EC 20234-3105

All names: Gaia DR2 6796382710486788224, Gaia EDR3 6796382710486788224, Gaia DR3 6796382710486788224, EC20234-3105, GALEX J202632.3-305526, EC 20234-3105

Parameter Unit Gaia EDR3 Geier 2020 Stilism Simbad
Right ascension 20 26 32.42 (0.06) 20 26 32.37 20 26 32.43 (0.06)
Declination -30 55 26.17 (0.05) -30 55 25.28 -30 55 26.17 (0.05)
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] 0.67 (0.07) 0.67 (0.1) 0.67 (0.07)
Distance [pc] 1498.58 (164) 1485.00 (274) 1498.58 (164)
Composition
Proper motion (right ascension) [mas/yr] -6.219 (0.07) -6.312 (0.2) -6.219 (0.07)
Proper motion (declination) [mas/yr] 0.089 (0.06) -0.141 (0.2) 0.089 (0.06)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 16.48
V magnitude 16.63
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 16.72 (0.003) 16.75 (0.002) 16.72 (0.003)
BP magnitude 16.56 (0.007) 16.45 (0.02)
RP magnitude 17.02 (0.008) 17.01 (0.009)
Pan g magnitude
Pan r magnitude 17.03 (0.01)
Pan i magnitude 17.35 (0.003)
Pan z magnitude
Pan y magnitude 17.79 (0.03)
E(B-V) 0.055

* 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.