EC 20223-3010

All names: TIC 34685590, EC 20223-3010, Gaia DR2 6797247545101493888, GALEX J202528.3-300030, 2MASS J20252835-3000309, EC20223-3010, UCAC4 300-260193, Gaia DR3 6797247545101493888

Parameter Unit Geier 2020 Stilism Simbad
Right ascension 20 25 28.32 20 25 28.35 (0.02)
Declination -30 00 30.02 -30 00 30.91 (0.02)
Spectral type sdB+F3 F3+sd
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] 0.25 (0.04) 0.27 (0.03)
Distance [pc] 4014.45 (579) 3736.92 (351)
Composition
Proper motion (right ascension) [mas/yr] 0.102 (0.06) 0.083 (0.03)
Proper motion (declination) [mas/yr] -14.987 (0.04) -14.993 (0.02)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 15.50
V magnitude 15.04
R magnitude 15.17 (0.2)
I magnitude
J magnitude 13.81 (0.03) 13.81 (0.03)
H magnitude 13.50 (0.04) 13.50 (0.04)
K magnitude 13.44 (0.04) 13.44 (0.04)
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 14.89 (0.0006) 14.87 (0.003)
BP magnitude 15.13 (0.003)
RP magnitude 14.44 (0.002)
Pan g magnitude 15.18 (0.006)
Pan r magnitude 14.92 (0.008)
Pan i magnitude 14.79 (0.001)
Pan z magnitude 14.75 (0.006)
Pan y magnitude 14.74 (0.008)
E(B-V) 0.058

* 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.