RMB 83

All names: SDSS J123429.16+131658.6, A3 458, LBQS 1231+1333, PSO J123429.157+131658.693, Gaia DR2 3931877976341931392, SDSS J123429.16+131658.62

Parameter	Unit	MWDD H	Pan-STARRS DR1	Gaia DR2	Kepler et al. 2015	SDSS DR10	Simbad
Right ascension				12 34 29.14 (0.3)		12 34 29.16	12 34 29.16
Declination				13 16 58.54 (0.2)		13 16 58.63	13 16 58.63
Spectral type		DA			DA		DAe
Effective temperature	[K]	17325.0			22100.0 (185)
log(g)	[cgs]	7.89			8.23 (0.03)
Mass	[M_☉]	0.5579999999999999			0.753 (0.02)
log(Luminosity)	[L_☉]
Cooling age	[Gyr]	0.0987
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]			3.27 (0.3)
Distance	[pc]			305.76 (32)
Composition		H
Proper motion (right ascension)	[mas/yr]			-18.4485905771 (0.4)			-14.0
Proper motion (declination)	[mas/yr]			-3.8674595168 (0.3)			0.0
Variability
Magnetic
B_d	[MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude							18.50
R magnitude
I magnitude
J magnitude							18.81
H magnitude							18.60
K magnitude
u magnitude					18.14 (0.03)	18.13 (0.01)	18.13
g magnitude					18.11 (0.02)	18.10 (0.006)	18.10
r magnitude					18.49 (0.02)	18.48 (0.008)	18.48
i magnitude					18.75 (0.02)	18.76 (0.01)	18.76
z magnitude					19.00 (0.04)	19.00 (0.04)	19.00
G magnitude				18.35
BP magnitude				18.23
RP magnitude				18.56
Pan g magnitude			18.16 (0.008)
Pan r magnitude			18.49 (0.009)
Pan i magnitude			18.80 (0.009)
Pan z magnitude			19.08 (0.02)
Pan y magnitude			19.12 (0.02)

Spectra