EC 00539-8141

All names: WISE J005447.49-812525.7, GALEX J005447.1-812525, EC 00539-8141, Gaia DR3 4630260210090900992, Gaia DR2 4630260210090900992, UCAC4 043-000447, TIC 263014094, 2MASS J00544738-8125257, EC00539-8141

Parameter Unit Geier 2020 Stilism Simbad
Right ascension 00 54 46.81 00 54 47.45 (0.02)
Declination -81 25 26.47 -81 25 25.82 (0.02)
Spectral type sdB+F sdB+F
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] 0.57 (0.02) 0.59 (0.02)
Distance [pc] 1764.29 (76) 1707.94 (54)
Composition
Proper motion (right ascension) [mas/yr] 19.873 (0.05) 19.845 (0.02)
Proper motion (declination) [mas/yr] 0.39 (0.04) 0.386 (0.02)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 15.42 (0.03)
V magnitude 15.14 (0.06)
R magnitude 15.23 (0.1)
I magnitude
J magnitude 14.12 (0.02) 14.12 (0.02)
H magnitude 13.79 (0.04) 13.79 (0.04)
K magnitude 13.85 (0.06) 13.85 (0.06)
u magnitude
g magnitude 15.22 (0.02)
r magnitude 15.07 (0.03)
i magnitude 14.99 (0.05)
z magnitude
G magnitude 15.03 (0.0006) 15.01 (0.003)
BP magnitude 15.20 (0.003)
RP magnitude 14.68 (0.002)
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.096

* Constant surface field

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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.