All names: TIC 2026273484, TIC 471015358, EC 21424-6710, Gaia EDR3 6397332316852305792, EC21424-6710, Gaia DR2 6397332316852305792, Gaia DR3 6397332316852305792
Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
---|---|---|---|---|---|
Right ascension | 21 46 29.92 (0.03) | 21 46 29.91 | 21 46 29.91 (0.03) | ||
Declination | -66 56 46.71 (0.04) | -66 56 46.68 | -66 56 46.56 (0.04) | ||
Spectral type | sdB | 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] | 0.46 (0.05) | 0.46 (0.08) | 0.46 (0.05) | |
Distance | [pc] | 2196.84 (236) | 2158.89 (389) | 2196.84 (236) | |
Composition | |||||
Proper motion (right ascension) | [mas/yr] | 5.091 (0.04) | 5.148 (0.09) | 5.091 (0.04) | |
Proper motion (declination) | [mas/yr] | -8.911 (0.05) | -8.739 (0.1) | -8.911 (0.05) | |
Variability | |||||
Magnetic | |||||
Bd | [MG] | ||||
Infrared excess (disk) | |||||
Binarity | |||||
B magnitude | 16.21 | ||||
V magnitude | 16.44 | ||||
R magnitude | |||||
I magnitude | |||||
J magnitude | |||||
H magnitude | |||||
K magnitude | |||||
u magnitude | |||||
g magnitude | |||||
r magnitude | |||||
i magnitude | |||||
z magnitude | |||||
G magnitude | 16.44 (0.003) | 16.47 (0.002) | 16.44 (0.003) | ||
BP magnitude | 16.30 (0.004) | 16.25 (0.009) | |||
RP magnitude | 16.73 (0.007) | 16.72 (0.007) | |||
Pan g magnitude | |||||
Pan r magnitude | |||||
Pan i magnitude | |||||
Pan z magnitude | |||||
Pan y magnitude | |||||
E(B-V) | 0.022 |
* 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.