SDSS J153100.63+250546.2

All names: SDSS J153100.62+250546.1, J1531+2505, SDSS J153100.63+250546.2, SDSS J153100.63+250546.21

Parameter	Unit	Pan-STARRS DR1	SDSS DR10	Coutu et al. 2019	Stilism	Kepler et al. 2015	Simbad
Right ascension			15 31 00.63	15 31 00.63			15 31 00.63
Declination			25 05 46.19	25 05 46.21			25 05 46.19
Spectral type				DZ		DZ	DZ
Effective temperature	[K]			7591.0 (587)		7928.0 (383)
log(g)	[cgs]			8.00		8.00 (0)
Mass	[M_☉]
log(Luminosity)	[L_☉]
Cooling age	[Gyr]			0.0000
log(H/He)				<-4.2158
log(C/He)
log(Ca/He)				-9.7058 (0.6)		-8.971 (0.3)
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]
Distance	[pc]			410.54 (46)
Composition				He		He
Proper motion (right ascension)	[mas/yr]
Proper motion (declination)	[mas/yr]
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			21.70 (0.2)			21.84 (0.1)	21.84 (0.1)
g magnitude			21.31 (0.04)			21.45 (0.05)	21.31 (0.04)
r magnitude			21.23 (0.06)			21.39 (0.06)	21.23 (0.06)
i magnitude			21.15 (0.07)			21.31 (0.07)	21.16 (0.07)
z magnitude			21.51 (0.4)			21.65 (0.3)	21.65 (0.3)
G magnitude
BP magnitude
RP magnitude
Pan g magnitude		21.43 (0.03)
Pan r magnitude		21.23 (0.03)
Pan i magnitude		21.38 (0.05)
Pan z magnitude		21.51 (0.2)
Pan y magnitude
E(B-V)					0.044

Spectra