All names: Gaia DR2 6786170583925433216, UCAC4 300-263317, GALEX J212335.9-300213, Gaia DR3 6786170583925433216, 2MASS J21233595-3002140, EC21206-3015, TIC 211379912, EC 21206-3015
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 21 23 35.95 | 21 23 35.95 (0.05) | ||
| Declination | -30 02 14.17 | -30 02 14.04 (0.03) | ||
| Spectral type | sdB+F | sdB+F | ||
| Effective temperature | [K] | |||
| log(g) | [cgs] | |||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 0.33 (0.1) | 0.32 (0.06) | |
| Distance | [pc] | 3042.29 (1075) | 3129.89 (611) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 11.16 (0.1) | 11.291 (0.05) | |
| Proper motion (declination) | [mas/yr] | -6.896 (0.1) | -7.041 (0.04) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 16.57 (0.03) | |||
| V magnitude | 15.95 (0.2) | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 15.25 (0.04) | 15.25 (0.04) | ||
| H magnitude | 15.17 (0.07) | 15.17 (0.07) | ||
| K magnitude | 14.91 (0.1) | 14.91 (0.1) | ||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 16.06 (0.001) | 16.05 (0.003) | ||
| BP magnitude | 16.20 (0.005) | |||
| RP magnitude | 15.74 (0.002) | |||
| Pan g magnitude | 16.22 (0.005) | |||
| Pan r magnitude | 16.10 (0.005) | |||
| Pan i magnitude | 16.08 (0.005) | |||
| Pan z magnitude | 16.09 (0.006) | |||
| Pan y magnitude | 16.11 (0.007) | |||
| E(B-V) | 0.070 | |||
* Constant surface field
Spectra without link are available upon request
The Montreal White Dwarf Database is produced and maintained by Prof. Patrick Dufour (Université de Montréal) and Dr. Simon Blouin (University of Victoria). Please send database updates, corrections, suggestions or bug reports to patrick.dufour@umontreal.ca.