SDSS J203121.01+131716.2
All names: Gaia DR3 1803883519839031168, Gaia EDR3 1803883519839031168, SDSS J203121.02+131716.2, Gaia DR2 1803883519839031168, SDSS J203121.01+131716.2, SDSS J203121.02+131716.1
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Simbad | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 20 31 21.03 (0.2) | 20 31 21.02 | 20 31 21.03 (0.3) | 20 31 21.01 (0.2) | 20 31 21.02 | |||||
| Declination | 13 17 16.10 (0.2) | 13 17 16.25 | 13 17 16.11 (0.2) | 13 17 16.26 (0.2) | 13 17 16.21 | |||||
| Spectral type | DA | DA | DA | DA | ||||||
| Effective temperature | [K] | 22000.0 | 20563.0 (310) | |||||||
| log(g) | [cgs] | 8.52 | 8.10 (0.05) | |||||||
| Mass | [M☉] | 0.946 | 0.677 (0.03) | |||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | 0.1528 | ||||||||
| 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] | 3.25 (0.3) | 3.17 (0.4) | 3.25 (0.3) | ||||||
| Distance | [pc] | 307.48 (32) | 315.22 (44) | 307.48 (32) | ||||||
| Composition | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | 10.72011963 (0.4) | 11.19356256 (0.6) | 10.72 (0.4) | ||||||
| Proper motion (declination) | [mas/yr] | -9.616761126 (0.2) | -9.395197707 (0.4) | -9.617 (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 | 19.01 (0.02) | 19.01 (0.02) | 19.00 (0.03) | |||||||
| g magnitude | 18.89 (0.009) | 18.89 (0.009) | 18.89 (0.05) | |||||||
| r magnitude | 19.23 (0.01) | 19.23 (0.01) | 19.20 (0.1) | |||||||
| i magnitude | 19.46 (0.02) | 19.46 (0.02) | 19.41 (0.2) | |||||||
| z magnitude | 19.82 (0.1) | 19.82 (0.1) | 19.74 (0.1) | |||||||
| G magnitude | 19.03 (0.07) | 19.07 | 19.03 (0.004) | |||||||
| BP magnitude | 18.95 (0.07) | 18.91 | ||||||||
| RP magnitude | 19.18 (0.09) | 19.27 | ||||||||
| Pan g magnitude | 18.92 (0.004) | |||||||||
| Pan r magnitude | 19.19 (0.007) | |||||||||
| Pan i magnitude | 19.51 (0.01) | |||||||||
| Pan z magnitude | 19.75 (0.02) | |||||||||
| Pan y magnitude | ||||||||||
| E(B-V) | 0.084 | |||||||||
* Constant surface field
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