Gaia DR2 1815431209434186880
All names: J2026+1848, GALEX J202622.8+184846, Gaia DR3 1815431209434186880, Gaia EDR3 1815431209434186880, Gaia DR2 1815431209434186880, WDJ202622.84+184846.62
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Jewett et al. 2024 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 20 26 22.87 (0.06) | 20 26 22.87 | 20 26 22.87 | 20 26 22.84 (0.06) | 20 26 22.87 | ||||||
| Declination | 18 48 46.58 (0.06) | 18 48 46.58 | 18 48 46.58 | 18 48 46.62 (0.06) | 18 48 46.58 | ||||||
| Spectral type | DC | DB | DC | ||||||||
| Effective temperature | [K] | 14190.0 (300) | 14197.0 | 14191.0 | 13344.0 (208) | ||||||
| log(g) | [cgs] | 8.76 | 8.75 | 8.74 | 8.69 (0.02) | ||||||
| Mass | [M☉] | 1.081 (0.009) | 1.076 | 1.057 | 1.025 (0.01) | ||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 0.9100 (0.08) | 0.8520 | 0.8495 | |||||||
| log(H/He) | |||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| log(C/H) | |||||||||||
| log(N/H) | |||||||||||
| log(O/H) | |||||||||||
| log(Na/H) | |||||||||||
| log(Mg/H) | |||||||||||
| log(Al/H) | |||||||||||
| log(Si/H) | |||||||||||
| log(P/H) | |||||||||||
| log(S/H) | |||||||||||
| log(Sc/H) | |||||||||||
| log(Ti/H) | |||||||||||
| log(Cr/H) | |||||||||||
| log(Mn/H) | |||||||||||
| log(Fe/H) | |||||||||||
| log(Ni/H) | |||||||||||
| Parallax | [mas] | 11.20 (0.08) | 11.13 (0.1) | 11.20 | 11.20 (0.08) | 11.13 (0.1) | |||||
| Distance | [pc] | 89.27 (0.6) | 89.88 (0.9) | 89.27 | 89.27 (0.6) | 89.88 (0.9) | |||||
| Composition | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 25.10444656 (0.07) | 25.08930236 (0.2) | 25.104 (0.07) | 25.08930236 | ||||||
| Proper motion (declination) | [mas/yr] | -2.528066797 (0.08) | -2.789260362 (0.2) | -2.528 (0.08) | -2.789260362 | ||||||
| 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 | 17.38 (0.004) | 17.41 | 17.38 | 17.38 (0.003) | 17.41 | ||||||
| BP magnitude | 17.36 (0.004) | 17.33 | 17.33 | ||||||||
| RP magnitude | 17.48 (0.007) | 17.47 | 17.47 | ||||||||
| Pan g magnitude | 17.29 (0.005) | ||||||||||
| Pan r magnitude | 17.59 (0.005) | ||||||||||
| Pan i magnitude | 17.75 (0.008) | ||||||||||
| Pan z magnitude | 18.03 (0.02) | ||||||||||
| Pan y magnitude | 18.16 (0.02) | ||||||||||
| E(B-V) | 0.007 | ||||||||||
* 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
