WD 1554+569
All names: WD 1554+569, GALEX J155514.0+564710, SBSS 1554+569, SDSS J155513.92+564710.7, Gaia DR2 1622509589252168576, Gaia DR3 1622509593546662784, Gaia EDR3 1622509593546662784, SDSS J155513.92+564710.8, SDSS J155513.91+564710.8
| Parameter | Unit | Gaia EDR3 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 15 55 13.93 (0.08) | 15 55 13.93 | 15 55 13.93 (0.08) | 15 55 13.93 | 15 55 13.93 (0.08) | 15 55 14.38 | ||||
| Declination | 56 47 10.81 (0.07) | 56 47 10.79 | 56 47 10.80 (0.09) | 56 47 10.81 | 56 47 10.68 (0.07) | 56 47 07.08 | ||||
| Spectral type | DA | DA | DA | DA | DA | |||||
| Effective temperature | [K] | 29500.0 | 35218.0 (2088) | |||||||
| log(g) | [cgs] | 7.01 | 7.20 (0.07) | |||||||
| Mass | [M☉] | 0.318 | 0.362 (0.03) | |||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | 0.0092 | ||||||||
| 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] | 1.61 (0.07) | 1.59 (0.09) | 1.61 | 1.61 (0.07) | |||||
| Distance | [pc] | 621.89 (29) | 627.52 (35) | 621.89 | 621.89 (29) | |||||
| Composition | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | 1.226430991 (0.1) | 1.003474161 (0.2) | 1.226 (0.1) | ||||||
| Proper motion (declination) | [mas/yr] | 7.838973416 (0.09) | 8.396017927 (0.2) | 7.839 (0.09) | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | 17.00 | |||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | ||||||||||
| H magnitude | ||||||||||
| K magnitude | ||||||||||
| u magnitude | 16.82 (0.007) | 16.82 (0.007) | ||||||||
| g magnitude | 17.01 (0.004) | 17.01 (0.004) | ||||||||
| r magnitude | 17.53 (0.006) | 17.53 (0.006) | ||||||||
| i magnitude | 17.81 (0.007) | 17.81 (0.007) | ||||||||
| z magnitude | 18.07 (0.02) | 18.08 (0.02) | ||||||||
| G magnitude | 17.34 (0.009) | 17.35 | 17.34 | 17.34 (0.003) | ||||||
| BP magnitude | 17.17 (0.009) | 17.12 | ||||||||
| RP magnitude | 17.53 (0.02) | 17.50 | ||||||||
| Pan g magnitude | ||||||||||
| Pan r magnitude | ||||||||||
| Pan i magnitude | ||||||||||
| Pan z magnitude | ||||||||||
| Pan y magnitude | ||||||||||
| E(B-V) | 0.020 | |||||||||
* 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
