All names: WISE J105725.16-454912.2, Gaia DR3 5387474867209017856, TIC 178345419, GALEX J105725.1-454913, Gaia DR2 5387474867209017856, 2MASS J10572516-4549122, DENIS J105725.1-454912, GALEXJ10574-4549, WISEA J105725.18-454912.4, UCAC2 12201840, UCAC4 221-053903
Parameter | Unit | Geier 2020 | Stilism | Simbad |
---|---|---|---|---|
Right ascension | 10 57 25.16 | 10 57 25.16 (0.02) | ||
Declination | -45 49 13.32 | -45 49 12.32 (0.02) | ||
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] | 0.92 (0.04) | 0.85 (0.03) | |
Distance | [pc] | 1089.80 (51) | 1175.36 (40) | |
Composition | ||||
Proper motion (right ascension) | [mas/yr] | 2.999 (0.07) | 3.085 (0.03) | |
Proper motion (declination) | [mas/yr] | 13.489 (0.07) | 13.525 (0.03) | |
Variability | ||||
Magnetic | ||||
Bd | [MG] | |||
Infrared excess (disk) | ||||
Binarity | ||||
B magnitude | 14.45 (0.03) | |||
V magnitude | 14.57 (0.02) | |||
R magnitude | ||||
I magnitude | 14.79 (0.04) | |||
J magnitude | 15.05 (0.05) | 15.05 (0.05) | ||
H magnitude | 15.18 (0.1) | 15.18 (0.1) | ||
K magnitude | 15.34 (0.2) | 15.34 (0.2) | ||
u magnitude | ||||
g magnitude | 14.42 (0.03) | |||
r magnitude | 14.80 (0.09) | |||
i magnitude | 15.06 (0.1) | |||
z magnitude | ||||
G magnitude | 14.60 (0.0005) | 14.58 (0.003) | ||
BP magnitude | 14.43 (0.005) | |||
RP magnitude | 14.79 (0.002) | |||
Pan g magnitude | ||||
Pan r magnitude | ||||
Pan i magnitude | ||||
Pan z magnitude | ||||
Pan y magnitude | ||||
E(B-V) | 0.081 |
* 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.