Gaia DR2 6902940363766396416
All names: GALEX J204537.1-101003, Gaia DR3 6902940363766396416, Gaia DR2 6902940363766396416, WDJ204537.13-101001.85, Gaia EDR3 6902940363766396416
| 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 45 37.28 (0.2) | 20 45 37.27 | 20 45 37.28 | 20 45 37.13 (0.2) | 20 45 37.27 | |||||
| Declination | -10 10 02.96 (0.08) | -10 10 02.92 | -10 10 02.96 | -10 10 01.85 (0.08) | -10 10 02.92 | |||||
| Spectral type | DC: | DC | ||||||||
| Effective temperature | [K] | 8429.0 | 8151.0 | 7992.0 (228) | ||||||
| log(g) | [cgs] | 8.37 | 8.29 | 8.26 (0.05) | ||||||
| Mass | [M☉] | 0.834 | 0.763 | 0.738 (0.04) | ||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | 1.8090 | 1.7490 | |||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 10.18 (0.2) | 10.06 (0.3) | 10.18 | 10.18 (0.2) | 10.06 (0.3) | ||||
| Distance | [pc] | 98.26 (2) | 99.37 (3) | 98.26 | 98.26 (2) | 99.37 (3) | ||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 136.9558972 (0.2) | 137.3523624 (0.5) | 136.956 (0.2) | 137.3523624 | |||||
| Proper motion (declination) | [mas/yr] | -69.37385657 (0.1) | -68.99483796 (0.3) | -69.374 (0.1) | -68.99483796 | |||||
| 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 | 18.32 (0.02) | 18.34 | 18.32 | 18.32 (0.003) | 18.34 | |||||
| BP magnitude | 18.52 (0.02) | 18.46 | 18.46 | |||||||
| RP magnitude | 18.26 (0.05) | 18.13 | 18.13 | |||||||
| Pan g magnitude | 18.41 (0.007) | |||||||||
| Pan r magnitude | 18.35 (0.006) | |||||||||
| Pan i magnitude | 18.45 (0.005) | |||||||||
| Pan z magnitude | 18.55 (0.01) | |||||||||
| Pan y magnitude | 18.60 (0.03) | |||||||||
| E(B-V) | 0.007 | |||||||||
* Constant surface field
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