Gaia DR2 87712165716505216
All names: WDJ022546.57+211459.75, USNO-A2.0 1050-00663950, Gaia DR2 87712165716505216, 2MASS J02254655+2115002, GALEX J022546.6+211459, Gaia DR3 87712165716505216, TIC 246981758, SDSS J022546.59+211500.0, SDSS J022546.60+211500.2, Gaia EDR3 87712165716505216
| 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 | 02 25 46.64 (0.05) | 02 25 46.63 | 02 25 46.64 | 02 25 46.57 (0.05) | 02 25 46.63 | |||||
| Declination | 21 15 00.47 (0.05) | 21 15 00.45 | 21 15 00.47 | 21 14 59.75 (0.05) | 21 15 00.45 | |||||
| Spectral type | DB | DB | ||||||||
| Effective temperature | [K] | 11085.0 | 11631.0 | 11658.0 (131) | ||||||
| log(g) | [cgs] | 7.96 | 7.94 | 7.96 (0.01) | ||||||
| Mass | [M☉] | 0.577 | 0.551 | 0.562 (0.01) | ||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | 0.4343 | 0.3852 | |||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 14.31 (0.06) | 14.20 (0.08) | 14.31 | 14.31 (0.06) | 14.20 (0.08) | ||||
| Distance | [pc] | 69.87 (0.3) | 70.44 (0.4) | 69.87 | 69.87 (0.3) | 70.44 (0.4) | ||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 56.80006658 (0.07) | 56.59691769 (0.3) | 56.8 (0.07) | 56.59691769 | |||||
| Proper motion (declination) | [mas/yr] | 45.17905324 (0.06) | 45.11727947 (0.1) | 45.179 (0.06) | 45.11727947 | |||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | 15.00 (0.3) | |||||||||
| V magnitude | ||||||||||
| R magnitude | 15.70 (0.3) | |||||||||
| I magnitude | ||||||||||
| J magnitude | 16.15 (0.09) | |||||||||
| H magnitude | 16.01 (0.2) | |||||||||
| K magnitude | ||||||||||
| u magnitude | 15.96 (0.005) | 15.96 (0.005) | ||||||||
| g magnitude | 15.99 (0.004) | 15.98 (0.004) | ||||||||
| r magnitude | 16.14 (0.004) | 16.14 (0.004) | ||||||||
| i magnitude | 16.32 (0.005) | 16.33 (0.005) | ||||||||
| z magnitude | 16.51 (0.008) | 16.51 (0.008) | ||||||||
| G magnitude | 16.02 (0.003) | 16.05 | 16.02 | 16.02 (0.003) | 16.05 | |||||
| BP magnitude | 16.02 (0.003) | 15.99 | 15.99 | |||||||
| RP magnitude | 16.02 (0.003) | 16.02 | 16.02 | |||||||
| Pan g magnitude | 15.98 (0.003) | |||||||||
| Pan r magnitude | 16.15 (0.004) | |||||||||
| Pan i magnitude | 16.34 (0.005) | |||||||||
| Pan z magnitude | 16.53 (0.004) | |||||||||
| Pan y magnitude | 16.66 (0.009) | |||||||||
| E(B-V) | 0.005 | |||||||||
* Constant surface field
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