Paper published in a book (Scientific congresses and symposiums)
Measuring the Hubble constant with lens time delays in inhomogeneous universes
Helbig, Phillip
1997In Helbig, Phillip; Jackson, Neal (Eds.) Golden Lenses, Proceedings of a workshop held 23-25 June, 1997 at Jodrell Bank. Online at <A href="http://www.astro.multivax.de:8001/ceres/workshop1/proceedings.html">http://www.astro.multivax.de:8001/ceres/workshop1/proceedings.html</A>, id.27
 

Files


Full Text
golden.pdf
Publisher postprint (315.2 kB)
Download

All documents in ORBi are protected by a user license.

Send to



Details



Keywords :
cosmology; gravitational lensing; Hubble constant
Abstract :
[en] The effects of a locally inhomogeneous universe on the uncertainty of the Hubble constant as determined from measured time delays in gravitational lens systems is discussed. The effect has been described adequately in the literature, but it is usually not taken into account when discussing measurements of the Hubble constant using gravitational lens time delays. Depending on the cosmological model and the redshifts of the particular lens system considered, the effect of local inhomogeneity can significantly increase the uncertainty in the determination of hnull, and in `probable' cosmological models can be the dominant uncertainty.
Disciplines :
Space science, astronomy & astrophysics
Author, co-author :
Helbig, Phillip  ;  Université de Liège - ULiège > Form. doct. sc. (sc. spatiales - paysage)
Language :
English
Title :
Measuring the Hubble constant with lens time delays in inhomogeneous universes
Publication date :
01 April 1997
Event name :
Golden Lenses
Event place :
Jodrell Bank, United Kingdom
Event date :
from 23-06-1997 to 25-06-1997
Audience :
International
Main work title :
Golden Lenses, Proceedings of a workshop held 23-25 June, 1997 at Jodrell Bank. Online at <A href="http://www.astro.multivax.de:8001/ceres/workshop1/proceedings.html">http://www.astro.multivax.de:8001/ceres/workshop1/proceedings.html</A>, id.27
Editor :
Helbig, Phillip
Jackson, Neal
Name of the research project :
CERES
Funders :
UE - Union Européenne [BE]
Available on ORBi :
since 08 March 2020

Statistics


Number of views
32 (2 by ULiège)
Number of downloads
9 (0 by ULiège)

Bibliography


Similar publications



Contact ORBi