All names: Gaia DR3 6792090079653415936, EC 20385-3332, GALEXJ20416-3321, 2MASS J20414057-3321450, TIC 441399312, UCAC4 284-208226, Gaia DR2 6792090079653415936, WISE J204140.56-332144.9, GALEX J204140.5-332144
Parameter | Unit | Geier 2020 | Stilism | Simbad |
---|---|---|---|---|
Right ascension | 20 41 40.52 | 20 41 40.57 (0.02) | ||
Declination | -33 21 44.54 | -33 21 44.98 (0.009) | ||
Spectral type | sdB+MS | sdB+? | ||
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] | 0.89 (0.03) | 0.96 (0.02) | |
Distance | [pc] | 1126.13 (41) | 1044.71 (20) | |
Composition | ||||
Proper motion (right ascension) | [mas/yr] | -2.458 (0.05) | -2.575 (0.02) | |
Proper motion (declination) | [mas/yr] | -7.631 (0.04) | -7.626 (0.01) | |
Variability | ||||
Magnetic | ||||
Bd | [MG] | |||
Infrared excess (disk) | ||||
Binarity | ||||
B magnitude | ||||
V magnitude | 13.50 | |||
R magnitude | 13.46 (0.06) | |||
I magnitude | ||||
J magnitude | 12.65 (0.03) | 12.65 (0.03) | ||
H magnitude | 12.45 (0.02) | 12.45 (0.02) | ||
K magnitude | 12.37 (0.03) | 12.37 (0.03) | ||
u magnitude | ||||
g magnitude | ||||
r magnitude | ||||
i magnitude | ||||
z magnitude | ||||
G magnitude | 13.29 (0.0002) | 13.27 (0.003) | ||
BP magnitude | 13.43 (0.002) | |||
RP magnitude | 12.98 (0.0008) | |||
Pan g magnitude | 13.82 | |||
Pan r magnitude | 13.57 | |||
Pan i magnitude | 13.31 (0.001) | |||
Pan z magnitude | 13.48 | |||
Pan y magnitude | 13.48 | |||
E(B-V) | 0.043 |
* 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.