2 lensed quasars light curves Virtual Observatory Resource

Authors
  1. Eulaers E.
  2. Tewes M.
  3. Magain P.
  4. Courbin F.
  5. Asfandiyarov I.,Ehgamberdiev Sh.
  6. Rathna Kumar S.
  7. Stalin C.S.
  8. Prabhu T.P.
  9. Meylan G.,Van Winckel H.
  10. Published by
    CDS
Abstract

Within the framework of the COSMOGRAIL collaboration we present 7- and 8.5-year-long light curves and time-delay estimates for two gravitationally lensed quasars: SDSS J1206+4332 and HS 2209+1914. We monitored these doubly lensed quasars in the R-band using four telescopes: the Mercator, Maidanak, Himalayan Chandra, and Euler Telescopes, together spanning a period of 7 to 8.5 observing seasons from mid-2004 to mid-2011. The photometry of the quasar images was obtained through simultaneous deconvolution of these data. The time delays were determined from these resulting light curves using four very different techniques: a dispersion method, a spline fit, a regression difference technique, and a numerical model fit. This minimizes the bias that might be introduced by the use of a single method.

Keywords
  1. quasars
  2. gravitational-lensing
  3. photometry
Bibliographic source Bibcode
2013A&A...553A.121E
See also HTML
https://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/553/A121
IVOA Identifier IVOID
ivo://CDS.VizieR/J/A+A/553/A121
Document Object Identifer DOI
doi:10.26093/cds/vizier.35530121

Access

Web browser access HTML
https://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/A+A/553/A121
https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/A+A/553/A121
http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/A+A/553/A121
IVOA Table Access TAP
https://tapvizier.cds.unistra.fr/TAPVizieR/tap
Run SQL-like queries with TAP-enabled clients (e.g., TOPCAT).

History

2013-05-22T10:19:00Z
Resource record created
2013-05-22T10:19:00Z
Created
2017-07-10T06:21:56Z
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