Gaia DR2 550172322636826880
All names: Gaia DR2 550172322636826880, WDJ043903.25+750946.95, Gaia DR3 550172322636826880, GALEX J043903.2+750946, WDJ04393.25+750946.94, Gaia EDR3 550172322636826880
| 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 | 04 39 03.33 (0.06) | 04 39 03.32 | 04 39 03.33 | 04 39 03.25 (0.06) | 04 39 03.32 | |||||
| Declination | 75 09 46.69 (0.06) | 75 09 46.70 | 75 09 46.69 | 75 09 46.95 (0.06) | 75 09 46.70 | |||||
| Spectral type | DA | DA | ||||||||
| Effective temperature | [K] | 8404.0 | 8175.0 | 8706.0 (109) | ||||||
| log(g) | [cgs] | 7.92 | 7.83 | 8.00 (0.02) | ||||||
| Mass | [M☉] | 0.551 | 0.482 | 0.595 (0.02) | ||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | 0.8490 | 0.8477 | |||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 10.47 (0.08) | 10.47 (0.1) | 10.47 | 10.47 (0.08) | 10.47 (0.1) | ||||
| Distance | [pc] | 95.50 (0.7) | 95.50 (1) | 95.50 | 95.50 (0.7) | 95.50 (1) | ||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 17.82166727 (0.07) | 17.78469595 (0.1) | 17.822 (0.07) | 17.78469595 | |||||
| Proper motion (declination) | [mas/yr] | -16.44689857 (0.08) | -16.25035504 (0.2) | -16.447 (0.07) | -16.25035504 | |||||
| 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 | 17.54 (0.009) | 17.56 | 17.54 | 17.54 (0.003) | 17.56 | |||||
| BP magnitude | 17.66 (0.009) | 17.66 | 17.66 | |||||||
| RP magnitude | 17.37 (0.008) | 17.37 | 17.37 | |||||||
| Pan g magnitude | 17.65 (0.005) | |||||||||
| Pan r magnitude | 17.61 (0.007) | |||||||||
| Pan i magnitude | 17.68 (0.003) | |||||||||
| Pan z magnitude | 17.79 (0.006) | |||||||||
| Pan y magnitude | 17.86 (0.02) | |||||||||
| E(B-V) | 0.003 | |||||||||
* Constant surface field
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