Gaia DR2 1908476521936298496
All names: SDSS J222222.89+374418.6, SDSS J222222.90+374418.6, WDJ222222.92+374418.75, SDSS J222222.89+374418.5, Gaia EDR3 1908476521936298496, Gaia DR3 1908476521936298496, Gaia DR2 1908476521936298496
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 22 22 22.85 (0.04) | 22 22 22.85 | 22 22 22.85 | 22 22 22.92 (0.04) | 22 22 22.85 | ||||||
| Declination | 37 44 18.24 (0.06) | 37 44 18.26 | 37 44 18.24 | 37 44 18.75 (0.06) | 37 44 18.26 | ||||||
| Spectral type | DZ | DC: | D | ||||||||
| Effective temperature | [K] | 8922.0 (92) | 9782.0 | 9596.0 | 8552.0 (93) | ||||||
| log(g) | [cgs] | 8.29 (0.01) | 8.46 | 8.39 | 8.10 (0.02) | ||||||
| Mass | [M☉] | 0.763 (0.01) | 0.895 | 0.831 | 0.638 (0.02) | ||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 1.4100 | 1.2770 | ||||||||
| log(H/He) | |||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | -9.0 | ||||||||||
| log(Ca/H) | |||||||||||
| log(N/He) | |||||||||||
| log(O/He) | |||||||||||
| log(Na/He) | |||||||||||
| log(Mg/He) | |||||||||||
| log(Al/He) | |||||||||||
| log(Si/He) | |||||||||||
| log(P/He) | |||||||||||
| log(S/He) | |||||||||||
| log(Cl/He) | |||||||||||
| log(Sc/He) | |||||||||||
| log(Ti/He) | |||||||||||
| log(V/He) | |||||||||||
| log(Cr/He) | |||||||||||
| log(Mn/He) | |||||||||||
| log(Fe/He) | |||||||||||
| log(Co/He) | |||||||||||
| log(Ni/He) | |||||||||||
| log(Cu/He) | |||||||||||
| log(Zn/He) | |||||||||||
| log(Ga/He) | |||||||||||
| log(Ge/He) | |||||||||||
| log(Sr/He) | |||||||||||
| Parallax | [mas] | 12.26 (0.09) | 12.46 (0.1) | 12.26 | 12.26 (0.09) | 12.46 (0.1) | |||||
| Distance | [pc] | 81.55 (0.6) | 80.28 (0.7) | 81.55 | 81.55 (0.6) | 80.28 (0.7) | |||||
| Composition | He | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -55.15837394 (0.09) | -55.40576252 (0.1) | -55.158 (0.09) | -55.40576252 | ||||||
| Proper motion (declination) | [mas/yr] | -32.00227051 (0.1) | -31.81803799 (0.2) | -32.002 (0.1) | -31.81803799 | ||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | |||||||||||
| H magnitude | |||||||||||
| K magnitude | |||||||||||
| u magnitude | 17.83 (0.01) | 17.83 (0.01) | |||||||||
| g magnitude | 17.50 (0.005) | 17.50 (0.005) | |||||||||
| r magnitude | 17.57 (0.005) | 17.57 (0.005) | |||||||||
| i magnitude | 17.71 (0.007) | 17.71 (0.007) | |||||||||
| z magnitude | 17.85 (0.02) | 17.85 (0.02) | |||||||||
| G magnitude | 17.49 (0.005) | 17.52 | 17.49 | 17.49 (0.003) | 17.52 | ||||||
| BP magnitude | 17.57 (0.005) | 17.56 | 17.56 | ||||||||
| RP magnitude | 17.37 (0.006) | 17.38 | 17.38 | ||||||||
| Pan g magnitude | 17.52 (0.003) | ||||||||||
| Pan r magnitude | 17.58 (0.003) | ||||||||||
| Pan i magnitude | 17.72 (0.003) | ||||||||||
| Pan z magnitude | 17.84 (0.005) | ||||||||||
| Pan y magnitude | 17.97 (0.04) | ||||||||||
| E(B-V) | 0.019 | ||||||||||
* Constant surface field
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