowship from the University of Illinois CSE Program for 2012-13!
March 7, 2012 - Our paper "Impact of Type Ia Supernova Ejecta on Binary Companions in the Single-Degenerate Scenario" has been accepted by The Astrophysical Journal.
January 19, 2012 - My student Kuo-Chuan Pan, collaborator Ron Taam, and I submitted our paper "Impact of Type Ia Supernova Ejecta on Binary Companions in the Single-Degenerate Scenario" to The Astrophysical Journal.
December 22, 2011 - Our paper "An AMR Study of the Common Envelope Phase of Binary Evolution" has been accepted by The Astrophysical Journal.
December 12, 2011 - My student Karen Yang and I have submitted our paper "Theoretical Uncertainties of AGN Subgrid Models in Predictions of Galaxy Cluster Observable Properties" to Monthly Notices of the Royal Astronomical Society.
December 8, 2011 - I've been notified that my application for a UIUC Center for Advanced Study Associateship has been accepted for the 2012-13 academic year, subject to Board of Trustees approval.
October 22, 2011 - Our group was awarded 2.8 million CPU-hours on NASA high-end computing systems in support of our LMC simulation work.
September 22, 2011 - Our paper "An Examination of Magnetized Outflows from Active Galactic Nuclei in Galaxy Clusters" has been accepted by Monthly Notices of the Royal Astronomical Society.
August 15, 2011 - My student Paul Sutter and I have submitted our paper "An Examination of Magnetized Outflows from Active Galactic Nuclei in Galaxy Clusters" to Monthly Notices of the Royal Astronomical Society.
July 18, 2011 - My collaborator Ronald Taam and I have submitted our paper "An AMR Study of the Common Envelope Phase of Binary Evolution" to The Astrophysical Journal.
July 2, 2011 - My student Paul Sutter and I have submitted our paper "A First Estimate of Radio Halo Statistics from Large-Scale Cosmological Simulation" to The Astrophysical Journal.
June 28, 2011 - My student Hsiang-Yi (Karen) Yang has successfully defended her Ph.D. thesis in astronomy. Karen goes on to a postdoc with Mateusz Ruszkowski (U. Michigan).
June 22, 2011 - Our group was awarded 8.5 million CPU-hours on the NSF Teragrid Kraken system in support of our galaxy cluster simulation work and 2.5 million CPU-hours on the Teragrid Ranger system in support of our binary star simulation work.
May 16, 2011 - My student Paul Sutter has successfully defended his Ph.D. thesis in physics. Paul goes on to a postdoc with Ben Wandelt (IAP).
May 6, 2011 - My student Kuo-Chuan Pan's Computational Science and Engineering Fellowship has been renewed for a second year!
April 5, 2011 - The Halo-Finder Comparison Project paper (Knebe et al., arXiv:1104.0949), to which my student Paul Sutter contributed our parallel in-code halo finder for FLASH, has been accepted for publication in Monthly Notices of the Royal Astronomical Society.
November 7, 2010 - Our group was awarded 4.3 million CPU-hours on the NSF Teragrid Kraken system in support of our galaxy cluster simulation work.
October 27, 2010 - Our group was awarded 2.3 million CPU-hours on NASA high-end computing systems in support of our galaxy cluster simulation work.
October 14, 2010 - Our paper "The Impact of Cluster Structure and Dynamical State on Scatter in the Sunyaev-Zel'dovich Flux-Mass Relation" has been accepted by The Astrophysical Journal.
September 7, 2010 - Our paper "Examining Subgrid Models of Supermassive Black Holes in Cosmological Simulation" has been accepted by The Astrophysical Journal.
August 4, 2010 - My student Karen Yang, collaborator Suman Bhattacharya, and I submitted our paper "The Impact of Cluster Structure and Dynamical State on Scatter in the Sunyaev-Zel'dovich Flux-Mass Relation" to The Astrophysical Journal.
May 14, 2010 - Our group has been selected for a NASA Fermi Guest Investigator Program grant based on our proposal "Simulating Cosmic Rays in the Large Magellanic Cloud."
May 7, 2010 - My student Kuo-Chuan Pan has received a Computational Science and Engineering Fellowship from the University of Illinois CSE Program for 2010-11!
April 15, 2010 - My student Paul Sutter and I submitted our paper "Examining Subgrid Models of Supermassive Black Holes in Cosmological Simulation" to The Astrophysical Journal.
April 1, 2010 - Our paper "Impact of Type Ia Supernova Ejecta on a Helium-Star Binary Companion" has been accepted by The Astrophysical Journal.
February 2, 2010 - My student Kuo-Chuan Pan, collaborator Ron Taam, and I submitted our paper "Impact of Type Ia Supernova Ejecta on a Helium-Star Binary Companion" to The Astrophysical Journal.
October 26, 2009 - Our group was awarded 2 million CPU-hours on NASA high-end computing systems in support of our galaxy cluster simulation work.
September 23, 2009 - Our group was awarded 1.3 million CPU-hours on the NSF Teragrid Ranger system in support of our binary star simulation work.
August 26, 2009 - New web site rollout. I'm working on migrating the old movies and images (e.g. of cluster merger simulations and hiking trips) as time permits. Old research and interests pages can still be accessed here for the time being.
July 27, 2009 - My article "Petascale Challenges for Cosmological Simulation" appeared in the June SIAM News.