SDSS J082739.40+485140.4
All names: SDSS J082739.40+485140.43, Gaia DR2 931035934953742208, Gaia EDR3 931035934953742208, Gaia DR3 931035934953742208, SDSS J082739.41+485140.0, GALEX J082739.3+485140, SDSS J082739.40+485140.4
| 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 27 39.46 (0.3) | 08 27 39.41 | 08 27 39.46 (0.3) | 08 27 39.41 (0.3) | ||||||
| Declination | 48 51 39.61 (0.2) | 48 51 40.09 | 48 51 39.62 (0.3) | 48 51 40.10 (0.2) | ||||||
| Spectral type | DA | DA | DA | DA | ||||||
| Effective temperature | [K] | 7944.0 | 8944.0 (83) | |||||||
| log(g) | [cgs] | 7.12 | 8.01 (0.1) | |||||||
| Mass | [M☉] | 0.233 | 0.603 (0.07) | |||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | 0.4829 | ||||||||
| 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] | 2.92 (0.3) | 2.79 (0.5) | 2.92 (0.3) | ||||||
| Distance | [pc] | 341.97 (37) | 358.49 (59) | 341.97 (37) | ||||||
| Composition | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | 30.8433877 (0.3) | 30.15223786 (0.7) | 30.843 (0.3) | ||||||
| Proper motion (declination) | [mas/yr] | -31.10517009 (0.3) | -30.65236412 (0.7) | -31.105 (0.3) | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | ||||||||||
| H magnitude | ||||||||||
| K magnitude | ||||||||||
| u magnitude | 20.25 (0.05) | 20.28 (0.05) | 20.25 (0.05) | |||||||
| g magnitude | 19.67 (0.02) | 19.69 (0.02) | 19.67 (0.02) | |||||||
| r magnitude | 19.61 (0.02) | 19.63 (0.02) | 19.61 (0.02) | |||||||
| i magnitude | 19.59 (0.02) | 19.60 (0.02) | 19.59 (0.02) | |||||||
| z magnitude | 19.71 (0.1) | 19.70 (0.09) | 19.71 (0.1) | |||||||
| G magnitude | 19.57 (0.05) | 19.60 | 19.57 (0.005) | |||||||
| BP magnitude | 19.76 (0.05) | 19.83 | ||||||||
| RP magnitude | 19.38 (0.05) | 19.35 | ||||||||
| Pan g magnitude | 19.67 (0.02) | |||||||||
| Pan r magnitude | 19.63 (0.01) | |||||||||
| Pan i magnitude | 19.66 (0.02) | |||||||||
| Pan z magnitude | 19.75 (0.03) | |||||||||
| Pan y magnitude | 19.63 (0.1) | |||||||||
| E(B-V) | 0.023 | |||||||||
* Constant surface field
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