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 dex [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 dex [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 dex [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 dex [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 dex [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 dex [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 dex Log gravity (Note 2, DR5)
met_n_k float phys.abund.Z dex Calibrated metallicity [m/H]
met_c float phys.abund.Z dex [m/H] [Chemical Pipeline]
alpha_c float phys.abund dex [Alpha/Fe] [Chemical pipeline]
stn_c float stat.snr (R+) 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