Gaia DR2 2389966854309408512
All names: SDSS J235547.61-191624.4, Gaia DR2 2389966854309408512, J2355-1916, Gaia EDR3 2389966854309408512, WDJ235547.56-191624.51, Gaia DR3 2389966854309408512, SDSS J235547.62-191624.5, GALEX J235547.6-191624
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | Caron et al. 2023 | Kilic et al. 2020 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 23 55 47.74 (0.05) | 23 55 47.73 | 23 55 47.74 | 23 55 47.56 (0.05) | 23 55 47.73 | ||||||||
| Declination | -19 16 24.31 (0.05) | -19 16 24.32 | -19 16 24.31 | -19 16 24.51 (0.05) | -19 16 24.32 | ||||||||
| Spectral type | DA | DA | DA | DA | DA | ||||||||
| Effective temperature | [K] | 8715.0 (48) | 8766.0 (46) | 8715.0 (47) | 8739.0 | 8550.0 | 8688.0 (89) | ||||||
| log(g) | [cgs] | 7.95 (0.01) | 7.96 (0.01) | 7.94 (0.01) | 7.95 | 7.87 | 7.94 (0.02) | ||||||
| Mass | [M☉] | 0.566 (0.008) | 0.57 (0.009) | 0.564 (0.009) | 0.567 | 0.5 | 0.563 (0.01) | ||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 0.8300 | 0.7956 | 0.7868 | |||||||||
| 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] | 14.81 (0.06) | 14.78 (0.09) | 14.78 (0.09) | 14.81 | 14.81 (0.06) | 14.78 (0.09) | ||||||
| Distance | [pc] | 67.52 (0.3) | 67.66 (0.4) | 67.66 (0.4) | 67.52 | 67.52 (0.3) | 67.66 (0.4) | ||||||
| Composition | H | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 155.9477115 (0.07) | 155.8440056 (0.1) | 155.948 (0.07) | 155.8440056 | ||||||||
| Proper motion (declination) | [mas/yr] | 12.69151365 (0.07) | 12.4554398 (0.1) | 12.692 (0.07) | 12.4554398 | ||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | |||||||||||||
| V magnitude | |||||||||||||
| R magnitude | |||||||||||||
| I magnitude | |||||||||||||
| J magnitude | |||||||||||||
| H magnitude | |||||||||||||
| K magnitude | |||||||||||||
| u magnitude | 17.19 (0.009) | 17.20 (0.009) | 17.20 (0.009) | ||||||||||
| g magnitude | 16.74 (0.004) | 16.74 (0.004) | |||||||||||
| r magnitude | 16.68 (0.004) | 16.68 (0.004) | |||||||||||
| i magnitude | 16.84 (0.005) | 16.84 (0.005) | |||||||||||
| z magnitude | 16.91 (0.01) | 16.91 (0.01) | |||||||||||
| G magnitude | 16.70 (0.004) | 16.72 | 16.70 | 16.70 (0.003) | 16.72 | ||||||||
| BP magnitude | 16.79 (0.004) | 16.79 | 16.79 | ||||||||||
| RP magnitude | 16.53 (0.006) | 16.54 | 16.54 | ||||||||||
| Pan g magnitude | 16.77 (0.004) | 16.77 (0.003) | |||||||||||
| Pan r magnitude | 16.78 (0.004) | 16.78 (0.003) | |||||||||||
| Pan i magnitude | 16.86 (0.003) | 16.86 (0.003) | |||||||||||
| Pan z magnitude | 16.98 (0.007) | 16.98 (0.007) | |||||||||||
| Pan y magnitude | 17.05 (0.01) | 17.05 (0.01) | |||||||||||
| E(B-V) | 0.001 | ||||||||||||
* Constant surface field
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