SDSS J100421.77+212755.3

All names: SDSS J100421.77+212755.30, Gaia EDR3 629520228524057472, SDSS J100421.77+212755.3, SDSS J100421.76+212755.2, Gaia DR3 629520228524057472

Parameter	Unit	Gaia EDR3	Pan-STARRS DR1	SDSS DR10	Stilism	Kepler et al. 2015	Simbad
Right ascension		10 04 21.71 (1)		10 04 21.76			10 04 21.79 (1)
Declination		21 27 55.06 (2)		21 27 55.29			21 27 55.32 (2)
Spectral type						DA	DA
Effective temperature	[K]					7509.0 (195)
log(g)	[cgs]					8.50 (0.3)
Mass	[M_☉]					0.902 (0.2)
log(Luminosity)	[L_☉]
Cooling age	[Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)

Parallax	[mas]	2.95 (2)					2.95 (2)
Distance	[pc]	339.40 (247)					339.41 (247)
Composition
Proper motion (right ascension)	[mas/yr]	-73.86862001 (2)					-73.869 (2)
Proper motion (declination)	[mas/yr]	-15.79696714 (2)					-15.797 (2)
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				21.54 (0.1)		21.48 (0.09)	21.48 (0.09)
g magnitude				20.87 (0.03)		20.86 (0.03)	20.87 (0.03)
r magnitude				20.80 (0.03)		20.78 (0.04)	20.80 (0.03)
i magnitude				20.77 (0.04)		20.75 (0.05)	20.77 (0.04)
z magnitude				20.65 (0.2)		20.60 (0.2)	20.60 (0.2)
G magnitude		20.76 (0.2)					20.76 (0.02)
BP magnitude		21.04 (0.2)
RP magnitude		19.83 (0.2)
Pan g magnitude			20.89 (0.03)
Pan r magnitude			20.71 (0.02)
Pan i magnitude			20.65 (0.05)
Pan z magnitude			20.72 (0.06)
Pan y magnitude
E(B-V)					0.020

Spectra