Gaia DR2 1300356053864952064
All names: SDSS J164637.73+251824.6, GALEX J164637.7+251825, SDSS J164637.73+251824.5, WDJ164637.74+251824.58, Gaia DR2 1300356053864952064, J1646+2518, Gaia DR3 1300356053864952064, Gaia EDR3 1300356053864952064, WDJ164637.74+251824.57
| 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 46 37.69 (0.02) | 16 46 37.69 | 16 46 37.69 | 16 46 37.74 (0.02) | 16 46 37.69 | |||||||
| Declination | 25 18 24.62 (0.03) | 25 18 24.61 | 25 18 24.62 | 25 18 24.58 (0.03) | 25 18 24.61 | |||||||
| Spectral type | DA | DA | DA | DA | ||||||||
| Effective temperature | [K] | 12696.0 (115) | 12684.0 (115) | 12509.0 | 13264.0 | 13098.0 (199) | ||||||
| log(g) | [cgs] | 8.01 (0.006) | 8.02 (0.007) | 8.01 | 8.04 | 8.04 (0.01) | ||||||
| Mass | [M☉] | 0.612 (0.006) | 0.618 (0.006) | 0.611 | 0.613 | 0.63 (0.01) | ||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 0.3373 | 0.3094 | |||||||||
| 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] | 12.24 (0.04) | 12.32 (0.05) | 12.24 | 12.24 (0.04) | 12.32 (0.05) | ||||||
| Distance | [pc] | 81.72 (0.3) | 81.14 (0.4) | 81.72 | 81.72 (0.3) | 81.14 (0.4) | ||||||
| Composition | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -45.07821118 (0.03) | -44.96362911 (0.07) | -45.078 (0.03) | -44.96362911 | |||||||
| Proper motion (declination) | [mas/yr] | 2.068639653 (0.04) | 2.402145883 (0.1) | 2.069 (0.04) | 2.402145883 | |||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | ||||||||||||
| V magnitude | ||||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | ||||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | 16.47 (0.006) | 16.47 (0.006) | ||||||||||
| g magnitude | 16.07 (0.003) | 16.07 (0.003) | ||||||||||
| r magnitude | 16.30 (0.004) | 16.30 (0.004) | ||||||||||
| i magnitude | 16.56 (0.005) | 16.56 (0.005) | ||||||||||
| z magnitude | 16.80 (0.01) | 16.80 (0.01) | ||||||||||
| G magnitude | 16.19 (0.004) | 16.21 | 16.19 | 16.19 (0.003) | 16.21 | |||||||
| BP magnitude | 16.19 (0.004) | 16.17 | 16.17 | |||||||||
| RP magnitude | 16.21 (0.006) | 16.21 | 16.21 | |||||||||
| Pan g magnitude | 16.09 (0.004) | |||||||||||
| Pan r magnitude | 16.30 (0.002) | |||||||||||
| Pan i magnitude | 16.54 (0.002) | |||||||||||
| Pan z magnitude | 16.75 (0.007) | |||||||||||
| Pan y magnitude | 16.88 (0.01) | |||||||||||
| E(B-V) | 0.009 | |||||||||||
* Constant surface field
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