Gaia DR2 547179765520150912
All names: Gaia DR2 547179765520150912, UCAC4 826-004612, Gaia EDR3 547179765520150912, GD 424, WDJ02248.71+750257.55, WDJ022408.71+750257.56, Gaia DR3 547179765520150912, 2MASS J02240874+7502572, SDSS J022408.82+750257.4, SDSS J022408.81+750257.3
| 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 | 02 24 09.00 (0.03) | 02 24 08.99 | 02 24 09.00 | 02 24 08.71 (0.03) | 02 24 08.99 | ||||||
| Declination | 75 02 57.06 (0.03) | 75 02 57.07 | 75 02 57.06 | 75 02 57.56 (0.03) | 75 02 57.07 | ||||||
| Spectral type | DBA | DB | D | ||||||||
| Effective temperature | [K] | 17201.0 (440) | 14221.0 | 15215.0 | 16216.0 (279) | ||||||
| log(g) | [cgs] | 8.30 (0.02) | 8.03 | 8.13 | 8.20 (0.02) | ||||||
| Mass | [M☉] | 0.777 (0.02) | 0.626 | 0.67 | 0.715 (0.02) | ||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 0.2410 | 0.2407 | ||||||||
| log(H/He) | -4.0 | ||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| Parallax | [mas] | 10.89 (0.04) | 10.97 (0.05) | 10.89 | 10.89 (0.04) | 10.97 (0.05) | |||||
| Distance | [pc] | 91.82 (0.3) | 91.18 (0.5) | 91.82 | 91.82 (0.3) | 91.18 (0.5) | |||||
| Composition | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 69.90737979 (0.04) | 70.02053999 (0.08) | 69.907 (0.04) | 70.02053999 | ||||||
| Proper motion (declination) | [mas/yr] | -31.34906332 (0.04) | -31.43286999 (0.09) | -31.349 (0.04) | -31.43286999 | ||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | 16.06 (0.08) | ||||||||||
| V magnitude | 16.23 (0.06) | ||||||||||
| R magnitude | 16.26 | ||||||||||
| I magnitude | |||||||||||
| J magnitude | 16.59 (0.2) | ||||||||||
| H magnitude | |||||||||||
| K magnitude | |||||||||||
| u magnitude | 16.09 (0.006) | 16.09 (0.006) | |||||||||
| g magnitude | 16.07 (0.004) | 16.07 (0.004) | |||||||||
| r magnitude | 16.38 (0.004) | 16.38 (0.004) | |||||||||
| i magnitude | 16.61 (0.005) | 16.61 (0.005) | |||||||||
| z magnitude | 16.89 (0.01) | 16.89 (0.01) | |||||||||
| G magnitude | 16.20 (0.002) | 16.22 | 16.20 | 16.20 (0.003) | 16.22 | ||||||
| BP magnitude | 16.13 (0.002) | 16.09 | 16.09 | ||||||||
| RP magnitude | 16.32 (0.004) | 16.31 | 16.31 | ||||||||
| Pan g magnitude | 16.13 (0.006) | ||||||||||
| Pan r magnitude | 16.37 (0.002) | ||||||||||
| Pan i magnitude | 16.64 (0.003) | ||||||||||
| Pan z magnitude | 16.89 (0.005) | ||||||||||
| Pan y magnitude | 17.04 (0.008) | ||||||||||
| E(B-V) | 0.004 | ||||||||||
* Constant surface field
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