Gaia DR2 1815614965310875520
All names: Gaia DR2 1815614965310875520, J2030+1857, WDJ203008.73+185735.50, Gaia DR3 1815614965310875520, WDJ20308.73+185735.50, Gaia EDR3 1815614965310875520
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Vincent et al. 2020 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 20 30 08.61 (0.04) | 20 30 08.62 | 20 30 08.61 | 20 30 08.73 (0.04) | 20 30 08.62 | ||||||
| Declination | 18 57 34.73 (0.04) | 18 57 34.75 | 18 57 34.73 | 18 57 35.50 (0.04) | 18 57 34.75 | ||||||
| Spectral type | DZ | D | |||||||||
| Effective temperature | [K] | 10511.0 (61) | 10514.0 | 10751.0 | 9632.0 (86) | ||||||
| log(g) | [cgs] | 8.08 | 8.03 | 7.73 (0.01) | |||||||
| Mass | [M☉] | 0.648 (0.009) | 0.648 | 0.602 | 0.435 (0.009) | ||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 0.5882 | 0.5412 | ||||||||
| log(H/He) | |||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| Parallax | [mas] | 12.12 (0.06) | 12.11 (0.08) | 12.12 | 12.12 (0.06) | 12.11 (0.08) | |||||
| Distance | [pc] | 82.51 (0.4) | 82.54 (0.5) | 82.51 | 82.51 (0.4) | 82.54 (0.5) | |||||
| Composition | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -103.4236374 (0.05) | -103.4708276 (0.1) | -103.424 (0.05) | -103.4708276 | ||||||
| Proper motion (declination) | [mas/yr] | -48.3122907 (0.06) | -48.37079667 (0.1) | -48.312 (0.06) | -48.37079667 | ||||||
| Variability | NOV | ||||||||||
| 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 | 16.68 (0.005) | 16.71 | 16.68 | 16.68 (0.003) | 16.71 | ||||||
| BP magnitude | 16.70 (0.005) | 16.69 | 16.69 | ||||||||
| RP magnitude | 16.64 (0.004) | 16.64 | 16.64 | ||||||||
| Pan g magnitude | 16.68 (0.005) | ||||||||||
| Pan r magnitude | 16.81 (0.002) | ||||||||||
| Pan i magnitude | 16.98 (0.003) | ||||||||||
| Pan z magnitude | 17.13 (0.004) | ||||||||||
| Pan y magnitude | 17.28 (0.006) | ||||||||||
| E(B-V) | 0.007 | ||||||||||
* Constant surface field
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