Gaia DR2 4394367510839007872
All names: Gaia DR3 4394367510839007872, WDJ172058.47+080853.49, WDJ172058.47+080853.50, Gaia EDR3 4394367510839007872, SDSS J172058.45+080852.9, Gaia DR2 4394367510839007872
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 17 20 58.41 (0.09) | 17 20 58.41 | 17 20 58.41 | 17 20 58.47 (0.09) | 17 20 58.41 | ||||||
| Declination | 08 08 51.87 (0.07) | 08 08 51.93 | 08 08 51.87 | 08 08 53.49 (0.07) | 08 08 51.93 | ||||||
| Spectral type | DC | DQ | D | ||||||||
| Effective temperature | [K] | 7912.0 (68) | 8740.0 | 8481.0 | 7855.0 (100) | ||||||
| log(g) | [cgs] | 8.17 (0.02) | 8.44 | 8.36 | 8.16 (0.02) | ||||||
| Mass | [M☉] | 0.682 (0.01) | 0.879 | 0.811 | 0.679 (0.02) | ||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 1.9260 | 1.7990 | ||||||||
| log(H/He) | -3.8 | ||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| Parallax | [mas] | 12.19 (0.1) | 12.07 (0.2) | 12.19 | 12.19 (0.1) | 12.07 (0.2) | |||||
| Distance | [pc] | 82.01 (0.8) | 82.86 (1) | 82.01 | 82.01 (0.8) | 82.86 (1) | |||||
| Composition | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -58.10673327 (0.1) | -58.06511276 (0.3) | -58.107 (0.1) | -58.06511276 | ||||||
| Proper motion (declination) | [mas/yr] | -101.021009 (0.09) | -101.5330697 (0.3) | -101.021 (0.09) | -101.5330697 | ||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | |||||||||||
| H magnitude | |||||||||||
| K magnitude | |||||||||||
| u magnitude | 18.33 (0.02) | 18.33 (0.02) | |||||||||
| g magnitude | 18.00 (0.006) | 18.00 (0.006) | |||||||||
| r magnitude | 17.98 (0.007) | 17.98 (0.007) | |||||||||
| i magnitude | 18.04 (0.008) | 18.04 (0.008) | |||||||||
| z magnitude | 18.20 (0.03) | 18.20 (0.03) | |||||||||
| G magnitude | 17.90 (0.009) | 17.92 | 17.90 | 17.90 (0.003) | 17.92 | ||||||
| BP magnitude | 18.00 (0.009) | 17.97 | 17.97 | ||||||||
| RP magnitude | 17.72 (0.01) | 17.70 | 17.70 | ||||||||
| Pan g magnitude | 17.97 (0.005) | ||||||||||
| Pan r magnitude | 17.98 (0.007) | ||||||||||
| Pan i magnitude | 18.07 (0.006) | ||||||||||
| Pan z magnitude | 18.17 (0.009) | ||||||||||
| Pan y magnitude | 18.23 (0.02) | ||||||||||
| E(B-V) | 0.009 | ||||||||||
* Constant surface field
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