All names: UCAC4 395-127663, UCAC2 27941256, DENIS J212559.7-110545, GALEXJ21259-1105, WISEA J212559.79-110546.3, Gaia DR2 6892352414684291072, Gaia DR3 6892352414684765952, 2MASS J21255978-1105462, WISE J212559.79-110546.2, GALEX J212559.7-110545, TIC 187267005
Parameter | Unit | Geier 2020 | Stilism | Simbad |
---|---|---|---|---|
Right ascension | 21 25 59.77 | 21 25 59.79 (0.4) | ||
Declination | -11 05 45.33 | -11 05 46.21 (0.3) | ||
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] | 1.91 (0.4) | 1.59 (0.4) | |
Distance | [pc] | 522.77 (106) | 629.49 (164) | |
Composition | ||||
Proper motion (right ascension) | [mas/yr] | 9.824 (0.8) | 11.988 (0.5) | |
Proper motion (declination) | [mas/yr] | -4.482 (0.6) | -4.352 (0.4) | |
Variability | ||||
Magnetic | ||||
Bd | [MG] | |||
Infrared excess (disk) | ||||
Binarity | ||||
B magnitude | ||||
V magnitude | 14.02 (0.02) | |||
R magnitude | 14.03 (0.09) | |||
I magnitude | 13.58 (0.03) | |||
J magnitude | 13.21 (0.03) | 13.21 (0.03) | ||
H magnitude | 12.71 (0.03) | 12.71 (0.03) | ||
K magnitude | 12.63 (0.04) | 12.63 (0.04) | ||
u magnitude | ||||
g magnitude | ||||
r magnitude | 13.98 (0.03) | |||
i magnitude | 13.97 (0.02) | |||
z magnitude | ||||
G magnitude | 13.94 (0.002) | 14.10 (0.006) | ||
BP magnitude | 13.98 (0.006) | |||
RP magnitude | 13.64 (0.002) | |||
Pan g magnitude | 14.02 (0.002) | |||
Pan r magnitude | 14.00 (0.006) | |||
Pan i magnitude | 14.02 (0.003) | |||
Pan z magnitude | 14.00 (0.003) | |||
Pan y magnitude | 13.99 (0.003) | |||
E(B-V) | 0.034 |
* 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.