Gaia DR2 490974032483668352
All names: WDJ031946.40+640854.18, WDJ031946.4+640854.18, Gaia DR3 490974032483668352, Gaia EDR3 490974032483668352, Gaia DR2 490974032483668352
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 03 19 46.89 (0.1) | 03 19 46.88 | 03 19 46.89 | 03 19 46.40 (0.1) | 03 19 46.88 | |||||
| Declination | 64 08 53.58 (0.1) | 64 08 53.60 | 64 08 53.58 | 64 08 54.18 (0.1) | 64 08 53.60 | |||||
| Spectral type | DA | DA | ||||||||
| Effective temperature | [K] | 4522.0 | 4201.0 | 4692.0 (45) | ||||||
| log(g) | [cgs] | 7.89 | 7.62 | 8.02 (0.03) | ||||||
| Mass | [M☉] | 0.513 | 0.367 | 0.591 (0.02) | ||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | 6.3870 | 4.3730 | |||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 20.59 (0.1) | 20.50 (0.2) | 20.59 | 20.59 (0.1) | 20.50 (0.2) | ||||
| Distance | [pc] | 48.56 (0.3) | 48.78 (0.5) | 48.56 | 48.56 (0.3) | 48.78 (0.5) | ||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 200.4533789 (0.09) | 201.1326805 (0.3) | 200.453 (0.09) | 201.1326805 | |||||
| Proper motion (declination) | [mas/yr] | -37.17018494 (0.1) | -37.63782096 (0.3) | -37.17 (0.1) | -37.63782096 | |||||
| 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 | 18.64 (0.02) | 18.67 | 18.64 | 18.64 (0.003) | 18.67 | |||||
| BP magnitude | 19.24 (0.02) | 19.28 | 19.28 | |||||||
| RP magnitude | 17.93 (0.009) | 17.93 | 17.93 | |||||||
| Pan g magnitude | 19.36 (0.006) | |||||||||
| Pan r magnitude | 18.69 (0.009) | |||||||||
| Pan i magnitude | 18.28 (0.008) | |||||||||
| Pan z magnitude | 18.11 (0.004) | |||||||||
| Pan y magnitude | 18.06 (0.01) | |||||||||
| E(B-V) | 0.001 | |||||||||
* Constant surface field
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