Measured DIB 8620 Virtual Observatory Resource

Authors
  1. Zhao H.
  2. Schultheis M.
  3. Rojas-Arriagada A.
  4. Recio-Blanco A.
  5. de Laverny P.,Kordopatis G.
  6. Surot F.
  7. Published by
    CDS
Abstract

We made use of the measurements from the Giraffe Inner Bulge Survey (GIBS) and the Gaia-ESO survey (GES) to study the kinematics and distance of the carrier of the DIB at 862nm, as well as other properties. We confirmed a tight relation between EW and E(J-Ks) as well as Av, with similar fitting coefficients as found by previous works. With a more accurate sample and the consideration of the solar motion, the rest-frame wavelength of DIB 8620 was redetermined as 8620.83 angstroms. We studied the kinematics of the DIB carriers by tracing their median radial velocities in each field in the local standard of rest and into the galactocentric frame, respectively, as a function of the Galactic longitudes. Based on the median velocity and two Galactic rotation models, we got valid kinematic distances of the DIB carriers for nine GIBS and ten GES fields. We also found a linear relation between the DIB 8620 measured in this work and the near-infrared DIB in APOGEE spectra at 1.5273 micron.

Keywords
  1. interstellar-medium
  2. line-intensities
Bibliographic source Bibcode
2021A&A...654A.116Z
See also HTML
https://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/654/A116
IVOA Identifier IVOID
ivo://CDS.VizieR/J/A+A/654/A116
Document Object Identifer DOI
doi:10.26093/cds/vizier.36540116

Access

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History

2021-10-22T10:01:44Z
Resource record created
2021-10-22T10:01:44Z
Created
2022-01-19T13:05:23Z
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