HIRES/Keck radial velocity database Virtual Observatory Resource

Authors
  1. Teklu J.T.
  2. Perdelwitz V.
  3. Butler R.P.
  4. Trifonov T.
  5. Vogt S.S.
  6. Mukhija D.,Tal-Or L.
  7. Published by
    CDS
Abstract

The first HIRES/Keck precision radial velocity (RV) catalog was released in 2017, followed by a second release in 2019, incorporating corrections for minor but significant systematic errors. We have expanded this catalog to March 2023, with 17971 RV measurements for 1702 stars. Furthermore, we have included the chromospheric emission lines CaII H&K indicator (R'HK), which is among the most prominent tracers of stellar activity. The manifestation of stellar activity, accompanied by minor systematic errors in high-resolution optical stellar spectra, could affect exoplanets detected by the RV method. We provide R'HK measurements for~40% of the HIRES catalog alongside RVs to mitigate these effects. The precision RVs were obtained using an iodine gas absorption cell, and relative, chromospheric emissions at the CaII H&K lines were derived from the same spectra used for RV measurements. The emitted flux was extracted by rectifying the observed spectra with PHOENIX synthetic models across six narrow bands surrounding the H and K lines, followed by the subtraction of the photospheric contribution. The updated catalog may help distinguish stellar activity effects from planetary signals in RV time series, corroborating previously detected planetary candidates and aiding the detection of new ones.

Keywords
  1. multiple-stars
  2. exoplanets
  3. radial-velocity
Bibliographic source Bibcode
2025A&A...702A..68T
See also HTML
https://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/702/A68
IVOA Identifier IVOID
ivo://CDS.VizieR/J/A+A/702/A68

Access

Web browser access HTML
https://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/A+A/702/A68
https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/A+A/702/A68
http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/A+A/702/A68
IVOA Table Access TAP
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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/A+A/702/A68/table1?
https://vizier.iucaa.in/viz-bin/conesearch/J/A+A/702/A68/table1?
http://vizieridia.saao.ac.za/viz-bin/conesearch/J/A+A/702/A68/table1?
IVOA Cone Search SCS
For use with a cone search client (e.g., TOPCAT).
https://vizier.cds.unistra.fr/viz-bin/conesearch/J/A+A/702/A68/tablea1?
https://vizier.iucaa.in/viz-bin/conesearch/J/A+A/702/A68/tablea1?
http://vizieridia.saao.ac.za/viz-bin/conesearch/J/A+A/702/A68/tablea1?

History

2025-10-07T11:38:57Z
Resource record created
2025-10-07T11:38:57Z
Created
2026-04-07T08:58:26Z
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