All names: EC 21214-5120, GALEX J212453.5-510718, Gaia DR3 6466245200259389440, TIC 2026923190, TIC 469870129, Gaia DR2 6466245200259389440, UCAC4 195-195622, 2MASS J21245353-5107196
| Parameter | Unit | Vincent et al. 2024 | Simbad |
|---|---|---|---|
| Right ascension | 21 24 53.48 | 21 24 53.54 (0.04) | |
| Declination | -51 07 19.47 | -51 07 18.50 (0.03) | |
| Spectral type | DB | sdBHe | |
| Effective temperature | [K] | 16763.0 (382) | |
| log(g) | [cgs] | 7.84 (0.03) | |
| Mass | [M☉] | 0.504 (0.02) | |
| log(Luminosity) | [L☉] | ||
| Cooling age | [Gyr] | ||
| log(H/He) | |||
| log(C/He) | |||
| log(Ca/He) | |||
| log(Ca/H) | |||
| Parallax | [mas] | 7.74 | 7.74 (0.06) |
| Distance | [pc] | 129.13 | 129.13 (0.9) |
| Composition | |||
| Proper motion (right ascension) | [mas/yr] | -38.303 (0.05) | |
| Proper motion (declination) | [mas/yr] | -60.408 (0.05) | |
| Variability | |||
| Magnetic | |||
| Bd | [MG] | ||
| Infrared excess (disk) | |||
| Binarity | |||
| B magnitude | 16.24 (0.02) | ||
| V magnitude | 16.27 (0.09) | ||
| R magnitude | |||
| I magnitude | |||
| J magnitude | 16.17 (0.1) | ||
| H magnitude | |||
| K magnitude | |||
| u magnitude | |||
| g magnitude | 16.20 (0.07) | ||
| r magnitude | 16.28 (0.07) | ||
| i magnitude | |||
| z magnitude | |||
| G magnitude | 16.39 | 16.39 (0.003) | |
| BP magnitude | |||
| RP magnitude | |||
| Pan g magnitude | |||
| Pan r magnitude | |||
| Pan i magnitude | |||
| Pan z magnitude | |||
| Pan y magnitude | |||
| E(B-V) | |||
* 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.