LBQS 1210+0911

All names: SDSS J121235.73+085449.2, LBQS 1210+0911, WD 1210+091, PSO J121235.735+085449.280, Gaia DR2 3905086142148075520, SDSS J121235.73+085449.25

Parameter	Unit	MWDD H	Pan-STARRS DR1	Gaia DR2	Kepler et al. 2015	SDSS DR10	Simbad
Right ascension				12 12 35.73 (0.2)		12 12 35.72	12 12 35.72
Declination				08 54 49.14 (0.1)		08 54 49.58	08 54 49.58
Spectral type		DA			DA		DA
Effective temperature	[K]	15001.0			17515.0 (125)
log(g)	[cgs]	7.89			8.00 (0.03)
Mass	[M_☉]	0.552			0.617 (0.01)
log(Luminosity)	[L_☉]
Cooling age	[Gyr]	0.1655
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)

log(C/H)
log(N/H)
log(O/H)
log(Na/H)
log(Mg/H)
log(Al/H)
log(Si/H)
log(P/H)
log(S/H)
log(Sc/H)
log(Ti/H)
log(Cr/H)
log(Mn/H)
log(Fe/H)
log(Ni/H)
Parallax	[mas]			3.26 (0.2)
Distance	[pc]			306.31 (21)
Composition		H
Proper motion (right ascension)	[mas/yr]			12.8550610477 (0.5)			15.0
Proper motion (declination)	[mas/yr]			-27.3747346091 (0.2)			-30.0
Variability
Magnetic
B_d	[MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude							18.88
H magnitude							18.80
K magnitude
u magnitude					18.59 (0.02)	18.60 (0.02)	18.59
g magnitude					18.41 (0.02)	18.38 (0.007)	18.38
r magnitude					18.74 (0.02)	18.74 (0.01)	18.74
i magnitude					19.01 (0.02)	19.01 (0.01)	19.01
z magnitude					19.22 (0.05)	19.24 (0.05)	19.23
G magnitude				18.60
BP magnitude				18.51
RP magnitude				18.68
Pan g magnitude			18.45 (0.007)
Pan r magnitude			18.74 (0.01)
Pan i magnitude			19.01 (0.01)
Pan z magnitude			19.25 (0.02)
Pan y magnitude			19.39 (0.04)

Spectra