WD J0227-444

All names: Gaia DR3 4946495387919123712, WD 0225-446, WD 0227-444, Gaia EDR3 4946495387919123712, Gaia DR2 4946495387919123584, WDJ022729.49-442308.95

Parameter	Unit	Gaia EDR3	Gaia DR2	Stilism	Bergeron et al. 2005	Vincent et al. 2024	Gentile Fusillo et al. 2018	White Dwarf Catalog (McCook & Sion 1999)
Right ascension		02 27 29.84 (0.2)	02 27 29.83 (0.3)			02 27 29.84	02 27 29.83	02 27 28.58
Declination		-44 23 12.75 (0.2)	-44 23 12.63 (0.3)			-44 23 12.75	-44 23 12.63	-44 23 05.28
Spectral type						DA		DC
Effective temperature	[K]				4880.0 (50)	4694.0 (99)
log(g)	[cgs]				8.00 (0)	7.84 (0.06)
Mass	[M_☉]				0.57	0.487 (0.05)
log(Luminosity)	[L_☉]
Cooling age	[Gyr]				6.3000
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]	13.97 (0.2)	13.89 (0.3)			13.97	13.89 (0.3)
Distance	[pc]	71.59 (1)	72.00 (2)		71.00	71.59	72.00 (2)
Composition					He
Proper motion (right ascension)	[mas/yr]	233.6584561 (0.2)	232.83515 (0.7)				232.83515
Proper motion (declination)	[mas/yr]	-237.6379519 (0.2)	-237.6550213 (0.7)				-237.6550213
Variability
Magnetic
B_d	[MG]
Infrared excess (disk)
Binarity
B magnitude					20.64
V magnitude					19.53
R magnitude					18.98
I magnitude					18.41
J magnitude					17.93 (0.04)
H magnitude					17.78 (0.04)
K magnitude					17.59 (0.07)
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude		19.27 (0.04)	19.30			19.27	19.30
BP magnitude		19.85 (0.04)	19.72				19.72
RP magnitude		18.58 (0.02)	18.52				18.52
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V)				0.001

WD J0227-444

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