Gaia DR2 2256345954965239680
All names: WDJ183932.88+640607.45, SDSS J183932.88+640607.5, WDJ183932.88+640607.46, Gaia DR3 2256345954965239680, Gaia DR2 2256345954965239680, Gaia EDR3 2256345954965239680
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 18 39 32.86 (0.2) | 18 39 32.86 | 18 39 32.86 | 18 39 32.88 (0.2) | 18 39 32.86 | |||||
| Declination | 64 06 07.60 (0.2) | 64 06 07.59 | 64 06 07.60 | 64 06 07.45 (0.2) | 64 06 07.59 | |||||
| Spectral type | DA | D | ||||||||
| Effective temperature | [K] | 5918.0 | 5662.0 | 5989.0 (144) | ||||||
| log(g) | [cgs] | 8.22 | 8.07 | 8.27 (0.05) | ||||||
| Mass | [M☉] | 0.725 | 0.613 | 0.762 (0.04) | ||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | 3.9770 | 4.0470 | |||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 12.89 (0.2) | 12.68 (0.2) | 12.89 | 12.89 (0.2) | 12.68 (0.2) | ||||
| Distance | [pc] | 77.58 (1) | 78.85 (1) | 77.58 | 77.58 (1) | 78.85 (1) | ||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -6.458196139 (0.2) | -6.166972894 (0.5) | -6.458 (0.2) | -6.166972894 | |||||
| Proper motion (declination) | [mas/yr] | 9.075872402 (0.2) | 8.81015908 (0.5) | 9.076 (0.2) | 8.81015908 | |||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | ||||||||||
| H magnitude | ||||||||||
| K magnitude | ||||||||||
| u magnitude | 20.26 (0.05) | 20.26 (0.05) | ||||||||
| g magnitude | 19.25 (0.01) | 19.25 (0.01) | ||||||||
| r magnitude | 18.88 (0.01) | 18.88 (0.01) | ||||||||
| i magnitude | 18.74 (0.01) | 18.74 (0.01) | ||||||||
| z magnitude | 18.71 (0.04) | 18.71 (0.04) | ||||||||
| G magnitude | 18.87 (0.03) | 18.90 | 18.87 | 18.87 (0.004) | 18.90 | |||||
| BP magnitude | 19.22 (0.03) | 19.29 | 19.29 | |||||||
| RP magnitude | 18.44 (0.03) | 18.40 | 18.40 | |||||||
| Pan g magnitude | 19.22 (0.008) | |||||||||
| Pan r magnitude | 18.86 (0.006) | |||||||||
| Pan i magnitude | 18.74 (0.004) | |||||||||
| Pan z magnitude | 18.73 (0.01) | |||||||||
| Pan y magnitude | 18.71 (0.02) | |||||||||
| E(B-V) | 0.011 | |||||||||
* Constant surface field
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