SDSS J215734.37+210747.3
All names: Gaia DR2 1781069336459567232, Gaia EDR3 1781069336459567232, GALEX J215734.3+210747, SDSS J215734.37+210747.32, SDSS J215734.36+210747.3, SDSS J215734.37+210747.3, Gaia DR3 1781069336459567232, SDSS J215734.36+210747.4
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | MWDD H | Gaia DR2 | Stilism | Kepler et al. 2015 | Vincent et al. 2024 | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 21 57 34.38 (0.2) | 21 57 34.36 | 21 57 34.38 (0.2) | 21 57 34.38 | 21 57 34.36 (0.2) | ||||||
| Declination | 21 07 47.21 (0.2) | 21 07 47.40 | 21 07 47.21 (0.2) | 21 07 47.21 | 21 07 47.46 (0.2) | ||||||
| Spectral type | DA | DA | DA | DA | DA | ||||||
| Effective temperature | [K] | 15846.0 | 27603.0 (224) | 25967.0 (1883) | |||||||
| log(g) | [cgs] | 7.65 | 7.98 (0.04) | 8.13 (0.1) | |||||||
| Mass | [M☉] | 0.437 | 0.628 (0.02) | 0.709 (0.1) | |||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 0.0933 | |||||||||
| 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] | 2.46 (0.2) | 2.51 (0.3) | 2.46 | 2.46 (0.2) | ||||||
| Distance | [pc] | 407.19 (37) | 398.00 (43) | 407.19 | 407.18 (37) | ||||||
| Composition | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 14.75923581 (0.2) | 14.2657778 (0.4) | 14.759 (0.2) | |||||||
| Proper motion (declination) | [mas/yr] | -15.88094677 (0.2) | -15.47321569 (0.4) | -15.881 (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 | 18.40 (0.02) | 18.42 (0.02) | 18.40 (0.01) | ||||||||
| g magnitude | 18.48 (0.007) | 18.48 (0.02) | 18.48 (0.007) | ||||||||
| r magnitude | 18.85 (0.01) | 18.87 (0.01) | 18.85 (0.01) | ||||||||
| i magnitude | 19.11 (0.01) | 19.11 (0.02) | 19.11 (0.01) | ||||||||
| z magnitude | 19.42 (0.07) | 19.41 (0.07) | 19.42 (0.07) | ||||||||
| G magnitude | 18.67 (0.02) | 18.71 | 18.67 | 18.67 (0.003) | |||||||
| BP magnitude | 18.62 (0.02) | 18.57 | |||||||||
| RP magnitude | 18.87 (0.04) | 18.86 | |||||||||
| Pan g magnitude | 18.57 (0.009) | ||||||||||
| Pan r magnitude | 18.86 (0.008) | ||||||||||
| Pan i magnitude | 19.15 (0.008) | ||||||||||
| Pan z magnitude | 19.43 (0.02) | ||||||||||
| Pan y magnitude | 19.51 (0.04) | ||||||||||
| E(B-V) | 0.049 | ||||||||||
* Constant surface field
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