All names: UCAC2 16950974, GALEX J220548.0-351939, Gaia DR2 6587335519633433472, WISEA J220548.19-351938.8, 2MASS J22054816-3519386, DENIS J220548.1-351938, WISE J220548.19-351938.7, Gaia DR3 6587335519633433472, UCAC4 274-201700, TIC 229051528, GALEXJ22058-3519
Parameter | Unit | Geier 2020 | Stilism | Simbad |
---|---|---|---|---|
Right ascension | 22 05 48.01 | 22 05 48.17 (0.04) | ||
Declination | -35 19 39.33 | -35 19 38.71 (0.03) | ||
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] | 1.25 (0.06) | 1.53 (0.05) | |
Distance | [pc] | 800.83 (39) | 654.62 (19) | |
Composition | ||||
Proper motion (right ascension) | [mas/yr] | 27.23 (0.1) | 26.587 (0.06) | |
Proper motion (declination) | [mas/yr] | -4.791 (0.07) | -5.824 (0.04) | |
Variability | ||||
Magnetic | ||||
Bd | [MG] | |||
Infrared excess (disk) | ||||
Binarity | ||||
B magnitude | 13.25 (0.01) | |||
V magnitude | 13.25 (0.01) | |||
R magnitude | 13.46 (0.06) | |||
I magnitude | 13.13 (0.06) | |||
J magnitude | 12.96 (0.02) | 12.96 (0.02) | ||
H magnitude | 12.80 (0.03) | 12.80 (0.03) | ||
K magnitude | 12.73 (0.03) | 12.73 (0.03) | ||
u magnitude | ||||
g magnitude | 13.16 (0.01) | |||
r magnitude | 13.33 (0.01) | |||
i magnitude | 13.48 (0.01) | |||
z magnitude | ||||
G magnitude | 13.19 (0.0008) | 13.18 (0.003) | ||
BP magnitude | 13.12 (0.01) | |||
RP magnitude | 13.15 (0.004) | |||
Pan g magnitude | ||||
Pan r magnitude | ||||
Pan i magnitude | ||||
Pan z magnitude | ||||
Pan y magnitude | ||||
E(B-V) | 0.013 |
* 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.