Gaia DR2 4094555467661923328
All names: WDJ181909.96-193438.00, WDJ18199.96-193438.00, Gaia EDR3 4094555467661923328, Gaia DR3 4094555467661923328, J1819-1934, Gaia DR2 4094555467661923328
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | O'Brien et al. 2024 | Caron et al. 2023 | Tremblay et al. 2020 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 18 19 09.70 (0.1) | 18 19 09.71 | 18 19 09.70 | 18 19 09.96 (0.1) | 18 19 09.71 | ||||||||
| Declination | -19 34 41.79 (0.1) | -19 34 41.67 | -19 34 41.79 | -19 34 38.01 (0.1) | -19 34 41.67 | ||||||||
| Spectral type | DC | DC | DC | DZ: | DC | ||||||||
| Effective temperature | [K] | 4198.0 (137) | 4444.0 (37) | 4500.0 (30) | 4456.0 | 4154.0 | 4448.0 (38) | ||||||
| log(g) | [cgs] | 7.64 (0.1) | 7.79 (0.02) | 7.87 (0.03) | 7.82 | 7.56 | 7.82 (0.03) | ||||||
| Mass | [M☉] | 0.4 (0.05) | 0.459 (0.02) | 0.474 | 0.34 | 0.462 (0.02) | |||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 6.0000 | 5.7920 | 4.0040 | |||||||||
| 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] | 25.33 (0.2) | 25.33 (0.2) | 25.36 (0.3) | 25.36 (0.3) | 25.33 | 25.33 (0.2) | 25.36 (0.3) | |||||
| Distance | [pc] | 39.48 (0.3) | 39.48 (0.3) | 39.43 (0.4) | 39.43 (0.4) | 39.48 | 39.48 (0.3) | 39.43 (0.4) | |||||
| Composition | H | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | -223.6289666 (0.2) | -223.5499721 (0.4) | -223.629 (0.2) | -223.5499721 | ||||||||
| Proper motion (declination) | [mas/yr] | -236.5787337 (0.1) | -236.9926536 (0.3) | -236.579 (0.1) | -236.9926536 | ||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | |||||||||||||
| V magnitude | |||||||||||||
| R magnitude | |||||||||||||
| I magnitude | |||||||||||||
| J magnitude | 16.54 (0.01) | ||||||||||||
| H magnitude | 16.26 (0.02) | ||||||||||||
| K magnitude | |||||||||||||
| u magnitude | |||||||||||||
| g magnitude | |||||||||||||
| r magnitude | |||||||||||||
| i magnitude | |||||||||||||
| z magnitude | |||||||||||||
| G magnitude | 18.18 (0.03) | 18.19 | 18.18 | 18.18 (0.004) | 18.19 | ||||||||
| BP magnitude | 18.75 (0.03) | 18.75 | 18.75 | ||||||||||
| RP magnitude | 17.35 (0.02) | 17.30 | 17.30 | ||||||||||
| Pan g magnitude | 18.97 (0.02) | 18.97 (0.02) | |||||||||||
| Pan r magnitude | 18.12 (0.02) | 18.12 (0.02) | |||||||||||
| Pan i magnitude | 17.82 (0.0005) | 17.82 (0.0005) | |||||||||||
| Pan z magnitude | 17.69 (0.02) | 17.69 (0.02) | |||||||||||
| Pan y magnitude | 17.51 (0.03) | 17.51 (0.03) | |||||||||||
| E(B-V) | 0.001 | ||||||||||||
* Constant surface field
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