Gaia DR2 4256698798129293568
All names: Gaia DR2 4256698798129293568, WDJ183931.38-044818.85, J1839-0448, WDJ183931.38-044818.86, Gaia EDR3 4256698798129293568, Gaia DR3 4256698798129293568
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Jewett et al. 2024 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 18 39 31.40 (0.06) | 18 39 31.40 | 18 39 31.40 | 18 39 31.38 (0.06) | 18 39 31.40 | ||||||
| Declination | -04 48 19.02 (0.06) | -04 48 19.01 | -04 48 19.02 | -04 48 18.86 (0.06) | -04 48 19.01 | ||||||
| Spectral type | DA | DA | DA | ||||||||
| Effective temperature | [K] | 18804.0 (222) | 18804.0 | 21183.0 | 17931.0 (386) | ||||||
| log(g) | [cgs] | 8.55 | 8.55 | 8.74 | 8.48 (0.02) | ||||||
| Mass | [M☉] | 0.963 (0.008) | 0.962 | 1.059 | 0.917 (0.01) | ||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 0.2700 (0.01) | 0.2579 | 0.2657 | |||||||
| 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] | 12.45 (0.08) | 12.45 (0.1) | 12.45 | 12.45 (0.08) | 12.45 (0.1) | |||||
| Distance | [pc] | 80.30 (0.5) | 80.32 (0.7) | 80.30 | 80.30 (0.5) | 80.32 (0.7) | |||||
| Composition | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 12.71757859 (0.08) | 12.61673575 (0.1) | 12.718 (0.08) | 12.61673575 | ||||||
| Proper motion (declination) | [mas/yr] | -9.855647994 (0.06) | -9.893863607 (0.1) | -9.856 (0.06) | -9.893863607 | ||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | |||||||||||
| H magnitude | |||||||||||
| K magnitude | |||||||||||
| u magnitude | |||||||||||
| g magnitude | |||||||||||
| r magnitude | |||||||||||
| i magnitude | |||||||||||
| z magnitude | |||||||||||
| G magnitude | 16.29 (0.002) | 16.30 | 16.29 | 16.29 (0.003) | 16.30 | ||||||
| BP magnitude | 16.21 (0.002) | 16.16 | 16.16 | ||||||||
| RP magnitude | 16.44 (0.005) | 16.40 | 16.40 | ||||||||
| Pan g magnitude | 16.17 (0.003) | ||||||||||
| Pan r magnitude | 16.49 (0.005) | ||||||||||
| Pan i magnitude | 16.79 (0.002) | ||||||||||
| Pan z magnitude | 17.14 (0.01) | ||||||||||
| Pan y magnitude | 17.14 (0.01) | ||||||||||
| E(B-V) | 0.005 | ||||||||||
* Constant surface field
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