SDSS J164636.43+192807.6
All names: SDSS J164636.43+192807.6, Gaia DR2 4563037851578898944, Gaia DR3 4563037851578898944, SDSS J164636.43+192807.5, GALEX J164636.4+192807, SDSS J164636.42+192807.5, Gaia EDR3 4563037851578898944, SDSS J164636.43+192807.64
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | Hardy et al. 2023a | MWDD H | Gaia DR2 | Stilism | Kepler et al. 2015 | Vincent et al. 2024 | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 16 46 36.43 (0.1) | 16 46 36.43 | 16 46 36.43 (0.2) | 16 46 36.43 | 16 46 36.43 (0.1) | |||||||
| Declination | 19 28 07.63 (0.2) | 19 28 07.55 | 19 28 07.63 (0.2) | 19 28 07.63 | 19 28 07.57 (0.2) | |||||||
| Spectral type | DA | DAH: | DAH: | DA | DAH | DA | ||||||
| Effective temperature | [K] | 17860.8 (286) | 13224.0 | 19718.0 (224) | 15913.0 (860) | |||||||
| log(g) | [cgs] | 7.65 (0.2) | 7.38 | 7.96 (0.04) | 7.87 (0.1) | |||||||
| Mass | [M☉] | 0.4451897511175285 (0.1) | 0.329 | 0.542 (0.08) | ||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 0.1435 | ||||||||||
| 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] | 2.52 (0.2) | 2.07 (0.3) | 2.52 | 2.52 (0.2) | |||||||
| Distance | [pc] | 396.21 (35) | 484.22 (65) | 396.21 | 396.21 (35) | |||||||
| Composition | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -5.693803119 (0.2) | -5.387594915 (0.4) | -5.694 (0.2) | ||||||||
| Proper motion (declination) | [mas/yr] | 3.525051127 (0.2) | 2.434351999 (0.5) | 3.525 (0.2) | ||||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | ||||||||||||
| V magnitude | ||||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | ||||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | 19.17 (0.02) | 19.18 (0.02) | 19.18 (0.02) | |||||||||
| g magnitude | 18.98 (0.009) | 18.99 (0.02) | 18.98 (0.009) | |||||||||
| r magnitude | 19.23 (0.01) | 19.23 (0.02) | 19.23 (0.01) | |||||||||
| i magnitude | 19.47 (0.02) | 19.47 (0.04) | 19.47 (0.02) | |||||||||
| z magnitude | 19.82 (0.09) | 19.81 (0.09) | 19.82 (0.09) | |||||||||
| G magnitude | 19.10 (0.01) | 19.15 | 19.10 | 19.10 (0.003) | ||||||||
| BP magnitude | 19.12 (0.01) | 19.10 | ||||||||||
| RP magnitude | 19.20 (0.03) | 19.22 | ||||||||||
| Pan g magnitude | 18.98 (0.008) | |||||||||||
| Pan r magnitude | 19.25 (0.01) | |||||||||||
| Pan i magnitude | 19.51 (0.009) | |||||||||||
| Pan z magnitude | 19.73 (0.02) | |||||||||||
| Pan y magnitude | 19.79 (0.05) | |||||||||||
| E(B-V) | 0.049 | |||||||||||
* Constant surface field
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