Gaia DR2 4446506356529203968
All names: WDJ163456.64+093449.11, Gaia DR2 4446506356529203968, GALEX J163456.6+093449, SDSS J163456.63+093449.5, Gaia EDR3 4446506356529203968, WDJ163456.64+093449.10, J1634+0934, SDSS J163456.64+093449.6, Gaia DR3 4446506356529203968
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | Caron et al. 2023 | Kilic et al. 2020 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 16 34 56.62 (0.08) | 16 34 56.62 | 16 34 56.62 | 16 34 56.64 (0.08) | 16 34 56.62 | ||||||||
| Declination | 09 34 50.41 (0.06) | 09 34 50.37 | 09 34 50.41 | 09 34 49.11 (0.06) | 09 34 50.37 | ||||||||
| Spectral type | DA | DA | DA | DA | DA | ||||||||
| Effective temperature | [K] | 6732.0 (42) | 6668.0 (36) | 6731.0 (41) | 6724.0 | 6478.0 | 6672.0 (68) | ||||||
| log(g) | [cgs] | 7.81 (0.02) | 7.77 (0.02) | 7.78 (0.02) | 7.78 | 7.65 | 7.77 (0.02) | ||||||
| Mass | [M☉] | 0.484 (0.01) | 0.462 (0.01) | 0.471 (0.01) | 0.469 | 0.387 | 0.464 (0.02) | ||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 1.3000 | 1.2480 | 1.2240 | |||||||||
| 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] | 12.27 (0.1) | 12.09 (0.1) | 12.09 (0.1) | 12.27 | 12.27 (0.1) | 12.09 (0.1) | ||||||
| Distance | [pc] | 81.52 (0.8) | 82.71 (1) | 82.70 (1) | 81.52 | 81.52 (0.8) | 82.70 (1) | ||||||
| Composition | H | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -17.53611051 (0.1) | -17.45680444 (0.2) | -17.536 (0.1) | -17.45680444 | ||||||||
| Proper motion (declination) | [mas/yr] | 81.32986628 (0.08) | 81.32817388 (0.1) | 81.33 (0.08) | 81.32817388 | ||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | |||||||||||||
| V magnitude | |||||||||||||
| R magnitude | |||||||||||||
| I magnitude | |||||||||||||
| J magnitude | 17.15 (0.02) | ||||||||||||
| H magnitude | |||||||||||||
| K magnitude | |||||||||||||
| u magnitude | 18.77 (0.02) | 18.74 (0.02) | 18.74 (0.02) | ||||||||||
| g magnitude | 18.13 (0.007) | 18.13 (0.007) | |||||||||||
| r magnitude | 17.91 (0.007) | 17.91 (0.007) | |||||||||||
| i magnitude | 17.83 (0.008) | 17.83 (0.008) | |||||||||||
| z magnitude | 17.81 (0.02) | 17.81 (0.02) | |||||||||||
| G magnitude | 17.87 (0.01) | 17.89 | 17.87 | 17.87 (0.003) | 17.89 | ||||||||
| BP magnitude | 18.11 (0.01) | 18.10 | 18.10 | ||||||||||
| RP magnitude | 17.51 (0.009) | 17.50 | 17.50 | ||||||||||
| Pan g magnitude | 18.09 (0.008) | 18.09 (0.009) | |||||||||||
| Pan r magnitude | 17.90 (0.002) | 17.90 (0.002) | |||||||||||
| Pan i magnitude | 17.84 (0.003) | 17.84 (0.003) | |||||||||||
| Pan z magnitude | 17.86 (0.006) | 17.86 (0.008) | |||||||||||
| Pan y magnitude | 17.91 (0.009) | 17.91 (0.008) | |||||||||||
| E(B-V) | 0.005 | ||||||||||||
* Constant surface field
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