SDSS J121741.37+512952.6
All names: SDSS J121741.37+512952.6, Gaia EDR3 1547898723055791616, SDSS J121741.37+512952.68, Gaia DR3 1547898723055791616, SDSS J121741.37+512952.4, Gaia DR2 1547898723055791616, GALEX J121741.3+512953
| 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 | 12 17 41.33 (0.2) | 12 17 41.38 | 12 17 41.33 (0.3) | 12 17 41.33 | 12 17 41.39 (0.2) | ||||||
| Declination | 51 29 52.28 (0.2) | 51 29 52.42 | 51 29 52.29 (0.3) | 51 29 52.28 | 51 29 52.48 (0.2) | ||||||
| Spectral type | DA | DA | DA | DA | DA | ||||||
| Effective temperature | [K] | 6547.0 | 6531.0 (100) | 6706.0 (252) | |||||||
| log(g) | [cgs] | 7.52 | 7.78 (0.2) | 7.42 (0.1) | |||||||
| Mass | [M☉] | 0.348 | 0.476 (0.09) | 0.31 (0.07) | |||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 1.0180 | |||||||||
| 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] | 4.07 (0.3) | 4.51 (0.4) | 4.07 | 4.07 (0.3) | ||||||
| Distance | [pc] | 245.98 (19) | 221.60 (22) | 245.98 | 245.98 (19) | ||||||
| Composition | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -32.52595942 (0.2) | -32.49615916 (0.4) | -32.526 (0.2) | |||||||
| Proper motion (declination) | [mas/yr] | -12.163466 (0.3) | -11.89727567 (0.5) | -12.163 (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 | 20.68 (0.05) | 20.71 (0.05) | 20.69 (0.05) | ||||||||
| g magnitude | 20.06 (0.02) | 20.06 (0.02) | 20.05 (0.02) | ||||||||
| r magnitude | 19.83 (0.02) | 19.84 (0.02) | 19.83 (0.02) | ||||||||
| i magnitude | 19.73 (0.03) | 19.73 (0.03) | 19.72 (0.03) | ||||||||
| z magnitude | 19.67 (0.09) | 19.65 (0.09) | 19.66 (0.09) | ||||||||
| G magnitude | 19.81 (0.05) | 19.85 | 19.81 | 19.81 (0.004) | |||||||
| BP magnitude | 20.06 (0.05) | 20.06 | |||||||||
| RP magnitude | 19.50 (0.05) | 19.55 | |||||||||
| Pan g magnitude | 20.02 (0.02) | ||||||||||
| Pan r magnitude | 19.79 (0.01) | ||||||||||
| Pan i magnitude | 19.74 (0.01) | ||||||||||
| Pan z magnitude | 19.77 (0.02) | ||||||||||
| Pan y magnitude | 19.68 (0.05) | ||||||||||
| E(B-V) | 0.016 | ||||||||||
* Constant surface field
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