Gaia DR2 2305305627200619520
All names: GALEX J204145.9+873114, Gaia EDR3 2305305627200619520, Gaia DR3 2305305627200619520, WDJ204145.83+873113.68, Gaia DR2 2305305627200619520
| 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 | 20 41 44.91 (0.08) | 20 41 44.94 | 20 41 44.91 | 20 41 45.83 (0.08) | 20 41 44.94 | |||||
| Declination | 87 31 15.99 (0.07) | 87 31 15.92 | 87 31 15.99 | 87 31 13.68 (0.07) | 87 31 15.92 | |||||
| Spectral type | DA | DA | ||||||||
| Effective temperature | [K] | 7439.0 | 7173.0 | 7797.0 (111) | ||||||
| log(g) | [cgs] | 8.08 | 7.97 | 8.19 (0.02) | ||||||
| Mass | [M☉] | 0.64 | 0.558 | 0.711 (0.02) | ||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | 1.4400 | 1.4070 | |||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 12.90 (0.08) | 12.85 (0.1) | 12.90 | 12.90 (0.08) | 12.85 (0.1) | ||||
| Distance | [pc] | 77.50 (0.5) | 77.83 (0.6) | 77.50 | 77.50 (0.5) | 77.83 (0.6) | ||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -37.30591455 (0.1) | -37.03979951 (0.2) | -37.306 (0.1) | -37.03979951 | |||||
| Proper motion (declination) | [mas/yr] | 144.5502048 (0.1) | 144.5059827 (0.2) | 144.55 (0.1) | 144.5059827 | |||||
| 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 | 17.77 (0.01) | 17.79 | 17.77 | 17.77 (0.003) | 17.79 | |||||
| BP magnitude | 17.92 (0.01) | 17.92 | 17.92 | |||||||
| RP magnitude | 17.50 (0.01) | 17.49 | 17.49 | |||||||
| Pan g magnitude | 17.92 (0.006) | |||||||||
| Pan r magnitude | 17.81 (0.003) | |||||||||
| Pan i magnitude | 17.81 (0.007) | |||||||||
| Pan z magnitude | 17.87 (0.01) | |||||||||
| Pan y magnitude | 17.92 (0.02) | |||||||||
| E(B-V) | 0.005 | |||||||||
* Constant surface field
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