SDSS J203158.74+763211.5
All names: GALEX J203158.8+763211, Gaia EDR3 2290237988575844608, SDSS J203158.74+763211.4, Gaia DR2 2290237988575844608, Gaia DR3 2290237988575844608, SDSS J203158.74+763211.5
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Simbad | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 20 31 58.75 (0.8) | 20 31 58.72 | 20 31 58.75 (0.8) | 20 31 58.72 (0.8) | 20 31 58.74 | ||||
| Declination | 76 32 11.42 (0.6) | 76 32 11.41 | 76 32 11.42 (0.9) | 76 32 11.47 (0.6) | 76 32 11.47 | ||||
| Spectral type | DA | DA | DA | ||||||
| Effective temperature | [K] | 14227.0 | 20314.0 (1376) | ||||||
| log(g) | [cgs] | 7.82 | 8.21 (0.2) | ||||||
| Mass | [M☉] | 0.513 | 0.739 (0.1) | ||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | 0.1765 | |||||||
| 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] | 1.52 (0.8) | 1.70 (0.9) | 1.52 (0.8) | |||||
| Distance | [pc] | 656.57 (327) | 589.18 (302) | 656.56 (327) | |||||
| Composition | H | ||||||||
| Proper motion (right ascension) | [mas/yr] | 5.266073495 (1) | 4.962645039 (3) | 5.266 (1) | |||||
| Proper motion (declination) | [mas/yr] | -3.239188753 (1) | -4.485473621 (2) | -3.239 (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 | 20.92 (0.09) | 20.90 (0.09) | 20.90 (0.09) | ||||||
| g magnitude | 20.52 (0.03) | 20.54 (0.03) | 20.54 (0.03) | ||||||
| r magnitude | 20.75 (0.04) | 20.77 (0.04) | 20.77 (0.04) | ||||||
| i magnitude | 20.87 (0.06) | 20.87 (0.06) | |||||||
| z magnitude | 20.77 (0.2) | 20.77 (0.2) | 20.77 (0.2) | ||||||
| G magnitude | 20.63 (0.2) | 20.67 | 20.63 (0.009) | ||||||
| BP magnitude | 20.49 (0.2) | 20.22 | |||||||
| RP magnitude | 20.58 (0.2) | 20.42 | |||||||
| Pan g magnitude | 20.59 (0.02) | ||||||||
| Pan r magnitude | 20.66 (0.04) | ||||||||
| Pan i magnitude | 20.92 (0.04) | ||||||||
| Pan z magnitude | 20.84 (0.2) | ||||||||
| Pan y magnitude | |||||||||
| E(B-V) | 0.185 | ||||||||
* Constant surface field
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