WD 0940+566
All names: SDSS J094400.64+562543.3, USNO-A2.0 1425-07380437, GALEX J094400.6+562543, SDSS J094400.68+562543.2, Gaia DR2 1022170983446648960, SDSS J094400.65+562543.3, WD 0940+566, Gaia DR3 1022170983446648960, LAMOST J094400.64+562543.2, SBSS 0940+566, SDSS J094400.65+562543.2, SBSG 0940+566, Gaia EDR3 1022170983446648960
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 09 44 00.69 (0.08) | 09 44 00.64 | 09 44 00.68 (0.1) | 09 44 00.69 | 09 44 00.65 (0.08) | 09 43 59.90 | ||||||
| Declination | 56 25 43.15 (0.08) | 56 25 43.32 | 56 25 43.16 (0.1) | 56 25 43.15 | 56 25 43.24 (0.07) | 56 25 37.56 | ||||||
| Spectral type | DC | DC | DB | DC | DC | DB | ||||||
| Effective temperature | [K] | 11048.0 | 11435.0 | 11483.0 (281) | ||||||||
| log(g) | [cgs] | 8.11 | 8.09 | 8.09 (0.04) | ||||||||
| Mass | [M☉] | 0.672 | 0.635 | 0.639 (0.03) | ||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 0.5451 | 0.4959 | |||||||||
| log(H/He) | ||||||||||||
| log(C/He) | ||||||||||||
| log(Ca/He) | ||||||||||||
| log(Ca/H) | ||||||||||||
| Parallax | [mas] | 5.74 (0.1) | 5.76 (0.2) | 5.74 | 5.74 (0.1) | |||||||
| Distance | [pc] | 174.19 (4) | 173.57 (5) | 174.19 | 174.19 (4) | |||||||
| Composition | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | 21.26711059 (0.1) | 21.27512677 (0.2) | 21.267 (0.1) | ||||||||
| Proper motion (declination) | [mas/yr] | -5.506606984 (0.1) | -5.712110357 (0.3) | -5.507 (0.1) | ||||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | 17.60 (0.3) | |||||||||||
| V magnitude | ||||||||||||
| R magnitude | 18.30 (0.3) | |||||||||||
| I magnitude | ||||||||||||
| J magnitude | ||||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | 18.21 (0.01) | 18.22 (0.01) | 18.24 | |||||||||
| g magnitude | 18.14 (0.006) | 18.14 (0.006) | 18.07 | |||||||||
| r magnitude | 18.34 (0.008) | 18.34 (0.008) | 18.30 | |||||||||
| i magnitude | 18.48 (0.01) | 18.48 (0.01) | 18.48 | |||||||||
| z magnitude | 18.78 (0.04) | 18.79 (0.04) | 18.77 | |||||||||
| G magnitude | 18.22 (0.01) | 18.25 | 18.22 | 18.22 (0.003) | ||||||||
| BP magnitude | 18.24 (0.01) | 18.19 | ||||||||||
| RP magnitude | 18.25 (0.02) | 18.22 | ||||||||||
| Pan g magnitude | 18.19 (0.004) | |||||||||||
| Pan r magnitude | 18.36 (0.007) | |||||||||||
| Pan i magnitude | 18.53 (0.01) | |||||||||||
| Pan z magnitude | 18.73 (0.008) | |||||||||||
| Pan y magnitude | 18.81 (0.03) | |||||||||||
| E(B-V) | 0.013 | |||||||||||
* Constant surface field
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