SDSS J102157.12+482942.0
All names: Gaia DR2 834689544942533632, Gaia DR3 834689544942533632, SDSS J102157.12+482942.0, SDSS J102157.10+482941.9, GALEX J102157.2+482943, SDSS J102157.11+482941.9, Gaia EDR3 834689544942533632, SDSS J102157.11+482941.8, SDSS J102157.11+482941.87
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Kepler et al. 2016 | Vincent et al. 2024 | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 10 21 57.10 (0.1) | 10 21 57.12 | 10 21 57.10 (0.2) | 10 21 57.10 | 10 21 57.12 (0.1) | ||||||
| Declination | 48 29 41.88 (0.2) | 48 29 42.05 | 48 29 41.88 (0.3) | 48 29 41.88 | 48 29 42.02 (0.2) | ||||||
| Spectral type | DA | DA | DA | DA | DA | ||||||
| Effective temperature | [K] | 15281.0 | 16077.0 (94) | 15912.0 (1108) | |||||||
| log(g) | [cgs] | 7.52 | 8.06 (0.03) | 7.69 (0.1) | |||||||
| Mass | [M☉] | 0.385 | 0.6459999999999999 (0.02) | 0.456 (0.07) | |||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 0.0946 | |||||||||
| 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] | 2.54 (0.2) | 2.31 (0.3) | 2.54 | 2.54 (0.2) | ||||||
| Distance | [pc] | 393.21 (29) | 433.31 (54) | 393.21 | 393.21 (29) | ||||||
| Composition | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -14.53703752 (0.2) | -14.01182705 (0.3) | -14.537 (0.2) | |||||||
| Proper motion (declination) | [mas/yr] | -9.161074275 (0.2) | -9.11850464 (0.5) | -9.161 (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 | 18.73 (0.02) | 18.75 (0.02) | 18.74 (0.02) | ||||||||
| g magnitude | 18.58 (0.008) | 18.59 (0.02) | 18.58 (0.008) | ||||||||
| r magnitude | 18.91 (0.01) | 18.93 (0.03) | 18.91 (0.01) | ||||||||
| i magnitude | 19.20 (0.02) | 19.22 (0.02) | 19.20 (0.02) | ||||||||
| z magnitude | 19.47 (0.08) | 19.47 (0.07) | 19.47 (0.08) | ||||||||
| G magnitude | 18.78 (0.01) | 18.81 | 18.78 | 18.78 (0.004) | |||||||
| BP magnitude | 18.73 (0.01) | 18.70 | |||||||||
| RP magnitude | 18.95 (0.04) | 19.05 | |||||||||
| Pan g magnitude | 18.65 (0.005) | ||||||||||
| Pan r magnitude | 18.92 (0.008) | ||||||||||
| Pan i magnitude | 19.22 (0.006) | ||||||||||
| Pan z magnitude | 19.47 (0.02) | ||||||||||
| Pan y magnitude | 19.57 (0.07) | ||||||||||
| E(B-V) | 0.019 | ||||||||||
* Constant surface field
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