All names: SDSS J021358.81+060644.9, Gaia EDR3 2520109684842004736, GALEX J021358.7+060645, SDSS J021358.82+060644.99, SDSS J021358.82+060644.9, Gaia DR2 2520109684842004736, Gaia DR3 2520109684842004736
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | Bedard et al. 2020 | Genest-Beaulieu & Bergeron 2019 (spectroscopic) | Gaia DR2 | Stilism | Kepler et al. 2015 | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 02 13 58.82 (0.5) | 02 13 58.82 | 02 13 58.82 (1) | 02 13 58.82 (0.5) | |||||||
| Declination | 06 06 44.94 (0.7) | 06 06 44.96 | 06 06 44.94 (6) | 06 06 44.86 (0.7) | |||||||
| Spectral type | DO | DB: | DB | DO: | |||||||
| Effective temperature | [K] | 49602.0 (1498) | 49316.0 | 40590.0 (1893) | |||||||
| log(g) | [cgs] | 7.76 (0.4) | 7.76 | 8.16 (0.09) | |||||||
| Mass | [M☉] | 0.54 (0.2) | 0.54 | 0.7170000000000001 (0.05) | |||||||
| log(Luminosity) | [L☉] | 0.15 (0.3) | |||||||||
| Cooling age | [Gyr] | 0.0021 (0.001) | |||||||||
| log(H/He) | <-2 | ||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| log(N/He) | |||||||||||
| log(O/He) | |||||||||||
| log(Na/He) | |||||||||||
| log(Mg/He) | |||||||||||
| log(Al/He) | |||||||||||
| log(Si/He) | |||||||||||
| log(P/He) | |||||||||||
| log(S/He) | |||||||||||
| log(Cl/He) | |||||||||||
| log(Sc/He) | |||||||||||
| log(Ti/He) | |||||||||||
| log(V/He) | |||||||||||
| log(Cr/He) | |||||||||||
| log(Mn/He) | |||||||||||
| log(Fe/He) | |||||||||||
| log(Co/He) | |||||||||||
| log(Ni/He) | |||||||||||
| log(Cu/He) | |||||||||||
| log(Zn/He) | |||||||||||
| log(Ga/He) | |||||||||||
| log(Ge/He) | |||||||||||
| log(Sr/He) | |||||||||||
| Parallax | [mas] | 1.48 (0.7) | 1.48 (0.7) | ||||||||
| Distance | [pc] | 677.82 (317) | 677.83 (317) | ||||||||
| Composition | He | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 5.378660311 (0.7) | 5.379 (0.7) | ||||||||
| Proper motion (declination) | [mas/yr] | 4.838178861 (0.9) | 4.838 (0.9) | ||||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | |||||||||||
| H magnitude | |||||||||||
| K magnitude | |||||||||||
| u magnitude | 19.36 (0.03) | 19.36 (0.03) | 19.36 (0.03) | ||||||||
| g magnitude | 19.76 (0.01) | 19.76 (0.01) | 19.76 (0.01) | ||||||||
| r magnitude | 20.19 (0.03) | 20.19 (0.03) | 20.19 (0.03) | ||||||||
| i magnitude | 20.60 (0.04) | 20.60 (0.04) | 20.60 (0.04) | ||||||||
| z magnitude | 20.82 (0.2) | 20.82 (0.2) | 20.82 (0.2) | ||||||||
| G magnitude | 20.01 (0.06) | 20.08 | 20.01 (0.007) | ||||||||
| BP magnitude | 19.87 (0.06) | 19.82 | |||||||||
| RP magnitude | 19.91 (0.08) | 20.31 | |||||||||
| Pan g magnitude | 19.84 (0.01) | ||||||||||
| Pan r magnitude | 20.28 (0.01) | ||||||||||
| Pan i magnitude | 20.65 (0.02) | ||||||||||
| Pan z magnitude | 20.80 (0.05) | ||||||||||
| Pan y magnitude | 20.79 (0.2) | ||||||||||
| E(B-V) | 0.047 | ||||||||||
* 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.