Bibcode
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
Journal
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.