chemical_abundances (ravedr4.chemical_abundances)
The table has 313130 rows, 23 columns.
Description
The page describes the columns and properties of the table with abundances from C. Boeche's pipeline.
Attribution
Funding for RAVE (www.rave-survey.org) has been provided by institutions of the RAVE participants and by their national funding agencies.
Columns
| Name | Type | UCD | Unit | Description |
|---|---|---|---|---|
| rave_obs_id | char | meta.id | Unique Identifier for RAVE objects, Observation Date, Fieldname, Fibernumber | |
| mg | float | phys.abund.Z | [Mg/H] abundance of Mg | |
| mg_n | short | meta.number | Number of used spectral lines in calc. of [Mg/H] | |
| al | float | phys.abund.Z | [Al/H] abundance of Al | |
| al_n | short | meta.number | Number of used spectral lines in calc. of [Al/H] | |
| si | float | phys.abund.Z | [Si/H] abundance of Si | |
| si_n | short | meta.number | Number of used spectral lines in calc. of [Si/H] | |
| ti | float | phys.abund.Z | [Ti/H] abundance of Ti | |
| ti_n | short | meta.number | Number of used spectral lines in calc. of [Ti/H] | |
| fe | float | phys.abund.Z | [Fe/H] abundance of Fe | |
| fe_n | short | meta.number | Number of used spectral lines in calc. of [Fe/H] | |
| ni | float | phys.abund.Z | [Ni/H] abundance of Ni | |
| ni_n | short | meta.number | Number of used spectral lines in calc. of [Ni/H] | |
| teff_k | float | phys.temperature.effective | K | Effective temperature |
| logg_k | float | phys.gravity | Log gravity (Note 2, DR5) | |
| met_n_k | float | phys.abund.Z | Calibrated metallicity [m/H] | |
| met_c | float | phys.abund.Z | [m/H] [Chemical Pipeline] | |
| alpha_c | float | phys.abund | [Alpha/Fe] [Chemical pipeline] | |
| stn_c | float | stat.snr | Signal / Noise Ratio Chemical pipeline | |
| frac_c | float | stat.value | Chemical pipeline, fraction | |
| n_tot | short | meta.number | total number of evaluated spectra | |
| chisq_c | float | stat.fit.chi2 | chi square [Chemical pipeline] | |
| sigma_c | float | stat.param | Chemical pipeline, best matching line profile |
