All names: Gaia DR3 2628689584820864256, Gaia EDR3 2628689584820864256, SDSS J223831.42-015712.56, Gaia DR2 2628689584820864256, SDSS J223831.42-015712.5
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Stilism | Kepler et al. 2016 | Simbad |
---|---|---|---|---|---|---|---|
Right ascension | 22 38 31.42 (0.4) | 22 38 31.42 | 22 38 31.42 (0.4) | ||||
Declination | -01 57 12.63 (0.3) | -01 57 12.55 | -01 57 12.60 (0.3) | ||||
Spectral type | sdA | sdA | |||||
Effective temperature | [K] | 6858.0 (73) | |||||
log(g) | [cgs] | 5.97 (0.3) | |||||
Mass | [M☉] | 0.14674 (0.002) | |||||
log(Luminosity) | [L☉] | ||||||
Cooling age | [Gyr] | ||||||
log(H/He) | |||||||
log(C/He) | |||||||
log(Ca/He) | |||||||
log(Ca/H) | |||||||
Parallax | [mas] | 0.18 (0.4) | 0.18 (0.4) | ||||
Distance | [pc] | 5626.56 (14069) | 5627.46 (14073) | ||||
Composition | |||||||
Proper motion (right ascension) | [mas/yr] | 0.914589758 (0.6) | 0.915 (0.6) | ||||
Proper motion (declination) | [mas/yr] | -2.011587312 (0.5) | -2.012 (0.5) | ||||
Variability | |||||||
Magnetic | |||||||
Bd | [MG] | ||||||
Infrared excess (disk) | |||||||
Binarity | |||||||
B magnitude | |||||||
V magnitude | |||||||
R magnitude | |||||||
I magnitude | |||||||
J magnitude | |||||||
H magnitude | |||||||
K magnitude | |||||||
u magnitude | 20.91 (0.08) | 20.92 (0.08) | 20.92 (0.08) | ||||
g magnitude | 19.72 (0.01) | 19.74 (0.02) | 19.74 (0.02) | ||||
r magnitude | 19.61 (0.02) | 19.61 (0.02) | 19.61 (0.02) | ||||
i magnitude | 19.48 (0.02) | 19.48 (0.02) | 19.48 (0.02) | ||||
z magnitude | 19.62 (0.08) | 19.60 (0.07) | 19.60 (0.07) | ||||
G magnitude | 19.60 (0.09) | 19.60 (0.006) | |||||
BP magnitude | 19.95 (0.09) | ||||||
RP magnitude | 19.19 (0.07) | ||||||
Pan g magnitude | 19.88 (0.02) | ||||||
Pan r magnitude | 19.59 (0.008) | ||||||
Pan i magnitude | 19.52 (0.007) | ||||||
Pan z magnitude | 19.45 (0.01) | ||||||
Pan y magnitude | 19.44 (0.05) | ||||||
E(B-V) | 0.055 |
* Constant surface field
Spectra without link are available upon request
The Montreal White Dwarf Database is produced and maintained by Prof. Patrick Dufour (Université de Montréal) and Dr. Simon Blouin (University of Victoria). Please send database updates, corrections, suggestions or bug reports to patrick.dufour@umontreal.ca.