Gaia DR2 2220815923910913920
All names: Gaia EDR3 2220815923910913920, J2122+6600, UCAC4 781-036998, 2MASS J21223184+6600434, WDJ212231.86+660043.69, Gaia DR3 2220815923910913920, WISE J212231.85+660042.9, Gaia DR2 2220815923910913920
| 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 | 21 22 31.89 (0.03) | 21 22 31.89 | 21 22 31.89 | 21 22 31.86 (0.03) | 21 22 31.89 | ||||||
| Declination | 66 00 42.59 (0.03) | 66 00 42.62 | 66 00 42.59 | 66 00 43.69 (0.03) | 66 00 42.62 | ||||||
| Spectral type | DB | D | |||||||||
| Effective temperature | [K] | 10613.0 (55) | 10613.0 | 10789.0 | 11069.0 (84) | ||||||
| log(g) | [cgs] | 8.17 | 8.12 | 8.15 (0.009) | |||||||
| Mass | [M☉] | 0.708 (0.006) | 0.708 | 0.658 | 0.674 (0.008) | ||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 0.6651 | 0.6147 | ||||||||
| log(H/He) | |||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| Parallax | [mas] | 18.53 (0.03) | 18.60 (0.04) | 18.53 | 18.53 (0.03) | 18.60 (0.04) | |||||
| Distance | [pc] | 53.98 (0.09) | 53.76 (0.1) | 53.98 | 53.98 (0.09) | 53.76 (0.1) | |||||
| Composition | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 14.06702894 (0.03) | 14.02711335 (0.08) | 14.067 (0.03) | 14.02711335 | ||||||
| Proper motion (declination) | [mas/yr] | -68.79560008 (0.04) | -68.75909049 (0.08) | -68.796 (0.04) | -68.75909049 | ||||||
| Variability | NOV | ||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | 15.89 (0.06) | ||||||||||
| V magnitude | 15.95 (0.01) | ||||||||||
| R magnitude | 15.86 (0.2) | ||||||||||
| I magnitude | |||||||||||
| J magnitude | 15.81 (0.08) | ||||||||||
| H magnitude | 15.83 (0.2) | ||||||||||
| K magnitude | |||||||||||
| u magnitude | |||||||||||
| g magnitude | 15.95 (0.01) | ||||||||||
| r magnitude | 15.84 (0.01) | ||||||||||
| i magnitude | |||||||||||
| z magnitude | |||||||||||
| G magnitude | 15.86 (0.003) | 15.88 | 15.86 | 15.86 (0.003) | 15.88 | ||||||
| BP magnitude | 15.88 (0.003) | 15.85 | 15.85 | ||||||||
| RP magnitude | 15.83 (0.003) | 15.82 | 15.82 | ||||||||
| Pan g magnitude | 15.88 (0.004) | ||||||||||
| Pan r magnitude | 15.98 (0.003) | ||||||||||
| Pan i magnitude | 16.16 (0.002) | ||||||||||
| Pan z magnitude | 16.33 (0.004) | ||||||||||
| Pan y magnitude | 16.48 (0.006) | ||||||||||
| E(B-V) | 0.004 | ||||||||||
* Constant surface field
Special notes:
Spectra
Controls
Normalize at:
Normalize by mean flux
Range:
x:
to
y:
to
Spectra available:
Spectra without link are available upon request
Absorption lines
Photometric filters
BVRI
ugriz
Photometric fit
