伽玛暴(Gamma-Ray Burst)笔记。记录有关伽玛暴的新文章,另外也包括看的老文章、自己的想法、以及跟天文相关的一些东西。 Feel free to leave me a message by comments or by email.

星期三, 六月 24, 2009

Sathyaprakash, B. S. 2009 探测引力波的爱因斯坦卫星

主要内容:
还在设计阶段, 预计可以探测红移2-8的致密双星的并合.

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文章信息:

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· arXiv e-print (arXiv:0906.4151)
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Title:
Cosmography with the Einstein Telescope
Authors:
Sathyaprakash, B. S.; Schutz, Bernard; Van Den Broeck, Chris
Publication:
eprint arXiv:0906.4151
Publication Date:
06/2009
Origin:
ARXIV
Keywords:
Astrophysics - Cosmology and Extragalactic Astrophysics
Comment:
4 pages, 2 figures
Bibliographic Code:
2009arXiv0906.4151S

Abstract

Einstein Telescope (ET) is a 3rd generation gravitational-wave (GW) detector that is currently undergoing a design study. ET can detect millions of compact binary mergers up to redshifts 2-8. A small fraction of mergers might be observed in coincidence as gamma-ray bursts, helping to measure both the luminosity distance and red-shift to the source. By fitting these measured values to a cosmological model, it should be possible to accurately infer the dark energy equation-of-state, dark matter and dark energy density parameters. ET could, therefore, herald a new era in cosmology.
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