SDSS J163900.07+440807.8
All names: Gaia DR3 1405769875751297408, SDSS J163900.06+440807.8, GALEX J163900.0+440807, SDSS J163900.07+440807.84, SDSS J163900.06+440807.9, Gaia DR2 1405769875751297408, SDSS J163900.07+440807.8, Gaia EDR3 1405769875751297408, SDSS J163900.06+440808.0
| 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 39 00.07 (0.1) | 16 39 00.06 | 16 39 00.07 (0.1) | 16 39 00.07 | 16 39 00.07 (0.1) | |||||||
| Declination | 44 08 07.75 (0.1) | 44 08 07.98 | 44 08 07.76 (0.1) | 44 08 07.75 | 44 08 08.07 (0.1) | |||||||
| Spectral type | DA | DAH: | DAH: | DA | DAH | DA | ||||||
| Effective temperature | [K] | 16138.3 (291) | 15287.0 | 16856.0 (158) | 16420.0 (998) | |||||||
| log(g) | [cgs] | 7.92 (0.5) | 7.85 | 8.03 (0.03) | 7.97 (0.07) | |||||||
| Mass | [M☉] | 0.5712437345659289 (0.5) | 0.532 | 0.598 (0.05) | ||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 0.1456 | ||||||||||
| 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] | 3.48 (0.1) | 3.37 (0.2) | 3.48 | 3.48 (0.1) | |||||||
| Distance | [pc] | 287.62 (10) | 296.52 (14) | 287.62 | 287.62 (10) | |||||||
| Composition | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -2.62527851 (0.1) | -2.558395161 (0.3) | -2.625 (0.1) | ||||||||
| Proper motion (declination) | [mas/yr] | -20.24773738 (0.2) | -20.04128635 (0.4) | -20.248 (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 | 18.51 (0.02) | 18.53 (0.03) | 18.51 (0.02) | |||||||||
| g magnitude | 18.25 (0.007) | 18.27 (0.02) | 18.25 (0.007) | |||||||||
| r magnitude | 18.58 (0.009) | 18.60 (0.02) | 18.58 (0.009) | |||||||||
| i magnitude | 18.82 (0.01) | 18.84 (0.02) | 18.82 (0.01) | |||||||||
| z magnitude | 19.17 (0.06) | 19.18 (0.06) | 19.17 (0.06) | |||||||||
| G magnitude | 18.42 (0.01) | 18.45 | 18.42 | 18.42 (0.003) | ||||||||
| BP magnitude | 18.42 (0.01) | 18.40 | ||||||||||
| RP magnitude | 18.55 (0.04) | 18.53 | ||||||||||
| Pan g magnitude | 18.28 (0.006) | |||||||||||
| Pan r magnitude | 18.58 (0.005) | |||||||||||
| Pan i magnitude | 18.87 (0.008) | |||||||||||
| Pan z magnitude | 19.07 (0.01) | |||||||||||
| Pan y magnitude | 19.27 (0.04) | |||||||||||
| E(B-V) | 0.018 | |||||||||||
* Constant surface field
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