Gaia DR2 4570748524763671168
All names: J1729+2542, GALEX J172942.7+254257, SDSS J172942.75+254257.3, SDSS J172942.74+254257.2, Gaia DR3 4570748524763671168, Gaia EDR3 4570748524763671168, Gaia DR2 4570748524763671168, WDJ172942.75+254257.30, WDJ172942.75+254257.29
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | Kilic et al. 2020 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 17 29 42.78 (0.03) | 17 29 42.78 | 17 29 42.78 | 17 29 42.75 (0.03) | 17 29 42.78 | |||||||
| Declination | 25 42 56.41 (0.04) | 25 42 56.44 | 25 42 56.41 | 25 42 57.30 (0.04) | 25 42 56.44 | |||||||
| Spectral type | DC | DC | DB | DC | ||||||||
| Effective temperature | [K] | 10249.0 (75) | 10249.0 (75) | 10518.0 | 10632.0 | 10431.0 (95) | ||||||
| log(g) | [cgs] | 8.07 (0.01) | 8.07 (0.01) | 8.24 | 8.19 | 8.15 (0.01) | ||||||
| Mass | [M☉] | 0.622 (0.01) | 0.623 (0.01) | 0.752 | 0.698 | 0.675 (0.01) | ||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 0.7601 | 0.7042 | |||||||||
| log(H/He) | -4.6 | -4.6 | ||||||||||
| log(C/He) | ||||||||||||
| log(Ca/He) | ||||||||||||
| log(Ca/H) | ||||||||||||
| Parallax | [mas] | 14.01 (0.05) | 14.03 (0.07) | 14.01 | 14.01 (0.05) | 14.03 (0.07) | ||||||
| Distance | [pc] | 71.40 (0.2) | 71.26 (0.4) | 71.40 | 71.40 (0.2) | 71.26 (0.4) | ||||||
| Composition | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | 24.07118152 (0.04) | 23.93396612 (0.1) | 24.071 (0.04) | 23.93396612 | |||||||
| Proper motion (declination) | [mas/yr] | -55.13387975 (0.05) | -55.20431743 (0.1) | -55.134 (0.05) | -55.20431743 | |||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | ||||||||||||
| V magnitude | ||||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | ||||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | 16.71 (0.006) | 16.71 (0.006) | ||||||||||
| g magnitude | 16.58 (0.004) | 16.58 (0.004) | ||||||||||
| r magnitude | 16.72 (0.005) | 16.72 (0.005) | ||||||||||
| i magnitude | 16.88 (0.005) | 16.88 (0.005) | ||||||||||
| z magnitude | 17.08 (0.01) | 17.08 (0.01) | ||||||||||
| G magnitude | 16.62 (0.004) | 16.65 | 16.62 | 16.62 (0.003) | 16.65 | |||||||
| BP magnitude | 16.65 (0.004) | 16.63 | 16.63 | |||||||||
| RP magnitude | 16.57 (0.006) | 16.58 | 16.58 | |||||||||
| Pan g magnitude | 16.62 (0.005) | |||||||||||
| Pan r magnitude | 16.73 (0.005) | |||||||||||
| Pan i magnitude | 16.90 (0.004) | |||||||||||
| Pan z magnitude | 17.07 (0.004) | |||||||||||
| Pan y magnitude | 17.20 (0.006) | |||||||||||
| E(B-V) | 0.008 | |||||||||||
* Constant surface field
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