Gaia DR2 2855799415254881408
All names: SDSS J002022.38+264010.9, Gaia DR3 2855799415254881408, GALEX J002022.4+264011, J0020+2640, SDSS J002022.39+264010.9, WDJ002022.38+264010.75, Gaia EDR3 2855799415254881408, Gaia DR2 2855799415254881408, WDJ002022.38+264010.76
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | Kilic et al. 2020 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 00 20 22.38 (0.04) | 00 20 22.38 | 00 20 22.38 | 00 20 22.38 (0.04) | 00 20 22.38 | |||||||
| Declination | 26 40 10.96 (0.03) | 26 40 10.95 | 26 40 10.96 | 26 40 10.75 (0.03) | 26 40 10.95 | |||||||
| Spectral type | DA | DA | DA | DA | ||||||||
| Effective temperature | [K] | 14001.0 (164) | 14008.0 (166) | 13653.0 | 14810.0 | 14703.0 (149) | ||||||
| log(g) | [cgs] | 7.84 (0.01) | 7.83 (0.01) | 7.80 | 7.92 | 7.90 (0.01) | ||||||
| Mass | [M☉] | 0.524 (0.008) | 0.515 (0.009) | 0.5 | 0.544 | 0.555 (0.008) | ||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 0.1950 | 0.1816 | |||||||||
| log(H/He) | ||||||||||||
| log(C/He) | ||||||||||||
| log(Ca/He) | ||||||||||||
| log(Ca/H) | ||||||||||||
| log(C/H) | ||||||||||||
| log(N/H) | ||||||||||||
| log(O/H) | ||||||||||||
| log(Na/H) | ||||||||||||
| log(Mg/H) | ||||||||||||
| log(Al/H) | ||||||||||||
| log(Si/H) | ||||||||||||
| log(P/H) | ||||||||||||
| log(S/H) | ||||||||||||
| log(Sc/H) | ||||||||||||
| log(Ti/H) | ||||||||||||
| log(Cr/H) | ||||||||||||
| log(Mn/H) | ||||||||||||
| log(Fe/H) | ||||||||||||
| log(Ni/H) | ||||||||||||
| Parallax | [mas] | 10.51 (0.05) | 10.40 (0.07) | 10.51 | 10.51 (0.05) | 10.40 (0.07) | ||||||
| Distance | [pc] | 95.14 (0.4) | 96.14 (0.6) | 95.14 | 95.14 (0.4) | 96.14 (0.6) | ||||||
| Composition | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -2.321455544 (0.05) | -2.473787516 (0.1) | -2.321 (0.05) | -2.473787516 | |||||||
| Proper motion (declination) | [mas/yr] | 12.76724606 (0.04) | 12.5389772 (0.09) | 12.767 (0.04) | 12.5389772 | |||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | ||||||||||||
| V magnitude | ||||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | ||||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | 16.32 (0.007) | 16.32 (0.007) | ||||||||||
| g magnitude | 15.98 (0.003) | 15.98 (0.003) | ||||||||||
| r magnitude | 16.24 (0.004) | 16.24 (0.004) | ||||||||||
| i magnitude | 16.49 (0.005) | 16.49 (0.005) | ||||||||||
| z magnitude | 16.75 (0.01) | 16.75 (0.01) | ||||||||||
| G magnitude | 16.11 (0.004) | 16.13 | 16.11 | 16.11 (0.003) | 16.13 | |||||||
| BP magnitude | 16.08 (0.004) | 16.08 | 16.08 | |||||||||
| RP magnitude | 16.19 (0.004) | 16.21 | 16.21 | |||||||||
| Pan g magnitude | 16.00 (0.005) | |||||||||||
| Pan r magnitude | 16.24 (0.005) | |||||||||||
| Pan i magnitude | 16.50 (0.005) | |||||||||||
| Pan z magnitude | 16.74 (0.003) | |||||||||||
| Pan y magnitude | 16.89 (0.006) | |||||||||||
| E(B-V) | 0.006 | |||||||||||
* Constant surface field
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