All names: Gaia EDR3 331954247033853568, Gaia DR3 331954247033853568, FBS0212+385, LAMOST J021558.37+384619.8, LAMOST J021558.38+384619.6, FBS 0212+385, 2MASS J02155837+3846201, Gaia DR2 331954247033853568, GALEX J021558.4+384618, TIC 186964879, LAMOST J021558.37+384620.1, UCAC4 644-008594, WD 0212+385, FBS B 25
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|
| Right ascension | 02 15 58.38 (0.04) | 02 15 58.37 | 02 15 58.38 (0.06) | 02 15 58.38 (0.04) | 02 15 58.34 | ||
| Declination | 38 46 19.57 (0.03) | 38 46 20.13 | 38 46 19.58 (0.04) | 38 46 19.95 (0.03) | 38 46 18.48 | ||
| Spectral type | He-sdO | sdB/sdO | DC: | ||||
| Effective temperature | [K] | 49213.0 (557) | |||||
| log(g) | [cgs] | 6.35 (0.06) | |||||
| Mass | [M☉] | ||||||
| log(Luminosity) | [L☉] | ||||||
| Cooling age | [Gyr] | ||||||
| log(H/He) | |||||||
| log(C/He) | |||||||
| log(Ca/He) | |||||||
| log(Ca/H) | |||||||
| Parallax | [mas] | 3.22 (0.04) | 3.12 (0.06) | 3.12 (0.06) | 3.22 (0.04) | ||
| Distance | [pc] | 310.32 (4) | 320.63 (6) | 320.62 (6) | 310.32 (4) | ||
| Composition | |||||||
| Proper motion (right ascension) | [mas/yr] | 0.744414902 (0.05) | 0.883 (0.1) | 0.883046989 (0.1) | 0.744 (0.05) | ||
| Proper motion (declination) | [mas/yr] | -23.85562138 (0.05) | -23.795 (0.09) | -23.7950069 (0.09) | -23.856 (0.05) | ||
| Variability | |||||||
| Magnetic | |||||||
| Bd | [MG] | ||||||
| Infrared excess (disk) | |||||||
| Binarity | |||||||
| B magnitude | 13.78 (0.03) | ||||||
| V magnitude | 13.98 (0.04) | ||||||
| R magnitude | 14.42 (0.1) | ||||||
| I magnitude | |||||||
| J magnitude | 14.85 (0.04) | 14.85 (0.04) | |||||
| H magnitude | 15.01 (0.08) | 15.01 (0.08) | |||||
| K magnitude | 14.99 (0.1) | 14.99 (0.1) | |||||
| u magnitude | |||||||
| g magnitude | 13.78 (0.02) | ||||||
| r magnitude | 14.12 (0.02) | ||||||
| i magnitude | 14.27 (0.02) | ||||||
| z magnitude | |||||||
| G magnitude | 14.07 (0.002) | 14.08 (0.0008) | 14.08 | 14.07 (0.003) | |||
| BP magnitude | 13.89 (0.002) | 13.79 (0.01) | 13.79 | ||||
| RP magnitude | 14.41 (0.001) | 14.40 (0.004) | 14.40 | ||||
| Pan g magnitude | 13.91 (0.003) | ||||||
| Pan r magnitude | 14.37 (0.002) | ||||||
| Pan i magnitude | 14.76 (0.003) | ||||||
| Pan z magnitude | 15.05 (0.002) | ||||||
| Pan y magnitude | 15.26 (0.005) | ||||||
| E(B-V) | 0.043 | ||||||
* 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.