SDSS J171726.64+422052.7

All names: GALEX J171726.5+422052, SDSS J171726.63+422052.5, Gaia EDR3 1360126949060070784, SDSS J171726.64+422052.7, SDSS J171726.64+422052.73

Parameter	Unit	Gaia EDR3	SDSS DR10	Stilism	Koester & Kepler 2015	Kepler et al. 2015	Simbad
Right ascension		17 17 26.66 (0.2)	17 17 26.64				17 17 26.64 (37)
Declination		42 20 52.75 (0.3)	42 20 52.50				42 20 52.50 (31)
Spectral type						DB+K	DB
Effective temperature	[K]				13192.0 (137)	13114.0 (11)
log(g)	[cgs]				8.00 (0)	6.95 (0.02)
Mass	[M_☉]
log(Luminosity)	[L_☉]
Cooling age	[Gyr]
log(H/He)					<-5.49
log(C/He)
log(Ca/He)					<-8.73
log(Ca/H)

Parallax	[mas]	2.06 (0.3)
Distance	[pc]	486.06 (60)			377.00
Composition
Proper motion (right ascension)	[mas/yr]	19.97809045 (0.3)
Proper motion (declination)	[mas/yr]	-13.49032351 (0.4)
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			19.18 (0.03)			19.41 (0.06)	19.18 (0.03)
g magnitude			18.94 (0.02)			19.41 (1)	18.94 (0.01)
r magnitude			20.11 (0.06)			20.65 (8)	20.11 (0.06)
i magnitude			18.64 (0.02)			19.25 (3)	18.64 (0.02)
z magnitude			22.83 (1)			22.83 (20)	22.83 (1e+01)
G magnitude		19.51 (0.2)
BP magnitude		18.99 (0.2)
RP magnitude		18.60 (0.2)
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V)				0.028

Spectra