EC 00539-8141

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

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.