Gaia DR2 4559106586411037440
All names: SDSS J164453.69+165731.0, SDSS J164453.69+165731.1, Gaia EDR3 4559106586411037440, J1644+1657, Gaia DR3 4559106586411037440, WDJ164453.69+165731.25, SDSS J164453.68+165731.0, Gaia DR2 4559106586411037440, WDJ164453.69+165731.26, GALEX J164453.6+165731
| 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 | 16 44 53.70 (0.03) | 16 44 53.70 | 16 44 53.70 | 16 44 53.69 (0.03) | 16 44 53.70 | |||||||
| Declination | 16 57 30.48 (0.03) | 16 57 30.51 | 16 57 30.48 | 16 57 31.26 (0.03) | 16 57 30.51 | |||||||
| Spectral type | DA | DA | DA | DA | ||||||||
| Effective temperature | [K] | 15288.0 (74) | 15293.0 (76) | 15407.0 | 16183.0 | 15537.0 (218) | ||||||
| log(g) | [cgs] | 8.36 (0.005) | 8.34 (0.007) | 8.35 | 8.45 | 8.37 (0.01) | ||||||
| Mass | [M☉] | 0.834 (0.005) | 0.826 (0.006) | 0.831 | 0.873 | 0.843 (0.01) | ||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 0.3208 | 0.3413 | |||||||||
| 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] | 11.96 (0.05) | 11.87 (0.07) | 11.96 | 11.96 (0.05) | 11.87 (0.07) | ||||||
| Distance | [pc] | 83.58 (0.3) | 84.27 (0.5) | 83.58 | 83.58 (0.3) | 84.27 (0.5) | ||||||
| Composition | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 11.56749261 (0.04) | 11.79315395 (0.09) | 11.567 (0.04) | 11.79315395 | |||||||
| Proper motion (declination) | [mas/yr] | -48.190844 (0.04) | -48.22504931 (0.1) | -48.191 (0.04) | -48.22504931 | |||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | ||||||||||||
| V magnitude | ||||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | ||||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | 16.52 (0.007) | 16.52 (0.007) | ||||||||||
| g magnitude | 16.29 (0.004) | 16.29 (0.004) | ||||||||||
| r magnitude | 16.57 (0.004) | 16.57 (0.004) | ||||||||||
| i magnitude | 16.83 (0.005) | 16.83 (0.005) | ||||||||||
| z magnitude | 17.11 (0.01) | 17.11 (0.01) | ||||||||||
| G magnitude | 16.44 (0.003) | 16.45 | 16.44 | 16.44 (0.003) | 16.45 | |||||||
| BP magnitude | 16.40 (0.003) | 16.38 | 16.38 | |||||||||
| RP magnitude | 16.55 (0.004) | 16.55 | 16.55 | |||||||||
| Pan g magnitude | 16.31 (0.002) | |||||||||||
| Pan r magnitude | 16.58 (0.003) | |||||||||||
| Pan i magnitude | 16.86 (0.003) | |||||||||||
| Pan z magnitude | 17.10 (0.003) | |||||||||||
| Pan y magnitude | 17.26 (0.003) | |||||||||||
| E(B-V) | 0.007 | |||||||||||
* Constant surface field
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