WD 0822+472
All names: Gaia EDR3 930255247338001536, GALEX J082623.8+470213, SDSS J082623.80+470213.4, WD 0822+472, Gaia DR3 930255247338001536, Gaia DR2 930255247338001536, SDSS J082623.80+470213.5, SDSS J082623.80+470213.3
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Kleinman et al. 2004 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 26 23.79 (0.4) | 08 26 23.80 | 08 26 23.79 (0.5) | 08 26 23.80 (0.4) | 08 26 23.80 | 08 26 22.82 | 08 26 23.80 | 08 26 23.80 | |||||
| Declination | 47 02 13.31 (0.3) | 47 02 13.48 | 47 02 13.32 (0.3) | 47 02 13.45 (0.3) | 47 02 13.38 | 47 02 08.88 | 47 02 13.45 | 47 02 13.45 | |||||
| Spectral type | DA | DA | DA | DA5.1 | DA | DA | |||||||
| Effective temperature | [K] | 8299.0 | 9937.0 (157) | 9813.0 (180) | 9959.0 (155) | ||||||||
| log(g) | [cgs] | 8.11 | 8.77 (0.2) | 8.83 (0.2) | 8.86 (0.1) | ||||||||
| Mass | [M☉] | 0.664 | 1.084 (0.06) | ||||||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 1.1540 | |||||||||||
| 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] | 4.38 (0.5) | 4.02 (0.7) | 4.38 (0.5) | |||||||||
| Distance | [pc] | 228.19 (25) | 248.86 (46) | 228.19 (25) | |||||||||
| Composition | H | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | -6.768703126 (0.5) | -7.733743964 (1) | -6.769 (0.5) | 3.9 | 3.0 | |||||||
| Proper motion (declination) | [mas/yr] | -8.847192015 (0.4) | -9.641877303 (0.7) | -8.847 (0.4) | -13.7 | -10.0 | |||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | |||||||||||||
| V magnitude | |||||||||||||
| R magnitude | |||||||||||||
| I magnitude | |||||||||||||
| J magnitude | |||||||||||||
| H magnitude | |||||||||||||
| K magnitude | |||||||||||||
| u magnitude | 20.47 (0.05) | 20.47 (0.05) | 20.43 (0.06) | 20.38 | 20.43 (0.06) | 20.38 (0.06) | |||||||
| g magnitude | 20.07 (0.02) | 20.07 (0.02) | 20.07 (0.02) | 20.06 | 20.08 (0.02) | 20.06 (0.02) | |||||||
| r magnitude | 20.06 (0.02) | 20.06 (0.02) | 20.02 (0.03) | 20.01 | 20.03 (0.03) | 20.01 (0.03) | |||||||
| i magnitude | 20.06 (0.03) | 20.06 (0.03) | 20.10 (0.03) | 20.11 | 20.12 (0.03) | 20.11 (0.03) | |||||||
| z magnitude | 20.06 (0.1) | 20.06 (0.1) | 20.19 (0.1) | 20.20 | 20.20 (0.1) | 20.20 (0.1) | |||||||
| G magnitude | 20.00 (0.07) | 20.06 | 20.00 (0.005) | ||||||||||
| BP magnitude | 20.14 (0.07) | 20.15 | |||||||||||
| RP magnitude | 19.84 (0.07) | 19.83 | |||||||||||
| Pan g magnitude | 20.03 (0.02) | ||||||||||||
| Pan r magnitude | 20.01 (0.01) | ||||||||||||
| Pan i magnitude | 20.13 (0.02) | ||||||||||||
| Pan z magnitude | 20.15 (0.02) | ||||||||||||
| Pan y magnitude | 20.12 (0.04) | ||||||||||||
| E(B-V) | 0.013 | ||||||||||||
* Constant surface field
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