Gaia DR2 4280911659044487040
All names: WDJ185759.98+034302.88, NLTT 47239, LP 571-92, LSPM J1857+0343, Gaia EDR3 4280911659044487040, Gaia DR2 4280911659044487040, Gaia DR3 4280911659044487040, USNO-B1.0 0937-00408902
| 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 57 59.89 (0.1) | 18 57 59.90 | 18 57 59.89 | 18 57 59.98 (0.1) | 18 57 59.90 | |||||
| Declination | 03 42 58.83 (0.1) | 03 42 58.96 | 03 42 58.83 | 03 43 02.89 (0.1) | 03 42 58.96 | |||||
| Spectral type | DC: | DC | ||||||||
| Effective temperature | [K] | 5517.0 | 5245.0 | 5577.0 (104) | ||||||
| log(g) | [cgs] | 8.28 | 8.12 | 8.27 (0.04) | ||||||
| Mass | [M☉] | 0.766 | 0.644 | 0.76 (0.04) | ||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | 5.7630 | 5.7100 | |||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 20.90 (0.2) | 20.98 (0.2) | 20.90 | 20.90 (0.2) | 20.98 (0.2) | ||||
| Distance | [pc] | 47.84 (0.4) | 47.67 (0.6) | 47.84 | 47.84 (0.4) | 47.67 (0.6) | ||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -79.22822758 (0.2) | -79.74887396 (0.3) | -79.228 (0.2) | -79.74887396 | |||||
| Proper motion (declination) | [mas/yr] | -253.5382695 (0.2) | -253.2364299 (0.3) | -253.538 (0.2) | -253.2364299 | |||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | 18.30 | |||||||||
| V magnitude | ||||||||||
| R magnitude | 16.90 | |||||||||
| I magnitude | ||||||||||
| J magnitude | ||||||||||
| H magnitude | ||||||||||
| K magnitude | ||||||||||
| u magnitude | ||||||||||
| g magnitude | ||||||||||
| r magnitude | ||||||||||
| i magnitude | ||||||||||
| z magnitude | ||||||||||
| G magnitude | 18.14 (0.02) | 18.15 | 18.14 | 18.14 (0.003) | 18.15 | |||||
| BP magnitude | 18.54 (0.02) | 18.52 | 18.52 | |||||||
| RP magnitude | 17.58 (0.02) | 17.56 | 17.56 | |||||||
| Pan g magnitude | 18.65 (0.02) | |||||||||
| Pan r magnitude | 18.12 (0.003) | |||||||||
| Pan i magnitude | 17.93 (0.009) | |||||||||
| Pan z magnitude | 17.93 (0.009) | |||||||||
| Pan y magnitude | 18.00 (0.02) | |||||||||
| E(B-V) | 0.002 | |||||||||
* 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
