All names: TIC 333462861, Gaia DR3 2666296352824216448, GALEX J214708.0-083747, SDSSJ214708.05-083747.8, SDSS J214708.05-083747.8, Gaia DR2 2666296352824216448, 2MASS J21470805-0837477
Parameter | Unit | Geier 2020 | Stilism | Simbad |
---|---|---|---|---|
Right ascension | 21 47 08.05 | 21 47 08.06 (0.2) | ||
Declination | -08 37 47.78 | -08 37 47.79 (0.2) | ||
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] | 0.68 (0.2) | 0.94 (0.2) | |
Distance | [pc] | 1476.67 (494) | 1067.24 (254) | |
Composition | ||||
Proper motion (right ascension) | [mas/yr] | 2.64 (0.4) | 1.734 (0.2) | |
Proper motion (declination) | [mas/yr] | 2.633 (0.4) | 2.931 (0.2) | |
Variability | ||||
Magnetic | ||||
Bd | [MG] | |||
Infrared excess (disk) | ||||
Binarity | ||||
B magnitude | ||||
V magnitude | ||||
R magnitude | ||||
I magnitude | ||||
J magnitude | 14.60 (0.03) | 14.60 (0.03) | ||
H magnitude | 14.23 (0.05) | 14.23 (0.05) | ||
K magnitude | 14.22 (0.07) | 14.22 (0.07) | ||
u magnitude | 15.92 (0.005) | 15.92 (0.005) | ||
g magnitude | 15.40 (0.004) | 15.40 (0.004) | ||
r magnitude | 15.28 (0.004) | 15.28 (0.004) | ||
i magnitude | 15.24 (0.004) | 15.24 (0.004) | ||
z magnitude | 15.26 (0.006) | 15.26 (0.006) | ||
G magnitude | 15.27 (0.001) | 15.27 (0.003) | ||
BP magnitude | 15.40 (0.004) | |||
RP magnitude | 14.94 (0.004) | |||
Pan g magnitude | 15.42 (0.005) | |||
Pan r magnitude | 15.29 (0.004) | |||
Pan i magnitude | 15.28 (0.0009) | |||
Pan z magnitude | 15.30 (0.004) | |||
Pan y magnitude | 15.30 (0.01) | |||
E(B-V) | 0.035 |
* 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.