WD 0822+470
All names: GALEX J082541.5+465203, SDSS J082541.49+465203.1, WD 0822+470, SDSS J082541.47+465203.0, Gaia DR2 930247104079924480, Gaia EDR3 930247104079924480, Gaia DR3 930247104079924480, SDSS J082541.48+465203.0, SDSS J082541.48+465203.1
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 25 41.48 (0.4) | 08 25 41.49 | 08 25 41.48 (0.5) | 08 25 41.49 (0.4) | 08 25 41.49 | 08 25 40.61 | 08 25 41.48 | 08 25 41.48 | ||||
| Declination | 46 52 03.02 (0.3) | 46 52 03.10 | 46 52 03.02 (0.3) | 46 52 03.08 (0.3) | 46 52 03.05 | 46 51 59.40 | 46 52 03.09 | 46 52 03.07 | ||||
| Spectral type | DA | DA | DA | DA2.5 | DA | |||||||
| Effective temperature | [K] | 16188.0 | 20184.0 (728) | 21061.0 (739) | 20184.0 (719) | |||||||
| log(g) | [cgs] | 7.22 | 7.86 (0.1) | 7.84 (0.1) | 7.89 (0.1) | |||||||
| Mass | [M☉] | 0.297 | 0.548 (0.06) | |||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 0.0691 | ||||||||||
| 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] | 1.21 (0.5) | 1.12 (0.6) | 1.21 (0.5) | ||||||||
| Distance | [pc] | 825.25 (373) | 893.19 (516) | 825.22 (373) | ||||||||
| Composition | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -2.459836427 (0.5) | -1.185694256 (1) | -2.46 (0.5) | -7.1 | -9.0 | ||||||
| Proper motion (declination) | [mas/yr] | -3.8238025 (0.5) | -4.16023023 (0.8) | -3.824 (0.5) | -2.7 | 0.0 | ||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | ||||||||||||
| V magnitude | ||||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | ||||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | 19.79 (0.03) | 19.79 (0.03) | 19.70 (0.03) | 19.70 | 19.71 (0.03) | 19.70 (0.03) | ||||||
| g magnitude | 19.74 (0.01) | 19.73 (0.01) | 19.71 (0.02) | 19.71 | 19.72 (0.02) | 19.71 (0.02) | ||||||
| r magnitude | 20.06 (0.02) | 20.05 (0.02) | 20.10 (0.03) | 20.09 | 20.10 (0.03) | 20.09 (0.03) | ||||||
| i magnitude | 20.36 (0.04) | 20.36 (0.04) | 20.32 (0.04) | 20.32 | 20.33 (0.04) | 20.32 (0.04) | ||||||
| z magnitude | 20.48 (0.2) | 20.48 (0.2) | 20.63 (0.2) | 20.66 | 20.63 (0.2) | 20.66 (0.2) | ||||||
| G magnitude | 19.88 (0.05) | 19.93 | 19.88 (0.005) | |||||||||
| BP magnitude | 19.93 (0.05) | 19.76 | ||||||||||
| RP magnitude | 19.80 (0.07) | 19.85 | ||||||||||
| Pan g magnitude | 19.73 (0.01) | |||||||||||
| Pan r magnitude | 20.04 (0.01) | |||||||||||
| Pan i magnitude | 20.32 (0.02) | |||||||||||
| Pan z magnitude | 20.69 (0.1) | |||||||||||
| Pan y magnitude | ||||||||||||
| E(B-V) | 0.029 | |||||||||||
* Constant surface field
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