Free Access
Table 3.
Structure of the online version of the blue horizontal-branch candidate star catalogue.
| Table entry | Units | Description |
|---|---|---|
| source_id | – | Gaia EDR3 unique source identifier |
| RA2000 | degrees | FK5 J2000.0 right ascension |
| DEC2000 | degrees | FK5 J2000.0 declination |
| parallax | mas | Parallax |
| parallax_error | mas | Parallax error |
| phot_g_mean_mag | mag | G-band mean apparent magnitude |
| bp_rp | mag | BP − RP colour |
| abs_g_mag | mag | G-band mean absolute magnitude |
| tangential_velocity | km s−1 | Tangential velocity |
| pmra | mas yr−1 | Proper motion in the right ascension direction |
| pmra_error | mas yr−1 | Standard error of proper motion in the right ascension direction |
| pmdec | mas yr−1 | Proper motion in the declination direction |
| pmdec_error | mas yr−1 | Standard error of proper motion in the declination direction |
| total_proper_motion | mas yr−1 | Total proper motion (μ) |
| total_proper_motion_over_error | mas yr−1 | Standard error of total proper motion (σμ) |
| reduced_proper_motion | mas yr−1 | Reduced proper motion (H) |
| abs_mag_flag | – | BHB star identified using parallax |
| reduced_pm_flag | – | BHB star identified using proper motions |
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.