Gravitational Lenses and the Hubble Constant : Present and Future
天体物理学
2009-10-30 v1
摘要
The best studied gravitational lens is the Twin QSO Q0957+561, and as a result of recent advances in observations and modelling, a ten percent measurement of the Hubble constant is attainable. We discuss in detail this system and review the perspectives in a near future.
引用
@article{arxiv.astro-ph/9801315,
title = {Gravitational Lenses and the Hubble Constant : Present and Future},
author = {L. J. Goicoechea and E. Mediavilla and A. Oscoz and M. Serra-Ricart and J. Buitrago},
journal= {arXiv preprint arXiv:astro-ph/9801315},
year = {2009}
}
备注
4 pages (1 figure), LaTeX (crckapb.sty + psfig.sty). To appear in the Proceedings of the Symposium "The non-sleeping universe : from galaxies to the horizon" (27 to 29 Nov. 1997, Centro de Astrofisica da Universidade do Porto, Portugal), which will be published as a special issue of Astrophys. and Space Sci