Spatial variation in fine-structure constant Virtual Observatory Resource

Authors
  1. King J.A.
  2. Webb J.K.
  3. Murphy M.T.
  4. Flambaum V.V.
  5. Carswell R.F.,Bainbridge M.B.
  6. Wilczynska M.R.
  7. Koch F.E.
  8. Published by
    CDS
Abstract

Quasar absorption lines provide a precise test of whether the fine-structure constant, {alpha}, is the same in different places and through cosmological time. We present a new analysis of a large sample of quasar absorption-line spectra obtained using the Ultraviolet and Visual Echelle Spectrograph (UVES) on the Very Large Telescope (VLT) in Chile. We apply the many-multiplet method to derive values of {DELTA}{alpha}/{alpha}==({alpha}z-{alpha}0)/{alpha}0 from 154 absorbers, and combine these values with 141 values from previous observations at the Keck Observatory in Hawaii.

Keywords
  1. quasars
  2. redshifted
  3. spectroscopy
Bibliographic source Bibcode
2012MNRAS.422.3370K
See also HTML
https://cdsarc.cds.unistra.fr/viz-bin/cat/J/MNRAS/422/3370
IVOA Identifier IVOID
ivo://CDS.VizieR/J/MNRAS/422/3370
Document Object Identifer DOI
doi:10.26093/cds/vizier.74223370

Access

Web browser access HTML
http://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/MNRAS/422/3370
https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/MNRAS/422/3370
http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/MNRAS/422/3370
IVOA Table Access TAP
http://tapvizier.cds.unistra.fr/TAPVizieR/tap
Run SQL-like queries with TAP-enabled clients (e.g., TOPCAT).
IVOA Cone Search SCS
For use with a cone search client (e.g., TOPCAT).
http://vizier.cds.unistra.fr/viz-bin/conesearch/J/MNRAS/422/3370/tablea1?
https://vizier.iucaa.in/viz-bin/conesearch/J/MNRAS/422/3370/tablea1?
http://vizieridia.saao.ac.za/viz-bin/conesearch/J/MNRAS/422/3370/tablea1?

History

2013-03-20T13:23:03Z
Resource record created
2013-03-20T13:23:03Z
Created
2024-07-17T20:15:50Z
Updated

Contact

Name
CDS support team
Postal Address
CDS, Observatoire de Strasbourg, 11 rue de l'Universite, F-67000 Strasbourg, France
E-Mail
cds-question@unistra.fr