SDSS J081750.81+474130.8
All names: SDSS J081750.81+474130.88, Gaia DR3 931279309276280832, SDSS J081750.82+474130.6, Gaia EDR3 931279309276280832, SDSS J081750.81+474130.8, Gaia DR2 931279309276280832
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | MWDD H | Gaia DR2 | Stilism | Kepler et al. 2015 | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 17 50.80 (0.9) | 08 17 50.82 | 08 17 50.80 (2) | 08 17 50.82 (0.9) | ||||||
| Declination | 47 41 30.06 (0.5) | 47 41 30.64 | 47 41 30.07 (0.7) | 47 41 30.62 (0.5) | ||||||
| Spectral type | DA | DA | DA | DA | ||||||
| Effective temperature | [K] | 7534.0 | 8694.0 (78) | |||||||
| log(g) | [cgs] | 5.82 | 7.88 (0.1) | |||||||
| Mass | [M☉] | 0.026 | 0.534 (0.05) | |||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| 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] | 1.90 (1) | 1.34 (2) | 1.90 (1) | ||||||
| Distance | [pc] | 527.38 (337) | 747.59 (960) | 527.37 (337) | ||||||
| Composition | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | -11.08428693 (1) | -11.17891646 (4) | -11.084 (1) | ||||||
| Proper motion (declination) | [mas/yr] | -35.36753572 (0.8) | -34.64094818 (2) | -35.368 (0.8) | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | ||||||||||
| H magnitude | ||||||||||
| K magnitude | ||||||||||
| u magnitude | 21.41 (0.1) | 21.39 (0.09) | 21.41 (0.1) | |||||||
| g magnitude | 20.77 (0.03) | 20.77 (0.04) | 20.77 (0.03) | |||||||
| r magnitude | 20.66 (0.04) | 20.64 (0.04) | 20.66 (0.04) | |||||||
| i magnitude | 20.77 (0.06) | 20.77 (0.06) | 20.77 (0.06) | |||||||
| z magnitude | 20.54 (0.1) | 20.53 (0.1) | 20.53 (0.1) | |||||||
| G magnitude | 20.60 (0.1) | 20.67 | 20.60 (0.008) | |||||||
| BP magnitude | 20.81 (0.1) | 20.51 | ||||||||
| RP magnitude | 20.30 (0.09) | 20.23 | ||||||||
| Pan g magnitude | 20.73 (0.02) | |||||||||
| Pan r magnitude | 20.63 (0.02) | |||||||||
| Pan i magnitude | 20.71 (0.03) | |||||||||
| Pan z magnitude | 20.81 (0.1) | |||||||||
| Pan y magnitude | ||||||||||
| E(B-V) | 0.037 | |||||||||
* Constant surface field
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