chemical_abundances (ravedr4.chemical_abundances)

Description

The page describes the columns and properties of the table with abundances from C. Boeche"s pipeline.

Attribution

Funding for Rave has been provided by:

the Leibniz Institute for Astrophysics Potsdam (AIP);
the Australian Astronomical Observatory;
the Australian National University;
the Australian Research Council;
the French National Research Agency;
the German Research Foundation (SPP 1177 and SFB 881);
the European Research Council (ERC-StG 240271 Galactica);
the Istituto Nazionale di Astrofisica at Padova;
the Johns Hopkins University;
the National Science Foundation of the USA (AST-0908326);
the W. M. Keck foundation;
the Macquarie University;
the Netherlands Research School for Astronomy;
the Natural Sciences and Engineering Research Council of Canada;
the Slovenian Research Agency;
the Swiss National Science Foundation;
the Science & Technology FacilitiesCouncil of the UK;
Opticon;
Strasbourg Observatory;
the Universities of Basel, Groningen, Heidelberg and Sydney.

This work has made use of data from the European Space Agency (ESA) mission Gaia (https://www.cosmos.esa.int/gaia), processed by the GaiaData Processing and Analysis Consortium (DPAC, https://www.cosmos.esa.int/web/gaia/dpac/consortium). Funding for the DPAC has been provided by national institutions, in particular the institutions participating in the Gaia Multilateral Agreement.

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