Spectral distances to DA white dwarfs Virtual Observatory Resource

Authors
  1. Holberg J.B.
  2. Bergeron P.
  3. Gianninas A.
  4. Published by
    CDS
Abstract

Using recent photometric calibrations, we develop greatly improved distance estimates for DA white dwarfs using multi-band synthetic photometry based on spectroscopic temperatures and gravities. Very good correlations are shown to exist between our spectroscopically based photometric distance estimates and those derived from trigonometric parallaxes. We investigate the uncertainties involved in our distance estimates, as well as discuss the circumstances where such techniques are most likely to fail. We apply our techniques to the large sample of Sloan Digital Sky Survey DA white dwarfs where automated fitting of HI Balmer profiles yields spectrometric temperatures and gravities. We determine simple empirical corrections to these temperatures and gravities with respect to published slit spectroscopy. After applying these T_eff_-logg corrections as well as appropriate interstellar extinction corrections, where necessary, we derive spectroscopically based photometric distances for 7062 DA stars from this sample.

Keywords
  1. effective-temperature
  2. visible-astronomy
  3. trigonometric-parallax
  4. infrared-photometry
  5. Wide-band photometry
  6. white-dwarf-stars
  7. stellar-distance
Bibliographic source Bibcode
2008AJ....135.1239H
See also HTML
https://cdsarc.cds.unistra.fr/viz-bin/cat/J/AJ/135/1239
IVOA Identifier IVOID
ivo://CDS.VizieR/J/AJ/135/1239
Document Object Identifer DOI
doi:10.26093/cds/vizier.51351239

Access

Web browser access HTML
https://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/AJ/135/1239
https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/AJ/135/1239
http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/AJ/135/1239
IVOA Table Access TAP
https://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).
https://vizier.cds.unistra.fr/viz-bin/conesearch/J/AJ/135/1239/table1?
https://vizier.iucaa.in/viz-bin/conesearch/J/AJ/135/1239/table1?
http://vizieridia.saao.ac.za/viz-bin/conesearch/J/AJ/135/1239/table1?
IVOA Cone Search SCS
For use with a cone search client (e.g., TOPCAT).
https://vizier.cds.unistra.fr/viz-bin/conesearch/J/AJ/135/1239/UBVRI?
https://vizier.iucaa.in/viz-bin/conesearch/J/AJ/135/1239/UBVRI?
http://vizieridia.saao.ac.za/viz-bin/conesearch/J/AJ/135/1239/UBVRI?
IVOA Cone Search SCS
For use with a cone search client (e.g., TOPCAT).
https://vizier.cds.unistra.fr/viz-bin/conesearch/J/AJ/135/1239/ugriz?
https://vizier.iucaa.in/viz-bin/conesearch/J/AJ/135/1239/ugriz?
http://vizieridia.saao.ac.za/viz-bin/conesearch/J/AJ/135/1239/ugriz?
IVOA Cone Search SCS
For use with a cone search client (e.g., TOPCAT).
https://vizier.cds.unistra.fr/viz-bin/conesearch/J/AJ/135/1239/table7?
https://vizier.iucaa.in/viz-bin/conesearch/J/AJ/135/1239/table7?
http://vizieridia.saao.ac.za/viz-bin/conesearch/J/AJ/135/1239/table7?

History

2010-07-29T12:43:59Z
Resource record created
2010-07-29T12:43:59Z
Created
2017-06-19T07:57:03Z
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