SDSS J164239.54+213642.3
All names: SDSS J164239.53+213642.39, SDSS J164239.53+213642.3, Gaia DR3 4564326169968881536, Gaia DR2 4564326169968881536, Gaia EDR3 4564326169968881536, GALEX J164239.5+213642, SDSS J164239.54+213642.3, SDSS J164239.53+213642.4
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | MWDD H | Gaia DR2 | Stilism | Kepler et al. 2015 | Vincent et al. 2024 | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 16 42 39.52 (0.09) | 16 42 39.52 (0.1) | 16 42 39.52 | 16 42 39.54 (0.09) | ||||||
| Declination | 21 36 42.50 (0.09) | 21 36 42.50 (0.1) | 21 36 42.50 | 21 36 42.41 (0.09) | ||||||
| Spectral type | DA | DA | DA | DA | DA | |||||
| Effective temperature | [K] | 14518.0 | 12966.0 (93) | 14987.0 (573) | ||||||
| log(g) | [cgs] | 8.30 | 8.52 (0.03) | 8.30 (0.04) | ||||||
| Mass | [M☉] | 0.8 | 0.92 (0.02) | 0.8 (0.04) | ||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | 0.3512 | ||||||||
| 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] | 4.97 (0.1) | 5.00 (0.2) | 4.97 | 4.97 (0.1) | |||||
| Distance | [pc] | 201.25 (6) | 200.02 (7) | 201.25 | 201.25 (6) | |||||
| Composition | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | -15.98835903 (0.1) | -16.31265639 (0.2) | -15.988 (0.1) | ||||||
| Proper motion (declination) | [mas/yr] | 5.803076414 (0.1) | 5.418573113 (0.3) | 5.803 (0.1) | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | ||||||||||
| H magnitude | ||||||||||
| K magnitude | ||||||||||
| u magnitude | 18.42 (0.02) | 18.43 (0.02) | ||||||||
| g magnitude | 18.16 (0.01) | 18.16 (0.02) | ||||||||
| r magnitude | 18.45 (0.01) | 18.46 (0.01) | ||||||||
| i magnitude | 18.72 (0.01) | 18.73 (0.02) | ||||||||
| z magnitude | 18.97 (0.04) | 18.99 (0.04) | ||||||||
| G magnitude | 18.33 (0.01) | 18.37 | 18.33 | 18.33 (0.003) | ||||||
| BP magnitude | 18.33 (0.01) | 18.29 | ||||||||
| RP magnitude | 18.45 (0.02) | 18.39 | ||||||||
| Pan g magnitude | 18.23 (0.007) | |||||||||
| Pan r magnitude | 18.48 (0.005) | |||||||||
| Pan i magnitude | 18.75 (0.007) | |||||||||
| Pan z magnitude | 18.97 (0.01) | |||||||||
| Pan y magnitude | 19.13 (0.06) | |||||||||
| E(B-V) | 0.032 | |||||||||
* Constant surface field
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