Gaia DR2 1971656590373082240

All names: WDJ212254.92+451206.45, Gaia EDR3 1971656590373082240, Gaia DR3 1971656590373082240, Gaia DR2 1971656590373082240

Parameter	Unit	Gaia EDR3	Pan-STARRS DR1	Gaia DR2	Stilism	Vincent et al. 2024	Simbad	Gentile Fusillo et al. 2018
Right ascension		21 22 54.92 (0.2)		21 22 54.92		21 22 54.92	21 22 54.91 (0.2)	21 22 54.92
Declination		45 12 07.33 (0.2)		45 12 07.30		45 12 07.33	45 12 06.45 (0.2)	45 12 07.30
Spectral type						DC:	DC
Effective temperature	[K]					4689.0 (117)
log(g)	[cgs]					7.79 (0.07)
Mass	[M_☉]					0.458 (0.05)
log(Luminosity)	[L_☉]
Cooling age	[Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)

Parallax	[mas]	12.66 (0.2)		12.89 (0.3)		12.66	12.66 (0.2)	12.89 (0.3)
Distance	[pc]	78.99 (1)		77.61 (2)		78.99	79.00 (1)	77.61 (2)
Composition
Proper motion (right ascension)	[mas/yr]	1.794165474 (0.2)		1.703307479 (0.5)			1.794 (0.2)	1.703307479
Proper motion (declination)	[mas/yr]	54.74641011 (0.2)		54.61762989 (0.5)			54.746 (0.2)	54.61762989
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		19.41 (0.04)		19.44		19.41	19.41 (0.004)	19.44
BP magnitude		19.95 (0.04)		19.75				19.75
RP magnitude		18.71 (0.02)		18.74				18.74
Pan g magnitude			20.08 (0.02)
Pan r magnitude			19.37 (0.01)
Pan i magnitude			19.07 (0.009)
Pan z magnitude			18.96 (0.02)
Pan y magnitude			18.81 (0.04)
E(B-V)					0.008

Spectra