All names: GALEX J020848.2+121332, Gaia DR2 73623921366683008, Gaia EDR3 73623921366683008, SDSS J020848.27+121332.5, SDSS J020848.28+121332.4, SDSS J020848.27+121332.6, WD 0206+119, Gaia DR3 73623921366683008
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Bedard et al. 2020 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Kleinman et al. 2004 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 02 08 48.27 (0.3) | 02 08 48.28 | 02 08 48.27 (0.4) | 02 08 48.28 (0.3) | 02 08 47.33 | 02 08 48.28 | 02 08 48.28 | |||||
| Declination | 12 13 32.28 (0.2) | 12 13 32.61 | 12 13 32.29 (0.2) | 12 13 32.55 (0.2) | 12 13 29.28 | 12 13 32.44 | 12 13 32.45 | |||||
| Spectral type | DA | DA | DA1.6 | DA | DA | |||||||
| Effective temperature | [K] | 30416.0 (517) | 30490.0 (424) | 31150.0 (481) | ||||||||
| log(g) | [cgs] | 7.41 (0.1) | 7.61 (0.1) | 7.78 (0.09) | ||||||||
| Mass | [M☉] | 0.4 (0.04) | 0.49 (0.04) | |||||||||
| log(Luminosity) | [L☉] | -0.48 (0.09) | ||||||||||
| Cooling age | [Gyr] | 0.0034 (0.002) | ||||||||||
| 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] | 1.52 (0.3) | 0.17 (0.4) | 1.52 (0.3) | ||||||||
| Distance | [pc] | 657.18 (130) | 5881.44 (15273) | 657.16 (130) | ||||||||
| Composition | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -10.28517633 (0.3) | -10.51462885 (0.5) | -10.285 (0.3) | -11.0 | |||||||
| Proper motion (declination) | [mas/yr] | -16.47707417 (0.2) | -16.38462421 (0.4) | -16.477 (0.2) | -12.0 | |||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | ||||||||||||
| V magnitude | ||||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | ||||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | 18.69 (0.02) | 18.69 (0.02) | 18.69 | 18.73 (0.02) | 18.69 (0.02) | |||||||
| g magnitude | 18.72 (0.008) | 18.73 (0.008) | 18.74 | 18.75 (0.02) | 18.74 (0.02) | |||||||
| r magnitude | 18.95 (0.01) | 18.95 (0.01) | 18.98 | 18.98 (0.02) | 18.98 (0.02) | |||||||
| i magnitude | 19.15 (0.02) | 19.15 (0.02) | 19.15 | 19.17 (0.02) | 19.15 (0.02) | |||||||
| z magnitude | 19.34 (0.06) | 19.34 (0.06) | 19.36 | 19.34 (0.06) | 19.36 (0.06) | |||||||
| G magnitude | 18.82 (0.04) | 18.86 | 18.82 (0.004) | |||||||||
| BP magnitude | 18.86 (0.04) | 18.80 | ||||||||||
| RP magnitude | 18.93 (0.04) | 18.82 | ||||||||||
| Pan g magnitude | 18.75 (0.007) | |||||||||||
| Pan r magnitude | 18.95 (0.007) | |||||||||||
| Pan i magnitude | 19.16 (0.006) | |||||||||||
| Pan z magnitude | 19.37 (0.01) | |||||||||||
| Pan y magnitude | 19.46 (0.04) | |||||||||||
| E(B-V) | 0.125 | |||||||||||
* 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.