Gaia DR2 6886074198993703168
All names: SDSS J204719.21-163819.4, Gaia DR3 6886074198993703168, WDJ204719.21-163818.85, Gaia EDR3 6886074198993703168, SDSS J204719.20-163819.3, Gaia DR2 6886074198993703168, WDJ204719.21-163818.84
| 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 47 19.19 (0.1) | 20 47 19.19 | 20 47 19.19 | 20 47 19.21 (0.1) | 20 47 19.19 | |||||
| Declination | -16 38 20.56 (0.07) | -16 38 20.51 | -16 38 20.56 | -16 38 18.84 (0.07) | -16 38 20.51 | |||||
| Spectral type | DA | DA | ||||||||
| Effective temperature | [K] | 7460.0 | 7181.0 | 7343.0 (119) | ||||||
| log(g) | [cgs] | 8.22 | 8.11 | 8.19 (0.03) | ||||||
| Mass | [M☉] | 0.729 | 0.645 | 0.712 (0.03) | ||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | 1.8560 | 1.7580 | |||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 11.59 (0.1) | 11.51 (0.2) | 11.59 | 11.59 (0.1) | 11.51 (0.2) | ||||
| Distance | [pc] | 86.31 (1) | 86.89 (2) | 86.31 | 86.31 (1) | 86.89 (2) | ||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -19.75819294 (0.1) | -19.60664739 (0.3) | -19.758 (0.1) | -19.60664739 | |||||
| Proper motion (declination) | [mas/yr] | -107.1419344 (0.1) | -106.9920565 (0.2) | -107.142 (0.1) | -106.9920565 | |||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | ||||||||||
| H magnitude | ||||||||||
| K magnitude | ||||||||||
| u magnitude | 18.86 (0.02) | 18.86 (0.02) | ||||||||
| g magnitude | 18.34 (0.007) | 18.34 (0.007) | ||||||||
| r magnitude | 18.24 (0.008) | 18.24 (0.008) | ||||||||
| i magnitude | 18.23 (0.01) | 18.23 (0.01) | ||||||||
| z magnitude | 18.24 (0.03) | 18.24 (0.03) | ||||||||
| G magnitude | 18.20 (0.01) | 18.23 | 18.20 | 18.20 (0.003) | 18.23 | |||||
| BP magnitude | 18.36 (0.01) | 18.38 | 18.38 | |||||||
| RP magnitude | 17.94 (0.01) | 17.91 | 17.91 | |||||||
| Pan g magnitude | 18.36 (0.006) | |||||||||
| Pan r magnitude | 18.24 (0.008) | |||||||||
| Pan i magnitude | 18.24 (0.004) | |||||||||
| Pan z magnitude | 18.32 (0.006) | |||||||||
| Pan y magnitude | 18.36 (0.02) | |||||||||
| E(B-V) | 0.003 | |||||||||
* Constant surface field
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