WD 0306+409

All names: WD 0306+409, SDSS J030956.29+411050.4, Gaia DR3 239211643821576576, Gaia DR2 239211643821576576, Gaia EDR3 239211643819738880

Parameter	Unit	Gaia EDR3	SDSS DR12	Gaia DR2	Stilism	Simbad	White Dwarf Catalog (McCook & Sion 1999)
Right ascension		03 09 56.35 (0.05)	03 09 56.31	03 09 56.34 (0.1)		03 09 56.29 (0.1)	03 09 56.40
Declination		41 10 49.02 (0.05)	41 10 49.18	41 10 50.36 (0.1)		41 10 50.57 (0.1)	41 10 46.56
Spectral type						DA	DA:+M3
Effective temperature	[K]
log(g)	[cgs]
Mass	[M_☉]
log(Luminosity)	[L_☉]
Cooling age	[Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)

Parallax	[mas]	5.29 (0.07)		4.71 (0.2)		4.73 (0.2)
Distance	[pc]	189.04 (3)		212.31 (11)		211.48 (8)
Composition
Proper motion (right ascension)	[mas/yr]	34.3620713 (0.09)		35.68256972 (0.4)		36.178 (0.2)
Proper motion (declination)	[mas/yr]	-13.98491603 (0.08)		-13.35224246 (0.3)		-13.723 (0.2)
Variability
Magnetic
B_d	[MG]
Infrared excess (disk)
Binarity							yes
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude			21.13 (0.08)			19.00 (0.02)	24.56
g magnitude			18.28 (0.007)			18.58 (0.008)	18.37
r magnitude			16.96 (0.005)			18.43 (0.009)	16.99
i magnitude			15.68 (0.005)			18.51 (0.01)	15.84
z magnitude			14.98 (0.006)			22.83 (0.5)	14.96
G magnitude		16.36 (0.01)		18.48		18.49 (0.003)
BP magnitude		17.51 (0.01)
RP magnitude		15.16 (0.003)
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V)					0.048

Spectra