All names: Gaia EDR3 2486388560866377856, ** BRT 357B, WDJ021228.98-080411.00, 021228.98-080411.00, SDSS J021228.95-080412.8, Gaia DR3 2486388560866377856, Gaia DR2 2486388560866377856, WDS J02125-0804B, NLTT 7319, SDSS J021228.73-080413.6, ** LDS 3357B, CNS5 555, LP 649-67, LHS 1354
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | O'Brien et al. 2024 | O'Brien et al. 2022 | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 02 12 28.32 (0.01) | 02 12 28.34 | 02 12 28.32 | 02 12 28.98 (0.01) | 02 12 28.34 | ||||||
| Declination | -08 04 18.17 (0.01) | -08 04 17.95 | -08 04 18.17 | -08 04 11.00 (0.01) | -08 04 17.95 | ||||||
| Spectral type | DA | DA | DA | DA | DA | ||||||
| Effective temperature | [K] | 10625.0 (74) | 8467.0 (111) | 8470.0 (110) | 8856.0 (34) | ||||||
| log(g) | [cgs] | 8.48 (0.01) | 7.89 (0.03) | 7.89 (0.03) | 8.00 (0.006) | ||||||
| Mass | [M☉] | 0.91 (0.008) | 0.535 (0.02) | 0.596 (0.006) | |||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | ||||||||||
| log(H/He) | |||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| log(C/H) | |||||||||||
| log(N/H) | |||||||||||
| log(O/H) | |||||||||||
| log(Na/H) | |||||||||||
| log(Mg/H) | |||||||||||
| log(Al/H) | |||||||||||
| log(Si/H) | |||||||||||
| log(P/H) | |||||||||||
| log(S/H) | |||||||||||
| log(Sc/H) | |||||||||||
| log(Ti/H) | |||||||||||
| log(Cr/H) | |||||||||||
| log(Mn/H) | |||||||||||
| log(Fe/H) | |||||||||||
| log(Ni/H) | |||||||||||
| Parallax | [mas] | 59.76 (0.02) | 59.76 (0.02) | 59.76 (0.02) | 59.88 (0.05) | 59.76 | 59.76 (0.02) | 59.88 (0.05) | |||
| Distance | [pc] | 16.73 (0.006) | 16.73 (0.006) | 16.73 (0.006) | 16.70 (0.01) | 16.73 | 16.73 (0.006) | 16.70 (0.01) | |||
| Composition | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -609.2418829 (0.02) | -609.2902452 (0.1) | -609.242 (0.02) | -609.2902452 | ||||||
| Proper motion (declination) | [mas/yr] | -447.9970174 (0.02) | -447.996081 (0.08) | -447.997 (0.02) | -447.996081 | ||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | |||||||||||
| H magnitude | |||||||||||
| K magnitude | |||||||||||
| u magnitude | 15.68 (0.007) | 14.87 (0.005) | |||||||||
| g magnitude | 15.49 (0.01) | 14.53 (0.004) | |||||||||
| r magnitude | 11.50 (0.001) | 16.46 (0.01) | |||||||||
| i magnitude | 10.52 (0.001) | 14.94 (0.01) | |||||||||
| z magnitude | 10.79 (0.003) | 14.39 (0.005) | |||||||||
| G magnitude | 13.72 (0.002) | 13.74 | 13.72 | 13.72 (0.003) | 13.74 | ||||||
| BP magnitude | 13.80 (0.002) | 13.80 | 13.80 | ||||||||
| RP magnitude | 13.48 (0.006) | 13.45 | 13.45 | ||||||||
| Pan g magnitude | 13.79 (0.002) | ||||||||||
| Pan r magnitude | 13.97 (0.001) | ||||||||||
| Pan i magnitude | 13.97 (0.01) | ||||||||||
| Pan z magnitude | 13.72 (0.002) | ||||||||||
| Pan y magnitude | 13.93 (0.01) | ||||||||||
| E(B-V) | 0.000 | ||||||||||
* 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.