Gaia DR2 339985316184848384
All names: Gaia DR2 339985316184848384, Gaia EDR3 339985316184848384, SDSS J022258.68+443050.1, WDJ022258.64+4430410.0, WDJ022258.64+443049.99, Gaia DR3 339985316184848384
| 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 | 02 22 58.86 (0.3) | 02 22 58.85 | 02 22 58.86 | 02 22 58.64 (0.3) | 02 22 58.85 | ||||||
| Declination | 44 30 50.47 (0.3) | 44 30 50.46 | 44 30 50.47 | 44 30 50.01 (0.3) | 44 30 50.46 | ||||||
| Spectral type | DC | DC: | DC | ||||||||
| Effective temperature | [K] | 5320.0 (40) | 5437.0 | 5154.0 | 5513.0 (169) | ||||||
| log(g) | [cgs] | 8.13 (0.04) | 8.30 | 8.13 | 8.26 (0.07) | ||||||
| Mass | [M☉] | 0.653 (0.03) | 0.778 | 0.654 | 0.75 (0.07) | ||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 6.3440 | 6.0810 | ||||||||
| log(H/He) | |||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | |||||||||||
| 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] | 13.11 (0.4) | 13.66 (0.5) | 13.11 | 13.11 (0.4) | 13.66 (0.5) | |||||
| Distance | [pc] | 76.30 (2) | 73.20 (3) | 76.30 | 76.30 (2) | 73.20 (3) | |||||
| Composition | He | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 147.4628917 (0.4) | 148.0016382 (0.7) | 147.463 (0.4) | 148.0016382 | ||||||
| Proper motion (declination) | [mas/yr] | 29.08568268 (0.4) | 29.87214958 (0.6) | 29.086 (0.4) | 29.87214958 | ||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | |||||||||||
| H magnitude | |||||||||||
| K magnitude | |||||||||||
| u magnitude | 20.65 (0.06) | 20.65 (0.06) | |||||||||
| g magnitude | 19.63 (0.01) | 19.63 (0.01) | |||||||||
| r magnitude | 19.17 (0.01) | 19.17 (0.01) | |||||||||
| i magnitude | 18.97 (0.01) | 18.97 (0.01) | |||||||||
| z magnitude | 18.88 (0.04) | 18.88 (0.04) | |||||||||
| G magnitude | 19.18 (0.04) | 19.22 | 19.18 | 19.18 (0.004) | 19.22 | ||||||
| BP magnitude | 19.59 (0.04) | 19.72 | 19.72 | ||||||||
| RP magnitude | 18.64 (0.04) | 18.64 | 18.64 | ||||||||
| Pan g magnitude | 19.67 (0.008) | ||||||||||
| Pan r magnitude | 19.19 (0.02) | ||||||||||
| Pan i magnitude | 19.01 (0.01) | ||||||||||
| Pan z magnitude | 18.94 (0.02) | ||||||||||
| Pan y magnitude | 19.00 (0.07) | ||||||||||
| E(B-V) | 0.002 | ||||||||||
* Constant surface field
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