SDSS J012339.94+405241.9

All names: Gaia DR2 372189496366657664, Gaia EDR3 372189496366657664, SDSS J012339.94+405241.9, Gaia DR3 372189496366657664

Parameter	Unit	Gaia EDR3	SDSS DR12	Bedard et al. 2020	MWDD H	Gaia DR2	Stilism	Simbad	Kleinman et al. 2013	Vincent et al. 2023
Right ascension		01 23 39.95 (1)	01 23 39.94			01 23 39.95 (2)		01 23 39.93 (1)	01 23 39.94
Declination		40 52 41.94 (0.6)	40 52 41.90			40 52 41.94 (0.8)		40 52 41.88 (0.6)	40 52 41.88
Spectral type				DA	DAH			DAH	DAH	DA
Effective temperature	[K]			39559.0 (2892)	3789.0				36761.0 (1448)
log(g)	[cgs]			7.50 (0.3)	8.66				7.48 (0.2)
Mass	[M_☉]			0.46 (0.1)	1.011
log(Luminosity)	[L_☉]			-0.06 (0.3)
Cooling age	[Gyr]			0.0017 (0.001)	9.7990
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]	1.26 (1)				1.99 (1)		1.26 (1)
Distance	[pc]	791.18 (627)				502.60 (261)		791.20 (627)
Composition				H	H
Proper motion (right ascension)	[mas/yr]	10.86551768 (1)				8.269690354 (3)		10.866 (1)
Proper motion (declination)	[mas/yr]	3.84151735 (0.8)				4.711864183 (2)		3.842 (0.8)
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			18.64 (0.07)					20.15 (0.04)	20.15 (0.04)
g magnitude			18.91 (0.04)					20.27 (0.02)	20.27 (0.02)
r magnitude			25.58 (3)					20.76 (0.03)	20.76 (0.03)
i magnitude			23.08 (3)					21.10 (0.08)	21.10 (0.08)
z magnitude			20.24 (0.8)						21.37 (0.2)
G magnitude		20.51 (0.1)				20.60		20.51 (0.009)
BP magnitude		20.36 (0.1)				20.55
RP magnitude		20.54 (0.1)				20.68
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V)							0.044

Spectra