USNO-A2.0 0975-21067824
All names: Gaia EDR3 2719582745051086976, USNO-A2.0 0975-21067824, SDSS J224650.83+124851.8, WD 2244+125, SDSS J224650.83+124852.0, Gaia DR2 2719582745051086976, SDSS J224650.83+124851.7, Gaia DR3 2719582745051086976
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 22 46 50.84 (0.3) | 22 46 50.84 | 22 46 50.84 (0.5) | 22 46 50.83 (0.3) | 22 46 50.83 | 22 46 50.98 | 22 46 50.83 | ||||||
| Declination | 12 48 52.03 (0.2) | 12 48 51.73 | 12 48 52.02 (0.3) | 12 48 51.72 (0.2) | 12 48 51.77 | 12 48 50.04 | 12 48 51.80 | ||||||
| Spectral type | DC | DC | DC | DC | DC | DC | DB | ||||||
| Effective temperature | [K] | 10546.0 | 10743.0 | 11602.0 (366) | 11449.0 (447) | ||||||||
| log(g) | [cgs] | 8.10 | 8.05 | 7.81 (0.4) | 8.29 (0.5) | ||||||||
| Mass | [M☉] | 0.662 | 0.612 | ||||||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 0.6031 | 0.5551 | ||||||||||
| log(H/He) | |||||||||||||
| log(C/He) | |||||||||||||
| log(Ca/He) | |||||||||||||
| log(Ca/H) | |||||||||||||
| Parallax | [mas] | 3.71 (0.3) | 4.03 (0.7) | 3.71 (0.3) | |||||||||
| Distance | [pc] | 269.66 (23) | 248.33 (41) | 269.66 (23) | |||||||||
| Composition | |||||||||||||
| Proper motion (right ascension) | [mas/yr] | 4.056936677 (0.3) | 4.644462626 (0.7) | 4.057 (0.3) | 4.6 | ||||||||
| Proper motion (declination) | [mas/yr] | 19.30001887 (0.3) | 19.10536371 (0.6) | 19.3 (0.3) | 23.7 | ||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | 18.30 (0.3) | ||||||||||||
| V magnitude | |||||||||||||
| R magnitude | 18.80 (0.3) | ||||||||||||
| I magnitude | |||||||||||||
| J magnitude | |||||||||||||
| H magnitude | |||||||||||||
| K magnitude | |||||||||||||
| u magnitude | 19.14 (0.02) | 19.14 (0.02) | 19.19 (0.03) | 19.18 | 19.20 (0.03) | ||||||||
| g magnitude | 19.11 (0.01) | 19.11 (0.01) | 19.11 (0.02) | 19.10 | 19.10 (0.02) | ||||||||
| r magnitude | 19.22 (0.01) | 19.22 (0.01) | 19.22 (0.02) | 19.22 | 19.21 (0.02) | ||||||||
| i magnitude | 19.38 (0.02) | 19.38 (0.02) | 19.39 (0.03) | 19.39 | 19.36 (0.03) | ||||||||
| z magnitude | 19.63 (0.07) | 19.63 (0.07) | 19.63 (0.09) | 19.63 | 19.61 (0.09) | ||||||||
| G magnitude | 19.11 (0.03) | 19.16 | 19.11 (0.004) | ||||||||||
| BP magnitude | 19.23 (0.03) | 19.17 | |||||||||||
| RP magnitude | 19.11 (0.05) | 18.99 | |||||||||||
| Pan g magnitude | 19.10 (0.007) | ||||||||||||
| Pan r magnitude | 19.22 (0.01) | ||||||||||||
| Pan i magnitude | 19.41 (0.006) | ||||||||||||
| Pan z magnitude | 19.54 (0.03) | ||||||||||||
| Pan y magnitude | 19.60 (0.1) | ||||||||||||
| E(B-V) | 0.044 | ||||||||||||
* Constant surface field
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