SDSS J171810.89+382754.5
All names: SDSS J171810.89+382754.43, SDSS J171810.89+382754.5, SDSS J171810.89+382754.4, Gaia EDR3 1340694348052111232, Gaia DR3 1340694348052111232, SDSS J171810.88+382754.4, GALEX J171810.8+382754, Gaia DR2 1340694348052111232
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | Bedard et al. 2020 | MWDD H | Gaia DR2 | Stilism | Kepler et al. 2015 | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 17 18 10.88 (0.1) | 17 18 10.89 | 17 18 10.88 (0.2) | 17 18 10.90 (0.1) | |||||||
| Declination | 38 27 54.42 (0.1) | 38 27 54.54 | 38 27 54.43 (0.2) | 38 27 54.61 (0.1) | |||||||
| Spectral type | DA | DA | DA | DA | DA | ||||||
| Effective temperature | [K] | 46689.0 (1687) | 21297.0 | 54692.0 (1660) | |||||||
| log(g) | [cgs] | 7.45 (0.1) | 3.17 | 8.00 (0.1) | |||||||
| Mass | [M☉] | 0.46 (0.05) | 0.0 | 0.6859999999999999 (0.04) | |||||||
| log(Luminosity) | [L☉] | 0.29 (0.1) | |||||||||
| Cooling age | [Gyr] | 0.0004 (0.0003) | |||||||||
| 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] | 0.81 (0.2) | 0.38 (0.2) | 0.81 (0.2) | |||||||
| Distance | [pc] | 1232.77 (246) | 2644.78 (1394) | 1232.74 (246) | |||||||
| Composition | H | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | -12.21632387 (0.2) | -12.48895497 (0.3) | -12.216 (0.2) | |||||||
| Proper motion (declination) | [mas/yr] | -11.84931178 (0.2) | -12.25723866 (0.4) | -11.849 (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 | 18.31 (0.01) | 18.31 (0.02) | 18.31 (0.01) | ||||||||
| g magnitude | 18.61 (0.008) | 18.63 (0.01) | 18.61 (0.008) | ||||||||
| r magnitude | 19.10 (0.01) | 19.10 (0.02) | 19.10 (0.01) | ||||||||
| i magnitude | 19.42 (0.02) | 19.42 (0.02) | 19.42 (0.02) | ||||||||
| z magnitude | 19.66 (0.07) | 19.67 (0.07) | 19.66 (0.07) | ||||||||
| G magnitude | 18.85 (0.02) | 18.88 | 18.85 (0.003) | ||||||||
| BP magnitude | 18.79 (0.02) | 18.67 | |||||||||
| RP magnitude | 19.18 (0.07) | 19.14 | |||||||||
| Pan g magnitude | 18.70 (0.01) | ||||||||||
| Pan r magnitude | 19.07 (0.01) | ||||||||||
| Pan i magnitude | 19.42 (0.009) | ||||||||||
| Pan z magnitude | 19.67 (0.03) | ||||||||||
| Pan y magnitude | 19.87 (0.04) | ||||||||||
| E(B-V) | 0.027 | ||||||||||
* Constant surface field
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