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 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 |