Gaia DR2 4281190419601308672
All names: J1854+0411, Gaia DR2 4281190419601308672, Gaia DR3 4281190419601308672, Gaia EDR3 4281190419601308672, WDJ185450.45+041125.90
| 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 | 18 54 50.45 (0.07) | 18 54 50.45 | 18 54 50.45 | 18 54 50.45 (0.07) | 18 54 50.45 | ||||||
| Declination | 04 11 26.22 (0.07) | 04 11 26.21 | 04 11 26.22 | 04 11 25.90 (0.07) | 04 11 26.21 | ||||||
| Spectral type | DA | DA | |||||||||
| Effective temperature | [K] | 12472.0 (170) | 12472.0 | 12812.0 | 13109.0 (412) | ||||||
| log(g) | [cgs] | 8.47 | 8.45 | 8.50 (0.02) | |||||||
| Mass | [M☉] | 0.904 (0.01) | 0.904 | 0.874 | 0.923 (0.02) | ||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 0.6966 | 0.6467 | ||||||||
| log(H/He) | |||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| Parallax | [mas] | 10.02 (0.08) | 10.14 (0.1) | 10.02 | 10.02 (0.08) | 10.14 (0.1) | |||||
| Distance | [pc] | 99.80 (0.8) | 98.65 (1) | 99.80 | 99.80 (0.8) | 98.65 (1) | |||||
| Composition | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -4.737220425 (0.09) | -4.729936676 (0.2) | -4.737 (0.09) | -4.729936676 | ||||||
| Proper motion (declination) | [mas/yr] | 19.73984475 (0.09) | 19.77467096 (0.2) | 19.74 (0.09) | 19.77467096 | ||||||
| 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 | 17.31 (0.005) | 17.32 | 17.31 | 17.31 (0.003) | 17.32 | ||||||
| BP magnitude | 17.29 (0.005) | 17.27 | 17.27 | ||||||||
| RP magnitude | 17.36 (0.009) | 17.37 | 17.37 | ||||||||
| Pan g magnitude | 17.23 (0.006) | ||||||||||
| Pan r magnitude | 17.43 (0.004) | ||||||||||
| Pan i magnitude | 17.66 (0.005) | ||||||||||
| Pan z magnitude | 17.88 (0.01) | ||||||||||
| Pan y magnitude | 17.99 (0.01) | ||||||||||
| E(B-V) | 0.015 | ||||||||||
* 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
