WD 0259+007

All names: WD 0259+007, ULAS J030221.35+005557.0, Gaia DR3 162521562770432, Gaia DR2 162521562770432, Gaia EDR3 162521562770432

Parameter	Unit	Gaia EDR3	Pan-STARRS DR1	MWDD HE	Gaia DR2	Stilism	Simbad	White Dwarf Catalog (McCook & Sion 1999)
Right ascension		03 02 21.38 (0.7)			03 02 21.38 (1)		03 02 21.31 (0.7)	03 02 21.43
Declination		00 55 56.53 (0.7)			00 55 56.55 (1)		00 55 57.21 (0.7)	00 55 57.36
Spectral type				DB			DB	DB8.8
Effective temperature	[K]			5234.0
log(g)	[cgs]			8.12
Mass	[M_☉]			0.642
log(Luminosity)	[L_☉]
Cooling age	[Gyr]			5.7220
log(H/He)
log(C/He)
log(Ca/He)
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]	6.99 (0.8)			7.50 (1)		6.99 (0.8)
Distance	[pc]	143.11 (16)			133.35 (23)		143.11 (16)
Composition				He
Proper motion (right ascension)	[mas/yr]	60.83439156 (1)			63.59549439 (2)		60.834 (1)
Proper motion (declination)	[mas/yr]	-42.25035523 (1)			-38.21794814 (3)		-42.25 (1)
Variability
Magnetic
B_d	[MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude							19.28 (0.2)
H magnitude							19.42 (0.3)
K magnitude
u magnitude							21.66 (0.2)	21.66
g magnitude							20.90 (0.03)	20.90
r magnitude							20.48 (0.03)	20.48
i magnitude							20.27 (0.04)	20.27
z magnitude							20.23 (0.1)	20.23
G magnitude		20.47 (0.2)			20.52		20.47 (0.008)
BP magnitude		20.67 (0.2)			20.72
RP magnitude		19.93 (0.1)			19.82
Pan g magnitude			20.77 (0.03)
Pan r magnitude			20.46 (0.02)
Pan i magnitude			20.29 (0.03)
Pan z magnitude			20.22 (0.03)
Pan y magnitude			20.08 (0.02)
E(B-V)						0.008

Spectra