Gaia DR2 4564029851585380608
All names: WDJ164454.81+204122.41, Gaia EDR3 4564029851585380608, Gaia DR2 4564029851585380608, SDSS J164454.78+204122.0, WDJ164454.81+204122.40, Gaia DR3 4564029851585380608
| 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 | 16 44 54.69 (0.08) | 16 44 54.69 | 16 44 54.69 | 16 44 54.81 (0.08) | 16 44 54.69 | ||||||
| Declination | 20 41 20.63 (0.08) | 20 41 20.68 | 20 41 20.63 | 20 41 22.41 (0.08) | 20 41 20.68 | ||||||
| Spectral type | DA | DA | DA | ||||||||
| Effective temperature | [K] | 6385.0 (36) | 6398.0 | 6148.0 | 6528.0 (69) | ||||||
| log(g) | [cgs] | 7.97 (0.01) | 7.97 | 7.83 | 8.02 (0.02) | ||||||
| Mass | [M☉] | 0.571 (0.01) | 0.572 | 0.474 | 0.6 (0.02) | ||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 1.8060 | 1.7680 | ||||||||
| 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] | 12.68 (0.1) | 12.65 (0.2) | 12.68 | 12.68 (0.1) | 12.65 (0.2) | |||||
| Distance | [pc] | 78.87 (0.7) | 79.05 (1) | 78.87 | 78.87 (0.7) | 79.05 (1) | |||||
| Composition | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -103.7876789 (0.1) | -103.7455093 (0.2) | -103.788 (0.1) | -103.7455093 | ||||||
| Proper motion (declination) | [mas/yr] | -111.2744683 (0.1) | -111.2765131 (0.2) | -111.274 (0.1) | -111.2765131 | ||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | |||||||||||
| H magnitude | |||||||||||
| K magnitude | |||||||||||
| u magnitude | 19.23 (0.02) | 19.23 (0.02) | |||||||||
| g magnitude | 18.50 (0.007) | 18.50 (0.007) | |||||||||
| r magnitude | 18.22 (0.008) | 18.22 (0.008) | |||||||||
| i magnitude | 18.13 (0.008) | 18.13 (0.008) | |||||||||
| z magnitude | 18.15 (0.02) | 18.15 (0.02) | |||||||||
| G magnitude | 18.21 (0.01) | 18.23 | 18.21 | 18.21 (0.003) | 18.23 | ||||||
| BP magnitude | 18.46 (0.01) | 18.46 | 18.46 | ||||||||
| RP magnitude | 17.82 (0.009) | 17.81 | 17.81 | ||||||||
| Pan g magnitude | 18.47 (0.006) | ||||||||||
| Pan r magnitude | 18.23 (0.004) | ||||||||||
| Pan i magnitude | 18.14 (0.007) | ||||||||||
| Pan z magnitude | 18.16 (0.006) | ||||||||||
| Pan y magnitude | 18.16 (0.01) | ||||||||||
| E(B-V) | 0.008 | ||||||||||
* Constant surface field
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