WD J1221+1245

All names: Gaia DR3 3908649148233327232, Gaia DR2 3908649148232998400, SDSS J122150.81+124513.3, 1219+130, Gaia EDR3 3908649148233327232, SDSS J1221

Parameter	Unit	Gaia EDR3	Pan-STARRS DR1	Leggett et al. 2018	Gaia DR2	Stilism	Farihi et al. 2012	Vincent et al. 2024
Right ascension		12 21 50.82 (0.2)			12 21 50.82 (0.2)		12 21 50.40	12 21 50.82
Declination		12 45 13.27 (0.1)			12 45 13.27 (0.1)		12 45 00.00	12 45 13.27
Spectral type				DAZ4.2			DAZ	DA
Effective temperature	[K]			12018.0 (686)			12250.0 (20)	12012.0 (565)
log(g)	[cgs]			7.94 (0.2)			8.20 (0.03)	8.09 (0.06)
Mass	[M_☉]			0.573 (0.2)			0.73 (0.02)	0.661 (0.05)
log(Luminosity)	[L_☉]
Cooling age	[Gyr]			0.3450 (0.1)
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)							-7.5

log(C/H)
log(N/H)
log(O/H)
log(Na/H)
log(Mg/H)							<-5.6
log(Al/H)
log(Si/H)
log(P/H)
log(S/H)
log(Sc/H)
log(Ti/H)
log(Cr/H)
log(Mn/H)
log(Fe/H)
log(Ni/H)
Parallax	[mas]	5.12 (0.2)		4.75 (1)	4.78 (0.2)			5.12
Distance	[pc]	195.32 (8)		210.53 (45)	209.38 (11)		180.00 (4)	195.32
Composition							H
Proper motion (right ascension)	[mas/yr]	10.51963919 (0.2)			10.06684183 (0.5)
Proper motion (declination)	[mas/yr]	-3.403562138 (0.2)			-3.046575966 (0.2)
Variability
Magnetic
B_d	[MG]
Infrared excess (disk)							yes
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude							18.43 (0.07)
H magnitude							18.39 (0.1)
K magnitude							18.01 (0.1)
u magnitude							18.54 (0.02)
g magnitude							18.19 (0.02)
r magnitude							18.40 (0.02)
i magnitude							18.56 (0.02)
z magnitude							18.86 (0.05)
G magnitude		18.31 (0.02)			18.33			18.31
BP magnitude		18.31 (0.02)			18.28
RP magnitude		18.33 (0.02)			18.29
Pan g magnitude			18.24 (0.01)
Pan r magnitude			18.40 (0.007)
Pan i magnitude			18.60 (0.007)
Pan z magnitude			18.78 (0.01)
Pan y magnitude			18.86 (0.04)
E(B-V)						0.018

Spectra