SDSS J084952.86+471249.5

All names: PSO J084952.789+471248.500, Gaia DR2 6603807092875065728

Parameter	Unit	MWDD HE	Pan-STARRS DR1	Gaia DR2	Koester & Kepler (2015)
Right ascension				08 49 52.76 (0.07)
Declination				47 12 48.29 (0.06)
Spectral type		DB
Effective temperature	[K]	16760.0			17321.0 (40)
log(g)	[cgs]	7.96			8.14 (0.02)
Mass	[M_☉]	0.5710000000000001
log(Luminosity)	[L_☉]
Cooling age	[Gyr]	0.1279
log(H/He)					-5.35 (0)
log(C/He)
log(Ca/He)					-6.07 (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]			6.54 (0.1)
Distance	[pc]			152.88 (2)	138.00
Composition		He
Proper motion (right ascension)	[mas/yr]			-83.8 (0.1)
Proper motion (declination)	[mas/yr]			-83.116 (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				16.89
BP magnitude				16.74
RP magnitude				16.99
Pan g magnitude			16.76 (0.003)
Pan r magnitude			17.03 (0.005)
Pan i magnitude			17.32 (0.003)
Pan z magnitude			17.56 (0.004)
Pan y magnitude			17.72 (0.01)

Spectra