SBSS 1224+569

All names: SDSS J122717.40+563825.6, WD 1224+569, SBSS 1224+569, PSO J122717.404+563825.551, Gaia DR2 1574653689250360576, SDSS J122717.40+563825.69

Parameter	Unit	Pan-STARRS DR1	Gaia DR2	Kepler et al. 2016	SDSS DR12	Simbad
Right ascension			12 27 17.40 (0.2)		12 27 17.42	12 27 17.42
Declination			56 38 25.64 (0.1)		56 38 25.68	56 38 25.66
Spectral type				DA		DA
Effective temperature	[K]			15675.0 (104)
log(g)	[cgs]			8.07 (0.02)
Mass	[M_☉]			0.65 (0.01)
log(Luminosity)	[L_☉]
Cooling age	[Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax	[mas]		3.90 (0.2)
Distance	[pc]		256.71 (11)
Composition
Proper motion (right ascension)	[mas/yr]		-18.7292876 (0.3)			-21.0
Proper motion (declination)	[mas/yr]		-4.0545695863 (0.2)			0.0
Variability
Magnetic
B_d	[MG]
Infrared excess (disk)
Binarity
B magnitude						19.00
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude				18.34 (0.02)	18.40 (0.01)	18.34
g magnitude				18.12 (0.03)	18.14 (0.006)	18.15
r magnitude				18.46 (0.02)	18.47 (0.008)	18.46
i magnitude				18.69 (0.02)	18.72 (0.01)	18.69
z magnitude				18.98 (0.04)	18.99 (0.04)	18.95
G magnitude			18.34
BP magnitude			18.26
RP magnitude			18.45
Pan g magnitude		18.16 (0.01)
Pan r magnitude		18.47 (0.01)
Pan i magnitude		18.74 (0.006)
Pan z magnitude		18.99 (0.02)
Pan y magnitude		19.07 (0.05)

Spectra