SDSS J030408.33+382308.8

All names: Gaia DR2 142744234516819840, SDSS J030408.34+382308.9, SDSS J030408.33+382308.8, Gaia DR3 142744234516819840, Gaia EDR3 142744234516819840

Parameter	Unit	Gaia EDR3	Pan-STARRS DR1	SDSS DR12	MWDD H	MWDD HE	Gaia DR2	Stilism	Simbad	Kleinman et al. 2013
Right ascension		03 04 08.34 (0.2)		03 04 08.33			03 04 08.34 (0.5)		03 04 08.34 (0.2)	03 04 08.34
Declination		38 23 08.87 (0.2)		38 23 08.87			38 23 08.87 (0.2)		38 23 08.88 (0.2)	38 23 08.91
Spectral type					DC_HOT	DC_HOT			DC	DC_HOT
Effective temperature	[K]				20443.0	24888.0				100000.0 (794)
log(g)	[cgs]				6.59	6.78				5.00 (0.005)
Mass	[M_☉]				0.189	0.217
log(Luminosity)	[L_☉]
Cooling age	[Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)

Parallax	[mas]	0.65 (0.2)					0.83 (0.5)		0.65 (0.2)
Distance	[pc]	1545.76 (597)					1206.42 (762)		1545.83 (597)
Composition
Proper motion (right ascension)	[mas/yr]	1.23984348 (0.2)					1.246048412 (0.7)		1.24 (0.2)
Proper motion (declination)	[mas/yr]	-0.87468082 (0.2)					-1.352013777 (0.5)		-0.875 (0.2)
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				18.33 (0.02)					18.33 (0.02)	18.32 (0.03)
g magnitude				18.68 (0.008)					18.68 (0.008)	18.70 (0.02)
r magnitude				19.14 (0.01)					19.14 (0.01)	19.16 (0.02)
i magnitude				19.41 (0.02)					19.41 (0.02)	19.45 (0.02)
z magnitude				19.69 (0.1)					19.69 (0.1)	19.72 (0.1)
G magnitude		18.92 (0.02)					18.97		18.92 (0.004)
BP magnitude		18.84 (0.02)					18.74
RP magnitude		19.21 (0.05)					19.26
Pan g magnitude			18.77 (0.007)
Pan r magnitude			19.15 (0.02)
Pan i magnitude			19.49 (0.008)
Pan z magnitude			19.77 (0.03)
Pan y magnitude			19.84 (0.04)
E(B-V)								0.108

Spectra