Gaia DR2 2098318989863211648
All names: WDJ184933.96+402015.54, SDSS J184933.99+402015.5, GD 384, Gaia EDR3 2098318989863211648, SDSS J184933.98+402015.5, Gaia DR2 2098318989863211648, WDJ184933.95+402015.53, TIC 390131308, Gaia DR3 2098318989863211648, J1849+4020, UCAC4 652-065238, 2MASS J18493395+4020154
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | Kilic et al. 2020 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 18 49 34.07 (0.02) | 18 49 34.07 | 18 49 34.07 | 18 49 33.96 (0.02) | 18 49 34.07 | |||||||
| Declination | 40 20 15.43 (0.02) | 40 20 15.44 | 40 20 15.43 | 40 20 15.54 (0.02) | 40 20 15.44 | |||||||
| Spectral type | DA | DA | DA | DA | ||||||||
| Effective temperature | [K] | 17645.0 (153) | 17647.0 (153) | 16193.0 | 18016.0 | 17192.0 (163) | ||||||
| log(g) | [cgs] | 7.99 (0.007) | 7.98 (0.007) | 7.89 | 8.10 | 7.96 (0.008) | ||||||
| Mass | [M☉] | 0.613 (0.006) | 0.608 (0.006) | 0.553 | 0.652 | 0.594 (0.007) | ||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 0.1262 | 0.1300 | |||||||||
| 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] | 17.30 (0.02) | 17.20 (0.04) | 17.30 | 17.30 (0.02) | 17.20 (0.04) | ||||||
| Distance | [pc] | 57.81 (0.08) | 58.15 (0.1) | 57.81 | 57.81 (0.08) | 58.15 (0.1) | ||||||
| Composition | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 81.26366576 (0.03) | 81.35263659 (0.07) | 81.264 (0.03) | 81.35263659 | |||||||
| Proper motion (declination) | [mas/yr] | -6.523895839 (0.03) | -6.434946545 (0.07) | -6.524 (0.03) | -6.434946545 | |||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | 14.71 (0.01) | |||||||||||
| V magnitude | 14.75 (0.01) | |||||||||||
| R magnitude | 14.96 (0.3) | |||||||||||
| I magnitude | ||||||||||||
| J magnitude | 15.13 (0.04) | |||||||||||
| H magnitude | 15.33 (0.09) | |||||||||||
| K magnitude | 15.25 (0.1) | |||||||||||
| u magnitude | 14.77 (0.004) | 14.77 (0.004) | ||||||||||
| g magnitude | 14.60 (0.003) | 14.60 (0.003) | ||||||||||
| r magnitude | 14.94 (0.003) | 14.94 (0.003) | ||||||||||
| i magnitude | 15.25 (0.003) | 15.25 (0.003) | ||||||||||
| z magnitude | 15.53 (0.006) | 15.53 (0.006) | ||||||||||
| G magnitude | 14.81 (0.001) | 14.83 | 14.81 | 14.81 (0.003) | 14.83 | |||||||
| BP magnitude | 14.75 (0.001) | 14.73 | 14.73 | |||||||||
| RP magnitude | 14.96 (0.001) | 14.96 | 14.96 | |||||||||
| Pan g magnitude | 14.69 (0.002) | |||||||||||
| Pan r magnitude | 14.99 (0.002) | |||||||||||
| Pan i magnitude | 15.28 (0.001) | |||||||||||
| Pan z magnitude | 15.53 (0.007) | |||||||||||
| Pan y magnitude | 15.69 (0.003) | |||||||||||
| E(B-V) | 0.008 | |||||||||||
* Constant surface field
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