EC 20008-5200

All names: Gaia DR2 6665811169201939840, 2MASS J20043525-5151305, Gaia DR3 6665811169201939840, EC 20008-5200, TIC 101451923, GALEX J200435.3-515130, UCAC4 191-202364, EC20008-5200, Gaia EDR3 6665811169201939840

Parameter Unit Gaia EDR3 Geier 2020 Stilism Simbad
Right ascension 20 04 35.27 (0.04) 20 04 35.27 20 04 35.27 (0.04)
Declination -51 51 30.67 (0.03) -51 51 30.60 -51 51 30.54 (0.03)
Spectral type sdB sdB
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 (0.05) 0.56 (0.07) 0.57 (0.05)
Distance [pc] 1742.77 (158) 1773.68 (214) 1742.77 (158)
Composition
Proper motion (right ascension) [mas/yr] 0.885 (0.05) 0.793 (0.1) 0.885 (0.05)
Proper motion (declination) [mas/yr] -8.466 (0.05) -8.512 (0.09) -8.466 (0.05)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 15.83
V magnitude 16.05
R magnitude 15.89 (0.2)
I magnitude
J magnitude 16.67 (0.1) 16.67 (0.1)
H magnitude 15.66
K magnitude 15.67
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 16.02 (0.003) 16.04 (0.001) 16.02 (0.003)
BP magnitude 15.88 (0.004) 15.82 (0.01)
RP magnitude 16.27 (0.008) 16.27 (0.007)
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.030

* 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.