EC 20065-4438

All names: EC 20065-4438, Gaia DR3 6673471844669986048, Gaia EDR3 6673471806015270144, EC20065-4438, TIC 129114265, 2MASS J20100339-4430011, UCAC4 228-195004, Gaia DR2 6673471844669986048, GALEX J201003.3-443000

Parameter Unit Gaia EDR3 Geier 2020 Stilism Simbad
Right ascension 20 09 59.46 (0.6) 20 10 03.37 20 10 03.41 (0.04)
Declination -44 30 56.16 (0.7) -44 30 00.61 -44 30 01.11 (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] 2.51 (0.8) 0.11 (0.07) 0.09 (0.05)
Distance [pc] 398.61 (126) 9460.74 (6167) 11520.74 (6411)
Composition
Proper motion (right ascension) [mas/yr] -3.475 (0.8) 3.617 (0.1) 3.545 (0.04)
Proper motion (declination) [mas/yr] -14.294 (0.8) -4.219 (0.09) -4.399 (0.04)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 16.03
V magnitude 16.14
R magnitude 16.23 (0.2)
I magnitude
J magnitude 16.29 (0.1) 16.29 (0.1)
H magnitude 15.95 (0.1) 15.95 (0.1)
K magnitude 16.71
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 20.50 (0.007) 16.07 (0.001) 16.05 (0.003)
BP magnitude 20.96 (0.2) 16.00 (0.004)
RP magnitude 19.70 (0.08) 16.10 (0.005)
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.028

* 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.