CORE
šŗš¦Ā
Ā make metadata, not war
Services
Services overview
Explore all CORE services
Access to raw data
API
Dataset
FastSync
Content discovery
Recommender
Discovery
OAI identifiers
OAI Resolver
Managing content
Dashboard
Bespoke contracts
Consultancy services
Support us
Support us
Membership
Sponsorship
Community governance
Advisory Board
Board of supporters
Research network
About
About us
Our mission
Team
Blog
FAQs
Contact us
research
Measuring Cosmological Parameters with the JVAS and CLASS Gravitational Lens Surveys
Authors
R. D. Blandford
I. W. A. Browne
+12Ā more
A. G. de Bruyn
C. D. Fassnacht
P. Helbig
N. Jackson
L. V. E. Koopmans
J. F. Macias-Perez
D. R. Marlow
S. T. Myers
R. Quast
D. Rusin
P. N. Wilkinson
E. Xanthopoulos
Publication date
1 January 1999
Publisher
View
on
arXiv
Abstract
The JVAS (Jodrell Bank-VLA Astrometric Survey) and CLASS (Cosmic Lens All-Sky Survey) are well-defined surveys containing about ten thousand flat-spectrum radio sources. For many reasons, flat-spectrum radio sources are particularly well-suited as a population from which one can obtain unbiased samples of gravitational lenses. These are by far the largest gravitational (macro)lens surveys, and particular attention was paid to constructing a cleanly-defined sample for the survey itself and for the underlying luminosity function. Here we present the constraints on cosmological parameters, particularly the cosmological constant, derived from JVAS and combine them with constraints from optical gravitational lens surveys, `direct' measurements of
Ī©
0
\Omega_{0}
Ī©
0
ā
,
H
0
H_{0}
H
0
ā
and the age of the universe, and constraints derived from CMB anisotropies, before putting this final result into the context of the latest results from other, independent cosmological tests.Comment: LaTeX, 9 pages, 6 PostScript figures, uses texas.sty. To appear in the Proceedings of the 19th Texas Symposium on Relativistic Astrophysics and Cosmology (CD-ROM). Paper version available on request. Actual poster (A0 and A4 versions) available from http://multivac.jb.man.ac.uk:8000/helbig/research/publications/info/ texas98.htm
Similar works
Full text
Open in the Core reader
Download PDF
Available Versions
Open Repository and Bibliography - LiĆØge
See this paper in CORE
Go to the repository landing page
Download from data provider
oai:orbi.ulg.ac.be:2268/244759
Last time updated on 16/03/2020
Caltech Authors - Main
See this paper in CORE
Go to the repository landing page
Download from data provider
oai:authors.library.caltech.ed...
Last time updated on 05/02/2021
NARCIS
See this paper in CORE
Go to the repository landing page
Download from data provider
Last time updated on 30/03/2019
ARTS repository - University of Groningen
See this paper in CORE
Go to the repository landing page
Download from data provider
oai:pure.rug.nl:publications/3...
Last time updated on 03/06/2022
University of Groningen Research Database
See this paper in CORE
Go to the repository landing page
Download from data provider
oai:pure.rug.nl:publications/3...
Last time updated on 28/11/2018
University of Groningen
See this paper in CORE
Go to the repository landing page
Download from data provider
oai:pure.rug.nl:publications/3...
Last time updated on 29/10/2019
ARTS repository - University of Groningen
See this paper in CORE
Go to the repository landing page
Download from data provider
oai:pure.rug.nl:openaire_cris_...
Last time updated on 22/04/2023