SDSS J163959.92+205230.4
All names: SDSS J163959.91+205230.4, Gaia EDR3 4564181618550354048, Gaia DR3 4564181618550354048, SDSS J163959.92+205230.4, Gaia DR2 4564181618550354048, SDSS J163959.91+205230.3, GALEX J163959.8+205230
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 16 39 59.88 (0.1) | 16 39 59.92 | 16 39 59.88 (0.2) | 16 39 59.88 | 16 39 59.93 (0.1) | 16 39 59.92 | |||||
| Declination | 20 52 29.90 (0.2) | 20 52 30.39 | 20 52 29.92 (0.2) | 20 52 29.90 | 20 52 30.53 (0.2) | 20 52 30.43 | |||||
| Spectral type | DA | DA | DA | DA | DA | ||||||
| Effective temperature | [K] | 7439.0 | 7254.0 (180) | 8107.0 (100) | |||||||
| log(g) | [cgs] | 7.66 | 7.54 (0.07) | 7.77 (0.2) | |||||||
| Mass | [M☉] | 0.411 | 0.36 (0.05) | 0.485 (0.1) | |||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 0.8507 | |||||||||
| 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] | 5.12 (0.2) | 5.16 (0.3) | 5.12 | 5.12 (0.2) | ||||||
| Distance | [pc] | 195.42 (9) | 193.66 (1e+01) | 195.42 | 195.42 (9) | ||||||
| Composition | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -45.5712308 (0.2) | -45.37890565 (0.4) | -45.571 (0.2) | |||||||
| Proper motion (declination) | [mas/yr] | -39.51388824 (0.2) | -39.79299712 (0.4) | -39.514 (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 | 19.95 (0.04) | 19.95 (0.04) | 19.84 (0.04) | ||||||||
| g magnitude | 19.34 (0.01) | 19.34 (0.01) | 19.33 (0.01) | ||||||||
| r magnitude | 19.25 (0.01) | 19.25 (0.01) | 19.22 (0.01) | ||||||||
| i magnitude | 19.23 (0.02) | 19.23 (0.02) | 19.22 (0.02) | ||||||||
| z magnitude | 19.28 (0.05) | 19.28 (0.05) | 19.44 (0.07) | ||||||||
| G magnitude | 19.19 (0.02) | 19.22 | 19.19 | 19.19 (0.003) | |||||||
| BP magnitude | 19.41 (0.02) | 19.31 | |||||||||
| RP magnitude | 18.85 (0.03) | 18.91 | |||||||||
| Pan g magnitude | 19.33 (0.009) | ||||||||||
| Pan r magnitude | 19.22 (0.01) | ||||||||||
| Pan i magnitude | 19.22 (0.01) | ||||||||||
| Pan z magnitude | 19.29 (0.02) | ||||||||||
| Pan y magnitude | 19.31 (0.04) | ||||||||||
| E(B-V) | 0.035 | ||||||||||
* Constant surface field
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