GALEX J170816.8+274550

All names: SDSSJ170816.81+274550.6, GALEX J170816.8+274550, SDSS J170816.81+274550.6, Gaia DR3 4575026582770616320, Gaia DR2 4575026582770616320

Parameter	Unit	Geier 2020	Stilism	Simbad
Right ascension		17 08 16.81		17 08 16.81 (0.1)
Declination		27 45 50.69		27 45 50.56 (0.2)
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]	0.14 (0.3)		0.15 (0.2)
Distance	[pc]	7293.95 (13923)		6570.30 (7650)
Composition
Proper motion (right ascension)	[mas/yr]	-1.186 (0.4)		-0.719 (0.2)
Proper motion (declination)	[mas/yr]	-0.993 (0.5)		-0.702 (0.2)
Variability
Magnetic
B_d	[MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude		19.11 (0.02)		19.11 (0.02)
g magnitude		18.82 (0.009)		18.82 (0.009)
r magnitude		19.17 (0.01)		19.17 (0.01)
i magnitude		19.42 (0.02)		19.42 (0.02)
z magnitude		19.62 (0.08)		19.62 (0.08)
G magnitude		19.04 (0.003)		19.00 (0.004)
BP magnitude		18.94 (0.02)
RP magnitude		19.07 (0.04)
Pan g magnitude		18.87 (0.005)
Pan r magnitude		19.17 (0.008)
Pan i magnitude		19.44 (0.02)
Pan z magnitude		19.63 (0.01)
Pan y magnitude		19.75 (0.07)
E(B-V)			0.030

Spectra