EC 20358-2708

All names: Gaia DR2 6799133551141107712, GALEX J203850.2-265747, 2MASS J20385050-2657542, Gaia DR3 6799133551141107712, GALEXJ203850.22-265747.16, EC 20358-2708, Gaia DR1 6799133546842685568, TYC 6916-251-1, TIC 212320065, 1SWASP J203850.49-265754.2

Parameter Unit Geier 2020 Stilism Simbad
Right ascension 20 38 50.51 20 38 50.51 (0.01)
Declination -26 57 54.24 -26 57 54.26 (0.01)
Spectral type sdO+G3.5III sdO+G3.5III
Effective temperature [K] 58450.0 (7920)
log(g) [cgs] 5.04 (0.4)
Mass [M☉]
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 1.24 (0.04) 1.26 (0.02)
Distance [pc] 806.26 (25) 792.39 (11)
Composition
Proper motion (right ascension) [mas/yr] -7.017 (0.06) -6.996 (0.02)
Proper motion (declination) [mas/yr] -12.64 (0.04) -12.694 (0.01)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 12.26 (0.2)
V magnitude 11.85 (0.2)
R magnitude
I magnitude
J magnitude 10.40 (0.02) 10.40 (0.02)
H magnitude 9.94 (0.02) 9.94 (0.02)
K magnitude 9.84 (0.02) 9.84 (0.02)
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 11.64 (0.002) 11.65 (0.003)
BP magnitude 11.93 (0.004)
RP magnitude 11.15 (0.004)
Pan g magnitude 12.13
Pan r magnitude 11.60
Pan i magnitude 11.44
Pan z magnitude 11.38
Pan y magnitude 11.33
E(B-V) 0.049

* 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.