All names: WISE J221746.25+263912.6, TIC 28148366, GALEXJ22177+2639, WISEA J221746.25+263912.5, UCAC4 584-126242, 2MASS J22174625+2639125, UCAC2 41294907, SDSS J221746.25+263912.5, Gaia DR3 1880197529545177856, Gaia DR2 1880197529545177856, GALEX J221746.3+263913
Parameter | Unit | Geier 2020 | Stilism | Simbad |
---|---|---|---|---|
Right ascension | 22 17 46.33 | 22 17 46.26 (0.01) | ||
Declination | 26 39 13.80 | 26 39 12.48 (0.01) | ||
Spectral type | sdB+F | sdB+F | ||
Effective temperature | [K] | |||
log(g) | [cgs] | |||
Mass | [M☉] | |||
log(Luminosity) | [L☉] | |||
Cooling age | [Gyr] | |||
log(H/He) | ||||
log(C/He) | ||||
log(Ca/He) | ||||
log(Ca/H) | ||||
Parallax | [mas] | 0.98 (0.03) | 0.99 (0.02) | |
Distance | [pc] | 1022.18 (27) | 1006.04 (16) | |
Composition | ||||
Proper motion (right ascension) | [mas/yr] | -0.468 (0.05) | -0.371 (0.02) | |
Proper motion (declination) | [mas/yr] | 2.696 (0.06) | 2.629 (0.02) | |
Variability | ||||
Magnetic | ||||
Bd | [MG] | |||
Infrared excess (disk) | ||||
Binarity | ||||
B magnitude | 13.56 (0.05) | |||
V magnitude | 13.35 (0.03) | |||
R magnitude | 13.42 (0.06) | |||
I magnitude | ||||
J magnitude | 12.78 (0.02) | 12.78 (0.02) | ||
H magnitude | 12.58 (0.02) | 12.58 (0.02) | ||
K magnitude | 12.59 (0.03) | 12.59 (0.03) | ||
u magnitude | 14.70 (0.008) | |||
g magnitude | 13.54 (0.002) | 13.41 (0.06) | ||
r magnitude | 13.56 (0.002) | 13.35 (0.02) | ||
i magnitude | 13.37 (0.06) | |||
z magnitude | 13.78 (0.008) | |||
G magnitude | 13.33 (0.0003) | 13.32 (0.003) | ||
BP magnitude | 13.43 (0.004) | |||
RP magnitude | 13.09 (0.0008) | |||
Pan g magnitude | 13.48 (0.001) | |||
Pan r magnitude | 13.47 | |||
Pan i magnitude | 13.48 | |||
Pan z magnitude | 13.50 (0.002) | |||
Pan y magnitude | 13.51 (0.004) | |||
E(B-V) | 0.060 |
* 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.