Gaia DR2 4521918934206152704
All names: Gaia DR2 4521918934206152704, WDJ181819.84+152434.51, WDJ181819.84+152434.50, GALEX J181819.9+152435, Gaia DR3 4521918934206152704, Gaia EDR3 4521918934206152704
| 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 | 18 18 19.98 (0.07) | 18 18 19.98 | 18 18 19.98 | 18 18 19.84 (0.07) | 18 18 19.98 | |||||
| Declination | 15 24 34.68 (0.08) | 15 24 34.67 | 15 24 34.68 | 15 24 34.51 (0.08) | 15 24 34.67 | |||||
| Spectral type | DZ | D | ||||||||
| Effective temperature | [K] | 7614.0 | 7347.0 | 6768.0 (95) | ||||||
| log(g) | [cgs] | 8.65 | 8.57 | 8.48 (0.02) | ||||||
| Mass | [M☉] | 1.009 | 0.946 | 0.884 (0.02) | ||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | 3.5740 | 3.4980 | |||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 14.62 (0.1) | 14.49 (0.2) | 14.62 | 14.62 (0.1) | 14.49 (0.2) | ||||
| Distance | [pc] | 68.38 (0.6) | 68.99 (0.8) | 68.38 | 68.38 (0.6) | 68.99 (0.8) | ||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 129.373235 (0.1) | 129.3403783 (0.3) | 129.373 (0.1) | 129.3403783 | |||||
| Proper motion (declination) | [mas/yr] | 10.74418302 (0.1) | 10.74796981 (0.3) | 10.744 (0.1) | 10.74796981 | |||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | ||||||||||
| H magnitude | ||||||||||
| K magnitude | ||||||||||
| u magnitude | ||||||||||
| g magnitude | ||||||||||
| r magnitude | ||||||||||
| i magnitude | ||||||||||
| z magnitude | ||||||||||
| G magnitude | 18.36 (0.01) | 18.38 | 18.36 | 18.36 (0.003) | 18.38 | |||||
| BP magnitude | 18.54 (0.01) | 18.58 | 18.58 | |||||||
| RP magnitude | 18.15 (0.01) | 18.14 | 18.14 | |||||||
| Pan g magnitude | 18.48 (0.01) | |||||||||
| Pan r magnitude | 18.34 (0.002) | |||||||||
| Pan i magnitude | 18.48 (0.009) | |||||||||
| Pan z magnitude | 18.53 (0.02) | |||||||||
| Pan y magnitude | 18.39 (0.02) | |||||||||
| E(B-V) | 0.005 | |||||||||
* Constant surface field
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