SDSS J172012.89+311848.9
All names: SDSS J172012.88+311848.9, Gaia DR3 1333250997929774592, SDSS J172012.89+311848.9, Gaia DR2 1333250997929774592, SDSS J172012.89+311848.8, Gaia EDR3 1333250997929774592
| 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 | 17 20 12.89 (0.1) | 17 20 12.89 | 17 20 12.89 (0.2) | 17 20 12.89 | 17 20 12.89 (0.1) | 17 20 12.89 | |||||
| Declination | 31 18 49.41 (0.1) | 31 18 48.97 | 31 18 49.39 (0.2) | 31 18 49.41 | 31 18 48.91 (0.1) | 31 18 48.86 | |||||
| Spectral type | DA | DA | DA | DA | DA | ||||||
| Effective temperature | [K] | 6583.0 | 6562.0 (157) | 6640.0 (60) | |||||||
| log(g) | [cgs] | 7.55 | 7.51 (0.06) | 7.93 (0.1) | |||||||
| Mass | [M☉] | 0.363 | 0.344 (0.04) | 0.554 (0.08) | |||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 1.0360 | |||||||||
| 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] | 6.46 (0.2) | 6.56 (0.2) | 6.46 | 6.46 (0.2) | ||||||
| Distance | [pc] | 154.70 (4) | 152.37 (5) | 154.70 | 154.70 (4) | ||||||
| Composition | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 0.153764191 (0.2) | 0.176452932 (0.3) | 0.154 (0.2) | |||||||
| Proper motion (declination) | [mas/yr] | 30.72255995 (0.2) | 30.55328657 (0.4) | 30.723 (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 | 19.88 (0.04) | 19.88 (0.04) | 19.84 (0.03) | ||||||||
| g magnitude | 19.25 (0.01) | 19.25 (0.01) | 19.26 (0.01) | ||||||||
| r magnitude | 19.04 (0.01) | 19.04 (0.01) | 19.01 (0.01) | ||||||||
| i magnitude | 18.96 (0.01) | 18.96 (0.01) | 18.90 (0.01) | ||||||||
| z magnitude | 18.92 (0.04) | 18.92 (0.04) | 18.96 (0.04) | ||||||||
| G magnitude | 19.00 (0.02) | 19.03 | 19.00 | 19.00 (0.003) | |||||||
| BP magnitude | 19.27 (0.02) | 19.22 | |||||||||
| RP magnitude | 18.62 (0.02) | 18.62 | |||||||||
| Pan g magnitude | 19.23 (0.01) | ||||||||||
| Pan r magnitude | 19.01 (0.008) | ||||||||||
| Pan i magnitude | 18.94 (0.008) | ||||||||||
| Pan z magnitude | 19.02 (0.01) | ||||||||||
| Pan y magnitude | 18.91 (0.02) | ||||||||||
| E(B-V) | 0.017 | ||||||||||
* Constant surface field
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