EC 20559-3552

All names: EC20559-3552, GALEX J205907.8-354104, EC 20559-3552, Gaia DR3 6778670265357654656, Gaia EDR3 6778670265357654656, Gaia DR2 6778670265357654656

Parameter	Unit	Gaia EDR3	Geier 2020	Stilism	Simbad
Right ascension		20 59 07.84 (0.05)	20 59 07.80		20 59 07.81 (0.05)
Declination		-35 41 05.77 (0.04)	-35 41 04.74		-35 41 05.28 (0.04)
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]	0.38 (0.07)	0.42 (0.09)		0.38 (0.07)
Distance	[pc]	2607.56 (456)	2368.55 (526)		2607.56 (456)
Composition
Proper motion (right ascension)	[mas/yr]	22.546 (0.06)	22.497 (0.1)		22.546 (0.06)
Proper motion (declination)	[mas/yr]	-30.528 (0.06)	-30.385 (0.1)		-30.528 (0.06)
Variability
Magnetic
B_d	[MG]
Infrared excess (disk)
Binarity
B magnitude					15.96
V magnitude					16.23
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude		16.16 (0.003)	16.18 (0.002)		16.16 (0.003)
BP magnitude		16.02 (0.004)	15.95 (0.009)
RP magnitude		16.44 (0.006)	16.43 (0.005)
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V)				0.043

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