EC 20263-5312

All names: Gaia DR2 6474056169519221632, Gaia EDR3 6474056169519221632, Gaia DR3 6474056169519221632, GALEX J203003.5-530224, EC 20263-5312, EC20263-5312

Parameter	Unit	Gaia EDR3	Geier 2020	Stilism	Simbad
Right ascension		20 30 03.46 (0.05)	20 30 03.39		20 30 03.45 (0.05)
Declination		-53 02 24.08 (0.04)	-53 02 24.04		-53 02 23.83 (0.04)
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]	0.56 (0.06)	0.58 (0.08)		0.56 (0.06)
Distance	[pc]	1783.17 (193)	1716.44 (248)		1783.17 (193)
Composition
Proper motion (right ascension)	[mas/yr]	3.18 (0.06)	3.104 (0.1)		3.18 (0.06)
Proper motion (declination)	[mas/yr]	-15.39 (0.07)	-15.343 (0.1)		-15.39 (0.07)
Variability
Magnetic
B_d	[MG]
Infrared excess (disk)
Binarity
B magnitude					15.93
V magnitude					16.22
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude		16.17 (0.003)	16.20 (0.002)		16.17 (0.003)
BP magnitude		16.00 (0.004)	15.93 (0.009)
RP magnitude		16.50 (0.007)	16.49 (0.005)
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V)				0.026

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