Gravitational Lenses and the Hubble Constant: Present and Future

Goicoechea, L. J.; Mediavilla, E.; Oscoz, A.; Serra, M.; Buitrago, J.
Bibliographical reference

Astrophysics and Space Science, v. 261, Issue 1/4, p. 341-344 (1998).

Advertised on:
1
1998
Number of authors
5
IAC number of authors
1
Citations
7
Refereed citations
6
Description
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.