Open Access
Table 1.
Description of the columns of the Gaia RVS spectra VMP stars catalogue available at the CDS.
| Column | Description | Unit | Type |
|---|---|---|---|
| source_id | Gaia DR3 Source ID | NA | Longint |
| RA | Gaia DR3 right ascension in ICRS (J2016) format | deg | Float |
| Dec | Gaia DR3 declination in ICRS (J2016) format | deg | Float |
| G_0 | De-reddened GaiaG magnitude | Unitless | Float |
| BP_0 | De-reddened GaiaGBP magnitude | Unitless | Float |
| RP_0 | De-reddened GaiaGRP magnitude | Unitless | Float |
| parallax | Gaia DR3 parallax | mas | Float |
| parallax_error | Uncertainty on the Gaia DR3 parallax | mas | Float |
| snr | Signal-to-noise ratio of the renormalised Gaia RVS spectra | Unitless | Float |
| v_offset | Radial velocity offset from the rest frame | km s−1 | Float |
| dv_offset | Uncertainty in the radial velocity offset from the rest frame | km s−1 | Float |
| ew1 | Equivalent width of the first calcium triplet line around 850.035 nm | nm | Float |
| dew1 | Uncertainty on the equivalent width of the first calcium triplet line around 850.035 nm | nm | Float |
| ew2 | Equivalent width of the second calcium triplet line around 854.444 nm | nm | Float |
| dew2 | Uncertainty on the equivalent width of the second calcium triplet line around 854.444 nm | nm | Float |
| ew3 | Equivalent width of the third calcium triplet line around 866.452 nm | nm | Float |
| dew3 | Uncertainty on the equivalent width of the third calcium triplet line around 866.452 nm | nm | Float |
| feh | Spectroscopic metallicity derived in this work using Gaia RVS spectra | Unitless | Float |
| dfeh | Measurement uncertainty associated with the spectroscopic metallicity derived | Unitless | Float |
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