All names: SDSS J205327.66+145623.6, GALEX J205327.6+145623, Gaia DR3 1761966047778080256, SDSSJ205327.66+145623.6, Gaia DR2 1761966047778080256
Parameter | Unit | Geier 2020 | Stilism | Simbad |
---|---|---|---|---|
Right ascension | 20 53 27.67 | 20 53 27.67 (0.04) | ||
Declination | 14 56 23.60 | 14 56 23.64 (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] | 0.07 (0.09) | 0.20 (0.06) | |
Distance | [pc] | 14326.65 (18473) | 5010.02 (1491) | |
Composition | ||||
Proper motion (right ascension) | [mas/yr] | -2.523 (0.1) | -2.408 (0.05) | |
Proper motion (declination) | [mas/yr] | -5.46 (0.2) | -5.231 (0.05) | |
Variability | ||||
Magnetic | ||||
Bd | [MG] | |||
Infrared excess (disk) | ||||
Binarity | ||||
B magnitude | ||||
V magnitude | ||||
R magnitude | ||||
I magnitude | ||||
J magnitude | ||||
H magnitude | ||||
K magnitude | ||||
u magnitude | 16.99 (0.007) | 16.99 (0.007) | ||
g magnitude | 16.52 (0.004) | 16.52 (0.004) | ||
r magnitude | 16.82 (0.004) | 16.82 (0.004) | ||
i magnitude | 17.04 (0.005) | 17.04 (0.005) | ||
z magnitude | 17.19 (0.01) | 17.19 (0.01) | ||
G magnitude | 16.70 (0.0009) | 16.67 (0.003) | ||
BP magnitude | 16.64 (0.007) | |||
RP magnitude | 16.73 (0.005) | |||
Pan g magnitude | 16.59 (0.002) | |||
Pan r magnitude | 16.82 (0.003) | |||
Pan i magnitude | 17.07 (0.003) | |||
Pan z magnitude | 17.23 (0.003) | |||
Pan y magnitude | 17.31 (0.005) | |||
E(B-V) | 0.065 |
* 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.