Open Access
Table 5.
Summary of CU8 parameters in Gaia DR3 source-based tables.
| Total | Maximum | |||
|---|---|---|---|---|
| Number of | related | sources | ||
| Parameter description | Fieldname root | variants | fields | [million] |
| Classification | ||||
| Class probabilities | classprob | 4 | 24 | 1591 |
| Class labels | classlabel | 4 | 7 | 7 |
| Spectral types | spectraltype | 1 | 1 | 218 |
| Interstellar | ||||
| Extinction in G band | ag | 7 | 20 | 470 |
| Extinction at 541 nm | azero | 7 | 20 | 470 |
| Extinction in GBP band | abp | 5 | 15 | 470 |
| Extinction in GRP band | arp | 5 | 15 | 470 |
| Reddening | ebpminrp | 6 | 17 | 470 |
| Diffuse interstellar band | dib | 1 | 9 | 0.5 |
| Distance | distance | 6 | 18 | 470 |
| Stellar-spectroscopic | ||||
| Effective temperature | teff | 9 | 25 | 470 |
| Surface gravity | logg | 8 | 23 | 470 |
| Global metallicity | mh | 8 | 24 | 470 |
| α-element over iron abundance | alphafe | 2 | 6 | 5 |
| Iron and elemental abundances | fem, feiim, xfe(a) | 1 | 65 | 3 |
| Activity index | activityindex | 1 | 3 | 3 |
| Projected rotation velocity | vsini | 1 | 2 | 2 |
| Equivalent widths | ew | 2 | 8 | 235 |
| Binary component Teff | teff_msc1, teff_msc2 | 1 | 6 | 380 |
| Binary component log g | logg_msc1, logg_msc2 | 1 | 6 | 380 |
| Stellar-evolutionary | ||||
| Luminosity | lum | 2 | 6 | 280 |
| Absolute G magnitude | mg | 5 | 15 | 470 |
| Radius | radius | 7 | 21 | 470 |
| Mass | mass | 2 | 6 | 140 |
| Age | age | 2 | 6 | 130 |
| Evolutionary stage | evolstage | 2 | 2 | 170 |
| Gravitational redshift | gravredshift | 2 | 6 | 280 |
| Extragalactic and outlier analysis | ||||
| redshift | redshift | 2 | 6 | 6 |
| Characteristic of outlier neuron | neuron | 1 | 3 | 56 |
| Auxiliary | ||||
| Logarithm of posterior probability | logposterior | 6 | 6 | |
| Logarithm of χ2 from fit | logchisq | 2 | 2 | |
| Bolometric correction | bc | 2 | 2 | |
| Processing and quality flags | flags | 10 | 10 | |
| MCMC acceptance rate | mcmcaccept | 6 | 6 | |
| Drift of MSC MCMC chain | mcmcdrift | 1 | 1 | |
| Name of GSP-Phot best library | libname | 1 | 2 | |
| Redshift CCF ratio | ccfratio | 1 | 1 | |
| Redshift quality indicator | zscore | 1 | 1 | |
Notes. See text for the definition of ‘variants’ and ‘related fields’ (Sect. 5.3).
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.