SDSS J085712.29+495344.9
All names: SDSS J085712.25+495344.3, [VV2003] J085712.3+495345, Gaia DR3 1015951802082348800, Gaia DR2 1015951802082348800, SDSS J085712.28+495344.9, SDSS J085712.29+495345.0, Gaia EDR3 1015951802082348800, WD 0853+500, GALEX J085712.3+495344, SDSS J085712.29+495344.9
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 57 12.24 (0.09) | 08 57 12.29 | 08 57 12.24 (0.1) | 08 57 12.24 | 08 57 12.29 (0.09) | 08 57 12.29 | 08 57 12.12 | 08 57 12.29 | ||||||
| Declination | 49 53 44.17 (0.07) | 49 53 44.92 | 49 53 44.20 (0.09) | 49 53 44.17 | 49 53 44.96 (0.07) | 49 53 44.93 | 49 53 43.80 | 49 53 44.97 | ||||||
| Spectral type | DC | DC | DC | DC | DCA: | DCA: | DC | DAH: | ||||||
| Effective temperature | [K] | 10238.0 | 10174.0 | 9931.0 (205) | 10808.0 (190) | 11138.0 (290) | ||||||||
| log(g) | [cgs] | 8.36 | 8.29 | 8.21 (0.03) | 8.83 (0.1) | 9.40 (0.3) | ||||||||
| Mass | [M☉] | 0.828 | 0.765 | 0.71 (0.03) | ||||||||||
| log(Luminosity) | [L☉] | |||||||||||||
| Cooling age | [Gyr] | 0.9743 | 0.9101 | |||||||||||
| log(H/He) | ||||||||||||||
| log(C/He) | ||||||||||||||
| log(Ca/He) | ||||||||||||||
| log(Ca/H) | ||||||||||||||
| Parallax | [mas] | 9.41 (0.1) | 9.49 (0.1) | 9.41 | 9.41 (0.1) | |||||||||
| Distance | [pc] | 106.26 (1) | 105.39 (2) | 106.26 | 106.26 (1) | |||||||||
| Composition | ||||||||||||||
| Proper motion (right ascension) | [mas/yr] | -32.61166478 (0.1) | -32.58755623 (0.2) | -32.612 (0.1) | -32.3 | |||||||||
| Proper motion (declination) | [mas/yr] | -49.28645408 (0.1) | -49.2471249 (0.2) | -49.286 (0.1) | -51.6 | |||||||||
| Variability | ||||||||||||||
| Magnetic | ||||||||||||||
| Bd | [MG] | |||||||||||||
| Infrared excess (disk) | ||||||||||||||
| Binarity | ||||||||||||||
| B magnitude | ||||||||||||||
| V magnitude | 17.97 | |||||||||||||
| R magnitude | ||||||||||||||
| I magnitude | ||||||||||||||
| J magnitude | ||||||||||||||
| H magnitude | ||||||||||||||
| K magnitude | ||||||||||||||
| u magnitude | 17.86 (0.01) | 17.86 (0.01) | 17.86 (0.03) | 17.85 | 17.87 (0.03) | |||||||||
| g magnitude | 17.75 (0.005) | 17.75 (0.005) | 17.77 (0.02) | 17.76 | 17.76 (0.02) | |||||||||
| r magnitude | 18.00 (0.007) | 18.00 (0.007) | 18.02 (0.02) | 18.01 | 18.01 (0.02) | |||||||||
| i magnitude | 18.00 (0.008) | 18.00 (0.008) | 18.02 (0.02) | 18.02 | 18.02 (0.02) | |||||||||
| z magnitude | 18.20 (0.03) | 18.20 (0.03) | 18.19 (0.03) | 18.19 | 18.20 (0.03) | |||||||||
| G magnitude | 17.77 (0.008) | 17.80 | 17.77 | 17.77 (0.003) | ||||||||||
| BP magnitude | 17.82 (0.008) | 17.79 | ||||||||||||
| RP magnitude | 17.70 (0.01) | 17.69 | ||||||||||||
| Pan g magnitude | 17.77 (0.005) | |||||||||||||
| Pan r magnitude | 17.85 (0.008) | |||||||||||||
| Pan i magnitude | 18.00 (0.004) | |||||||||||||
| Pan z magnitude | 18.16 (0.007) | |||||||||||||
| Pan y magnitude | 18.30 (0.01) | |||||||||||||
| E(B-V) | 0.004 | |||||||||||||
* Constant surface field
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