SDSS J012100.95+384727.3

All names: Gaia DR2 323501472221398400, Gaia DR3 323501472221398400, GALEX J012100.9+384726, SDSS J012100.95+384727.3, Gaia EDR3 323501472221398400

Parameter	Unit	Gaia EDR3	Pan-STARRS DR1	SDSS DR12	MWDD H	Gaia DR2	Simbad	Kleinman et al. 2013
Right ascension		01 21 00.95 (0.6)		01 21 00.95		01 21 00.95 (0.9)	01 21 00.95 (0.6)	01 21 00.95
Declination		38 47 27.29 (0.5)		38 47 27.29		38 47 27.29 (0.7)	38 47 27.30 (0.5)	38 47 27.33
Spectral type					DA		DA	DA
Effective temperature	[K]				17563.0			19890.0 (636)
log(g)	[cgs]				6.79			7.38 (0.1)
Mass	[M_☉]				0.228			0.401 (0.03)
log(Luminosity)	[L_☉]
Cooling age	[Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)

log(C/H)
log(N/H)
log(O/H)
log(Na/H)
log(Mg/H)
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]	-0.27 (0.7)				-0.60 (1)
Distance	[pc]
Composition					H
Proper motion (right ascension)	[mas/yr]	-1.975823251 (0.6)				-2.879257423 (2)	-1.976 (0.6)
Proper motion (declination)	[mas/yr]	-0.871235204 (0.6)				-1.637472079 (2)	-0.871 (0.6)
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				20.05 (0.04)			20.08 (0.04)	20.08 (0.04)
g magnitude				20.00 (0.02)			20.00 (0.03)	20.00 (0.03)
r magnitude				20.33 (0.02)			20.33 (0.03)	20.33 (0.03)
i magnitude				20.60 (0.05)			20.71 (0.06)	20.71 (0.06)
z magnitude				20.79 (0.2)			20.79 (0.2)	20.79 (0.2)
G magnitude		20.19 (0.08)				20.29	20.19 (0.007)
BP magnitude		20.13 (0.08)				20.12
RP magnitude		20.01 (0.1)				20.28
Pan g magnitude			20.09 (0.02)
Pan r magnitude			20.36 (0.02)
Pan i magnitude			20.67 (0.02)
Pan z magnitude			20.64 (0.1)
Pan y magnitude			21.77 (0.2)
E(B-V)

Spectra