EC 20380-3209

All names: TIC 471015400, EC 20380-3209, Gaia DR3 6792508993583540608, GALEX J204107.0-315858, EC20380-3209, Gaia DR2 6792508993583540608, Gaia EDR3 6792508821784843392, TIC 1992329695

Parameter Unit Gaia EDR3 Geier 2020 Stilism Simbad
Right ascension 20 41 09.10 (0.3) 20 41 06.91 20 41 06.98 (0.05)
Declination -32 00 10.21 (0.2) -31 58 58.12 -31 58 58.25 (0.03)
Spectral type He-sdO sdOHe
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] 1.71 (0.4) 0.01 (0.09) 0.06 (0.07)
Distance [pc] 585.86 (123) 102040.82 (979800) 17605.63 (20488)
Composition
Proper motion (right ascension) [mas/yr] -12.235 (0.4) 2.548 (0.2) 2.641 (0.07)
Proper motion (declination) [mas/yr] -7.123 (0.3) -11.11 (0.1) -11.167 (0.06)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 16.37
V magnitude 16.57
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 19.45 (0.004) 16.59 (0.001) 16.57 (0.003)
BP magnitude 19.42 (0.03) 16.35 (0.009)
RP magnitude 19.56 (0.05) 16.84 (0.006)
Pan g magnitude
Pan r magnitude
Pan i magnitude 17.18 (0.009)
Pan z magnitude
Pan y magnitude
E(B-V) 0.044

* 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.