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Monthly Archives: September 2011

Notes

Talk: Magnetar Dynamics & Grav. Waves

29 Sep 2011 John Wise Leave a comment
Kostas Kokkotas (Tübingen)
  • Magnetars exhibit regular gamma-ray flares that are preceded by star quakes or glitches in the pulsations.  The largest flares have L ~ 10^47 erg/s (3 since 1979).
  • No natural explanation for (1) sudden stop of activity P ~ 12 sec and (2) AXP-SNR association but no SGR-SNR association
  • Thompson & Duncan (1990's) – developed a … Continue Reading ››
talk
astro-ph

29 Sept 2011

29 Sep 2011 John Wise Leave a comment
  • (abs, pdf) Pritchard & Loeb, 21-cm cosmology
  • (abs, pdf) Lin et al., Large-Scale High-Lundquist Number Reduced MHD Simulations of the Solar Corona Using GPU Accelerated Machines
  • (abs, pdf) Maeder & Meynet, Rotating massive stars through the ages, with applications to WR stars, Pop III stars and Gamma Ray Bursts
21cmGPUMethodsPop3Reion
astro-ph

28 Sept 2011

28 Sep 2011 John Wise Leave a comment
  • (abs, pdf) van de Voort et al., Cold accretion flows and the nature of high column density HI absorption at redshift 3
ColdFlowsGalForm
astro-ph

27 Sept 2011

27 Sep 2011 John Wise Leave a comment
  • (abs, pdf) Groen et al., High performance cosmological simulations on a grid of supercomputers
Methods
astro-ph

26 Sept 2011

25 Sep 2011 John Wise Leave a comment
  • (abs, pdf) Meiksin & Tittley, The impact of helium reionization on the structure of the intergalactic medium
Reion
astro-ph

23 Sept 2011

23 Sep 2011 John Wise Leave a comment
  • (abs, pdf) Neistein et al., Hydrodynamical simulations and semi-analytic models of galaxy formation: two sides of the same coin
  • (abs, pdf) Keres et al., Moving mesh cosmology: characteristics of galaxies and haloes
  • (abs, pdf) Yajima et al., ART^2 : Coupling Lyman-alpha Line and Multi-wavelength Continuum Radiative Transfer
GalFormTransfer
astro-ph

22 Sept 2011

21 Sep 2011 John Wise Leave a comment
  • (abs, pdf) Bauer & Springel, Shocking results without shocks: Subsonic turbulence in smoothed particle hydrodynamics and moving-mesh simulations
Turb
astro-ph

21 Sept 2011

21 Sep 2011 John Wise Leave a comment
  • (abs, pdf) Nichols et al., Episodic starbursts in dwarf spheroidal galaxies: a simple model
  • (abs, pdf) Alexander et al., Galactic Centre star formation: the case of the missing gas disc
  • (abs, pdf) Krumholz et al., A Universal, Local Star Formation Law in Galactic Clouds, Nearby Galaxies, High-Redshift Disks, and Starbursts
dSphGalFormSMBHStarForm
Notes

GPU Meeting (20 Sept 2011)

20 Sep 2011 John Wise Leave a comment
Matt Kinsey: Porting the 2D Wave Equation to the GPU
  • Optimal number of threads per block is 32*n-1, where n is an integer.  The best performance in the example shown was 63 threads per block.
  • Minimum number of blocks per grid is 32, according to the user's guide.
  • Every time a kernel is called, the memory needs to … Continue Reading ››
GPUtalk
astro-ph

20 Sept 2011

20 Sep 2011 John Wise Leave a comment
  • (abs, pdf) Gualandris et al., Massive black hole binary plane reorientation in rotating stellar systems
  • (abs, pdf) Shen et al., The origin of metals in the circum-galactic medium of massive galaxies at z=3
  • (abs, pdf) Clark et al., TreeCol: a novel approach to estimating column densities in astrophysical simulations
GalFormMetalsSMBHTransfer

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Recent Posts

  • Newly minted PhD: Kirk Barrow 3 Apr 2018
  • Newly Minted PhD: Qi Ge 15 Mar 2018
  • New Paper: Supermassive Star Formation in a Cosmological Context 12 Mar 2018
  • New paper: Connection between early and local galaxies 28 Jan 2018
  • New paper: Supermassive star formation 28 Jan 2018

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