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Measuring Dark Energy with Gamma-Ray Bursts

Measuring Dark Energy with Gamma-Ray Bursts

Measuring Dark Energy with Gamma-Ray Bursts. Fayin Wang and Z. G. Dai Astronomy Department of Nanjing University. Gamma-Ray Burst Cosmology. High-redshift star-formation rate High-redshift intergalactic medium (reionization) Cosmic expansion and dark energy.

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375 views • 26 slides
GLOBAL DISTANCE DUALITY RELATION AND THE TEMPERATURE PROFILE OF GALAXY CLUSTERS

GLOBAL DISTANCE DUALITY RELATION AND THE TEMPERATURE PROFILE OF GALAXY CLUSTERS

GLOBAL DISTANCE DUALITY RELATION AND THE TEMPERATURE PROFILE OF GALAXY CLUSTERS. Speaker: Shuo Cao Department of Astronomy, BNU. I. The validity of distance duality relation II. Two groups of cluster gas mass fraction data including 52 X-ray luminous galaxy clusters observed by Chandra.

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337 views • 21 slides
Spectroscopy in Cosmology and Galaxy Evolution 2005-2015 Conference Summary

Spectroscopy in Cosmology and Galaxy Evolution 2005-2015 Conference Summary

Spectroscopy in Cosmology and Galaxy Evolution 2005-2015 Conference Summary. Michael Strauss Princeton University. There are many imaging surveys planned in the optical (e.g., Pan-STARRS, VISTA, LSST), and near-IR (UKIDSS, DUNE).

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145 views • 14 slides
Gravitational Lensing Distorts Counts of Very High Redshift Galaxies

Gravitational Lensing Distorts Counts of Very High Redshift Galaxies

Gravitational Lensing Distorts Counts of Very High Redshift Galaxies. Stuart Wyithe (Univ. Melbourne), Haojing Yan (Ohio State Univ.), Rogier Windhorst (Arizona State Unv.), Shude Mao (Univ. Manchester & NAOC, China) (Based on Publication in Nature, Jan 12, 2011)

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170 views • 7 slides

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