Gaia DR2 4385911549163997184
All names: SDSS J164655.76+030828.6, Gaia DR2 4385911549163997184, GALEX J164655.7+030828, Gaia DR3 4385911549163997184, Gaia EDR3 4385911549163997184, WDJ164655.76+030828.61, J1646+0308, SDSS J164655.75+030828.6
| 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 | 16 46 55.73 (0.06) | 16 46 55.73 | 16 46 55.73 | 16 46 55.76 (0.06) | 16 46 55.73 | |||||||
| Declination | 03 08 28.63 (0.04) | 03 08 28.62 | 03 08 28.63 | 03 08 28.61 (0.04) | 03 08 28.62 | |||||||
| Spectral type | He-DA | DA | DZ: | DA(He) | ||||||||
| Effective temperature | [K] | 10200.0 (61) | 10290.0 (68) | 10519.0 | 10661.0 | 10103.0 (146) | ||||||
| log(g) | [cgs] | 8.02 (0.01) | 8.06 (0.01) | 8.24 | 8.19 | 7.99 (0.02) | ||||||
| Mass | [M☉] | 0.592 (0.01) | 0.617 (0.01) | 0.749 | 0.698 | 0.572 (0.02) | ||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 0.7543 | 0.6984 | |||||||||
| log(H/He) | -4.0 | -4.5 | ||||||||||
| log(C/He) | ||||||||||||
| log(Ca/He) | ||||||||||||
| log(Ca/H) | ||||||||||||
| Parallax | [mas] | 11.02 (0.08) | 11.02 (0.09) | 11.02 | 11.02 (0.08) | 11.02 (0.09) | ||||||
| Distance | [pc] | 90.71 (0.6) | 90.75 (0.8) | 90.71 | 90.71 (0.7) | 90.75 (0.8) | ||||||
| Composition | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | -23.49581106 (0.09) | -23.64719337 (0.2) | -23.496 (0.09) | -23.64719337 | |||||||
| Proper motion (declination) | [mas/yr] | 1.023772581 (0.07) | 0.927173312 (0.1) | 1.024 (0.07) | 0.927173312 | |||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | ||||||||||||
| V magnitude | ||||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | ||||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | 17.21 (0.01) | 17.21 (0.01) | ||||||||||
| g magnitude | 17.09 (0.005) | 17.09 (0.005) | ||||||||||
| r magnitude | 17.27 (0.005) | 17.27 (0.005) | ||||||||||
| i magnitude | 17.41 (0.007) | 17.41 (0.007) | ||||||||||
| z magnitude | 17.56 (0.02) | 17.56 (0.02) | ||||||||||
| G magnitude | 17.14 (0.007) | 17.16 | 17.14 | 17.14 (0.003) | 17.16 | |||||||
| BP magnitude | 17.15 (0.007) | 17.11 | 17.11 | |||||||||
| RP magnitude | 17.10 (0.007) | 17.09 | 17.09 | |||||||||
| Pan g magnitude | 17.13 (0.002) | |||||||||||
| Pan r magnitude | 17.27 (0.004) | |||||||||||
| Pan i magnitude | 17.42 (0.004) | |||||||||||
| Pan z magnitude | 17.58 (0.004) | |||||||||||
| Pan y magnitude | 17.72 (0.007) | |||||||||||
| E(B-V) | 0.006 | |||||||||||
* Constant surface field
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