Gaia DR2 2118649750133781376
All names: J1831+4658, Gaia DR2 2118649750133781376, 2MASS J18315870+4658288, UCAC4 685-062476, WDJ183158.72+465828.97, CNS5 4582, Gaia EDR3 2118649750133781376, UPC 72924, TIC 122885127, Gaia DR3 2118649750133781376, WDJ183158.72+465828.98, GALEX J183158.7+465829
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | O'Brien et al. 2024 | Caron et al. 2023 | McCleery et al. 2020 | Tremblay et al. 2020 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 18 31 58.83 (0.02) | 18 31 58.83 (0.03) | 18 31 58.83 | 18 31 58.83 | 18 31 58.72 (0.02) | 18 31 58.83 | ||||||||
| Declination | 46 58 29.57 (0.02) | 46 58 29.55 (0.03) | 46 58 29.55 | 46 58 29.57 | 46 58 28.98 (0.02) | 46 58 29.55 | ||||||||
| Spectral type | DA | DA | DA | DA | DA | DA | ||||||||
| Effective temperature | [K] | 7396.0 (55) | 7451.0 (30) | 7378.4 (28) | 7380.0 (30) | 7399.0 | 7127.0 | 7388.0 (25) | ||||||
| log(g) | [cgs] | 8.02 (0.02) | 8.04 (0.006) | 8.02 (0.01) | 8.02 (0.01) | 8.03 | 7.92 | 8.02 (0.006) | ||||||
| Mass | [M☉] | 0.602 (0.01) | 0.619 (0.006) | 0.608 | 0.525 | 0.603 (0.005) | ||||||||
| log(Luminosity) | [L☉] | |||||||||||||
| Cooling age | [Gyr] | 1.4200 | 1.3650 | 1.3310 | ||||||||||
| 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] | 42.87 (0.02) | 42.87 (0.02) | 42.92 (0.03) | 42.92 (0.03) | 42.92 (0.03) | 42.87 | 42.87 (0.02) | 42.92 (0.03) | |||||
| Distance | [pc] | 23.32 (0.01) | 23.33 (0.01) | 23.30 (0.02) | 23.30 (0.02) | 23.30 (0.02) | 23.32 | 23.32 (0.01) | 23.30 (0.02) | |||||
| Composition | H | H | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | 68.81806143 (0.03) | 68.68807534 (0.07) | 68.818 (0.03) | 68.68807534 | |||||||||
| Proper motion (declination) | [mas/yr] | 36.9422256 (0.03) | 36.87480985 (0.07) | 36.942 (0.03) | 36.87480985 | |||||||||
| Variability | ||||||||||||||
| Magnetic | ||||||||||||||
| Bd | [MG] | |||||||||||||
| Infrared excess (disk) | ||||||||||||||
| Binarity | ||||||||||||||
| B magnitude | ||||||||||||||
| V magnitude | ||||||||||||||
| R magnitude | 15.11 (0.04) | |||||||||||||
| I magnitude | ||||||||||||||
| J magnitude | 14.52 (0.03) | 14.52 (0.03) | ||||||||||||
| H magnitude | 14.38 (0.04) | 14.38 (0.04) | ||||||||||||
| K magnitude | 14.39 (0.07) | 14.39 (0.07) | ||||||||||||
| u magnitude | ||||||||||||||
| g magnitude | ||||||||||||||
| r magnitude | ||||||||||||||
| i magnitude | ||||||||||||||
| z magnitude | ||||||||||||||
| G magnitude | 15.09 (0.002) | 15.10 | 15.10 | 15.09 | 15.09 (0.003) | 15.10 | ||||||||
| BP magnitude | 15.25 (0.002) | 15.25 | 15.25 | |||||||||||
| RP magnitude | 14.80 (0.001) | 14.80 | 14.80 | |||||||||||
| Pan g magnitude | 15.25 (0.005) | 15.25 (0.005) | ||||||||||||
| Pan r magnitude | 15.14 (0.002) | 15.14 (0.002) | ||||||||||||
| Pan i magnitude | 15.13 (0.002) | 15.13 (0.001) | ||||||||||||
| Pan z magnitude | 15.19 (0.003) | 15.19 (0.003) | ||||||||||||
| Pan y magnitude | 15.24 (0.004) | 15.24 (0.003) | ||||||||||||
| E(B-V) | 0.002 | |||||||||||||
* Constant surface field
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