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The Formation of Population III Binaries from Cosmological Initial Conditions.
Simulation by Matthew Turk, Tom Abel, and Brian O'Shea. Image by Ralf Kaehler.
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Still from a simulation depicting an early stage of a gamma-ray burst. Collaborators: Stan Woosley (UCSC) and Weiqun Zhang (Stanford University).
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"Simulated Observations" generated using the Sunrise code.
Image credit: Chris Moody
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BigBolshoi Cosmological Simulation. Image Credit: Stefan Gottloeber (AIP)
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Simulated Observations generated using the Sunrise code. Image Credit: Patrik Jonsson (Harvard/CfA)
The purpose of the University of California High-Performance AstroComputing Center (UC-HiPACC) is to realize the full potential of the University of California world class resources in computational astronomy. Read the letter from the Director
May 2013 AstroShort: Planck: Revising the Universe

 The Universe is about 100 million years older than perviously estimated and is expanding slightly more slowly; it also has slightly more dark matter and a bit less dark energy than previously suspected...

Cray XE6 supercomputer Hopper, named for 20th-century computer scientist Grace Hopper, performed most of the Planck calculations. Hopper is at the DOE National Energy Scientific Computing Center at Lawrence Berkeley National Laboratory. Credit: Roy Kaltschmidt


 



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posted: 2013-05-10 08:55:13
March 2013 AstroShort: Planets Amidst the Noise

 Tau Ceti’s five Earth-sized planets were not supposed to be there. They revealed themselves when Steven S. Vogt, astrophysics professor at UC Santa Cruz, and his collaborators were testing a new noise-analysis method on spectrometer data to calibrate a new computational technique...

The Sun moves around the barycenter (center of mass) of our solar system, depending on the positions of the planets. Detecting barycentric movement of other stars from precision radial velocity (RV) measurements can reveal the presence of Earth-mass planets; the pattern of movement can reveal number, masses, and orbits. Credit: Carl Smith, Rubik-wuerfel


 



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posted: 2013-03-21 15:20:42
UC-HiPACC’s Spring & Summer 2013 Grant Application now open!

 UC-HiPACC will support focused working groups of UC scientists from multiple campuses to pursue joint projects in computational astrophysics by providing funds for travel and lodging. At the heart of UC-HiPACC are working groups. These groups will typically consist of collaborations of two to a dozen people, in practice mostly graduate students and post-doctoral fellows, from two or more UC campuses or DOE labs. Periods will typically range from a few days to a few months. UC-HiPACC funding can provide career-shaping opportunities for students in which they learn from other leading faculty members, master skills not taught on their own campus, line up writers for crucial letters of recommendation, and form other contacts and alliances that can powerfully shape their future careers. Some collaborations will also bring together senior astrophysicists with computer scientists and engineers to extend the state of the art in computation and data analysis. More Information




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posted: 2013-03-18 14:10:23
UC-HiPACC 2013 Summer School: "Star and Planet Formation"

 UPDATE: Deadline extended to Saturday, March 23 - Star and planet formation are central drivers in cosmic evolution: they control generation of radiation, synthesis of heavy elements, and development of potential sites for life. Because star and planet formation involve numerous physical processes operating over orders of magnitude in length and time scale, computational simulations have become essential to progress in the field.

The objective of the 2013 UC-HiPACC AstroComputing Center advanced International Summer School on AstroComputing (ISSAC) is to train the next generation of researchers—current graduate students and postdoctoral fellows—in the use of large-scale simulations for problems in star and planet formation. The three-week school will cover many of the major public codes in use today, including tutorials and hands-on experience running and analyzing simulations. Students will receive accounts on the new 3,000-core supercomputer Hyades on the UCSC campus for the duration of the school. Download Press Release (PDF)




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posted: 2013-03-12 12:53:02
UC-HiPACC—The First Three Years: 2010–2012

 UC-HiPACC—The First Three Years: 2010–2012 summarizes the Center's principal programs, activities, and achievements during its first three years, 2010-2012, as well as some looks ahead for 2013.




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posted: 2013-03-01 16:22:16
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In the News
  • "Computational Astronomy Boot Camp" - a feature in the Winter 2012-2013 issue of Science Writers, the quarterly magazine of the National Association of Science Writers, by Trudy E. Bell. ...view article

  • "The Cosmological Supercomputer: How the Bolshoi simulation evolves the universe all over again" - an expert Feature in the October 2012 issue of IEEE Spectrum...view article

Spotlight
James S. Bullock (UCI)
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James S. Bullock, professor of astronomy and astrophysics at UC Irvine, was captivated by astronomy at age 8 by Carl Sagan's TV series Cosmos. Today he explores such fundamental questions of cosmology as: Why there is so much invisible dark ma ...
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Mark Krumholz (UCSC)
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Mark Krumholz, assistant professor of astronomy and astrophysics at UC Santa Cruz, asks: why do stars have the masses they do? This big question has fascinated astrophysicists since the 1920s because it leads to other neat questions ...
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Allan Snavely (SDSC)
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The Astrocomputing community mourns the loss of Dr. Allan Snavely, the former associate director of the San Diego Supercomputer Center, who unexpectedly passed away in July 2012 at the age of 49. ...
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