3 papers
astro-ph1999
Gravitational lensing statistics with extragalactic surveys. IV. Joint constraints from gravitational lensing statistics and CMB anisotropies
J. F. Macias-Perez, P. Helbig, R. Quast +2
We present constraints on the cosmological constant lambda_0 and the density parameter Omega_0 from joint constraints from the analyses of gravitational lensing statistics of the J…
astro-ph1999
VLA 8.4 GHz monitoring observations of the CLASS gravitational lens B1933+503
I. W. A. Browne, E. Xanthopoulos, A. D. Biggs +1
The complex 10-component gravitational lens B1933+503 has been monitored with the VLA during the period February to June 1998. Here we present the results of this A-configuration 8…
astro-ph1999
Gravitational lensing statistics with extragalactic surveys. III. Joint constraints on lambda_0 and Omega_0 from lensing statistics and the m-z relation for type Ia supernovae
Phillip Helbig
I present constraints on cosmological parameters in the lambda_0-Omega_0 plane from a joint analysis of gravitational lensing statistics (astro-ph/9904175) and the magnitude-redshi…