LP 551-21

All names: PSO J105113.670+043516.887, Gaia DR2 3745328275158509696

Parameter	Unit	MWDD HE	Pan-STARRS DR1	Gaia DR2	Koester & Kepler (2015)
Right ascension				10 51 13.70 (0.1)
Declination				04 35 16.25 (0.08)
Spectral type		DB
Effective temperature	[K]	13170.0			14503.0 (27)
log(g)	[cgs]	7.92			8.00 (0)
Mass	[M_☉]	0.539
log(Luminosity)	[L_☉]
Cooling age	[Gyr]	0.2606
log(H/He)					-6.24 (0)
log(C/He)
log(Ca/He)					-8.81 (0)
log(Ca/H)

log(N/He)
log(O/He)
log(Na/He)
log(Mg/He)
log(Al/He)
log(Si/He)
log(P/He)
log(S/He)
log(Cl/He)
log(Sc/He)
log(Ti/He)
log(V/He)
log(Cr/He)
log(Mn/He)
log(Fe/He)
log(Co/He)
log(Ni/He)
log(Cu/He)
log(Zn/He)
log(Ga/He)
log(Ge/He)
log(Sr/He)
Parallax	[mas]			8.89 (0.1)
Distance	[pc]			112.42 (1)	117.00
Composition		He
Proper motion (right ascension)	[mas/yr]			163.448 (0.2)
Proper motion (declination)	[mas/yr]			-138.695 (0.1)
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
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude				16.72
BP magnitude				16.63
RP magnitude				16.76
Pan g magnitude			16.63 (0.004)
Pan r magnitude			16.85 (0.002)
Pan i magnitude			17.08 (0.003)
Pan z magnitude			17.29 (0.006)
Pan y magnitude			17.41 (0.02)

Spectra