Velocity dispersions for CALIFA Galaxies Virtual Observatory Resource

Authors
  1. Gilhuly C.
  2. Courteau S.
  3. Sanchez S.F.
  4. Published by
    CDS
Abstract

We present tables of velocity dispersions derived from CALIFA V1200 datacubes using PIPE3D. Four different dispersions are extracted from emission (ionized gas) or absorption (stellar) spectra, with two spatial apertures (5 and 30arcsec). Stellar and ionized gas dispersions are not interchangeable and we determine their distinguishing features. We also compare these dispersions with literature values and construct sample scaling relations to further assess their applicability. We consider revised velocity-based scaling relations using the virial velocity parameter S^2^_K_=KV^2^_rot_+{sigma}^2^ constructed with each of our dispersions. Our search for the strongest linear correlation between S_K_ and i-band absolute magnitudes favours the common K~0.5, though the range 0.3-0.8 is statistically acceptable. The reduction of scatter in our best stellar mass-virial velocity relations over that of a classic luminosity-velocity relation is minimal; this may however reflect the dominance of massive spirals in our sample.

Keywords
  1. galaxies
  2. catalogs
  3. galaxy-kinematics
  4. visible-astronomy
  5. h-alpha-photometry
Bibliographic source Bibcode
2019MNRAS.482.1427G
See also HTML
https://cdsarc.cds.unistra.fr/viz-bin/cat/J/MNRAS/482/1427
IVOA Identifier IVOID
ivo://CDS.VizieR/J/MNRAS/482/1427
Document Object Identifer DOI
doi:10.26093/cds/vizier.74821427

Access

Web browser access HTML
https://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/MNRAS/482/1427
https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/MNRAS/482/1427
http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/MNRAS/482/1427
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/MNRAS/482/1427/table1?
https://vizier.iucaa.in/viz-bin/conesearch/J/MNRAS/482/1427/table1?
http://vizieridia.saao.ac.za/viz-bin/conesearch/J/MNRAS/482/1427/table1?

History

2022-08-01T15:12:33Z
Resource record created
2022-08-01T15:12:33Z
Created
2024-08-19T20:14:38Z
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