Gaia DR2 6845706900891884928
All names: GALEX J201552.2-283519, WDJ201552.3-283519.78, WDJ201552.30-283519.78, Gaia DR3 6845706900891884928, Gaia EDR3 6845706900891884928, Gaia DR2 6845706900891884928
| 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 15 52.35 (0.2) | 20 15 52.35 | 20 15 52.35 | 20 15 52.30 (0.2) | 20 15 52.35 | |||||
| Declination | -28 35 20.67 (0.1) | -28 35 20.64 | -28 35 20.67 | -28 35 19.79 (0.1) | -28 35 20.64 | |||||
| Spectral type | DC | DA | ||||||||
| Effective temperature | [K] | 7343.0 | 7111.0 | 7187.0 (296) | ||||||
| log(g) | [cgs] | 8.44 | 8.36 | 8.32 (0.06) | ||||||
| Mass | [M☉] | 0.877 | 0.808 | 0.782 (0.06) | ||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | 3.1910 | 3.0770 | |||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 11.02 (0.2) | 11.28 (0.3) | 11.02 | 11.02 (0.2) | 11.28 (0.3) | ||||
| Distance | [pc] | 90.75 (2) | 88.67 (2) | 90.75 | 90.75 (2) | 88.67 (2) | ||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 45.95014235 (0.2) | 45.07805738 (0.4) | 45.95 (0.2) | 45.07805738 | |||||
| Proper motion (declination) | [mas/yr] | -55.14464461 (0.2) | -55.53362998 (0.3) | -55.145 (0.2) | -55.53362998 | |||||
| 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 | 18.65 (0.02) | 18.67 | 18.65 | 18.65 (0.004) | 18.67 | |||||
| BP magnitude | 18.80 (0.02) | 18.84 | 18.84 | |||||||
| RP magnitude | 18.39 (0.04) | 18.35 | 18.35 | |||||||
| Pan g magnitude | 18.79 (0.003) | |||||||||
| Pan r magnitude | 18.73 (0.007) | |||||||||
| Pan i magnitude | 18.74 (0.004) | |||||||||
| Pan z magnitude | 18.73 (0.01) | |||||||||
| Pan y magnitude | 18.63 (0.04) | |||||||||
| E(B-V) | 0.004 | |||||||||
* Constant surface field
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