All names: GALEXJ20144-5239, 2MASS J20142595-5239236, Gaia EDR3 6473704188359246080, EC 20106-5248, TYC 8777-2-1, GALAH 170614004101372, Gaia DR3 6473704188359246080, GALEX J201425.9-523923, TIC 101817287, Gaia DR2 6473704188359246080
Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
---|---|---|---|---|---|
Right ascension | 20 14 25.97 (0.09) | 20 14 25.97 | 20 14 25.95 (0.09) | ||
Declination | -52 39 24.26 (0.08) | -52 39 23.74 | -52 39 23.68 (0.08) | ||
Spectral type | sdB | sdB | |||
Effective temperature | [K] | 24500.0 (1100) | |||
log(g) | [cgs] | 5.25 (0.1) | |||
Mass | [M☉] | ||||
log(Luminosity) | [L☉] | ||||
Cooling age | [Gyr] | ||||
log(H/He) | |||||
log(C/He) | |||||
log(Ca/He) | |||||
log(Ca/H) | |||||
Parallax | [mas] | 2.30 (0.1) | 2.52 (0.1) | 2.30 (0.1) | |
Distance | [pc] | 435.71 (26) | 396.56 (15) | 435.71 (26) | |
Composition | |||||
Proper motion (right ascension) | [mas/yr] | 11.773 (0.1) | 11.313 (0.1) | 11.773 (0.1) | |
Proper motion (declination) | [mas/yr] | -36.553 (0.1) | -38.939 (0.1) | -36.553 (0.1) | |
Variability | |||||
Magnetic | |||||
Bd | [MG] | ||||
Infrared excess (disk) | |||||
Binarity | |||||
B magnitude | 12.09 (0.1) | ||||
V magnitude | 12.30 (0.2) | ||||
R magnitude | |||||
I magnitude | |||||
J magnitude | 13.08 (0.03) | 13.08 (0.03) | |||
H magnitude | 13.20 (0.02) | 13.20 (0.02) | |||
K magnitude | 13.31 (0.03) | 13.31 (0.03) | |||
u magnitude | |||||
g magnitude | |||||
r magnitude | |||||
i magnitude | |||||
z magnitude | |||||
G magnitude | 12.54 (0.003) | 12.56 (0.0005) | 12.54 (0.003) | ||
BP magnitude | 12.42 (0.003) | 12.37 (0.006) | |||
RP magnitude | 12.79 (0.004) | 12.79 (0.002) | |||
Pan g magnitude | |||||
Pan r magnitude | |||||
Pan i magnitude | |||||
Pan z magnitude | |||||
Pan y magnitude | |||||
E(B-V) | 0.025 |
* 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.