HBQS 0042-2853

All names: HBQS 0042-2853, Gaia DR2 2342106345807477376, USNO-B1.0 0613-00007959, Gaia DR3 2342106345807477376, Gaia EDR3 2342106345807477376, GALEX J004503.2-283729, 2QZ J004503.2-283729

Parameter	Unit	Gaia EDR3	Stilism	Vincent et al. 2024	Simbad
Right ascension		00 45 03.30 (0.2)		00 45 03.30	00 45 03.27 (0.2)
Declination		-28 37 29.88 (0.1)		-28 37 29.88	-28 37 29.51 (0.1)
Spectral type				DB	DB
Effective temperature	[K]			14589.0 (929)
log(g)	[cgs]			7.85 (0.1)
Mass	[M_☉]			0.507 (0.08)
log(Luminosity)	[L_☉]
Cooling age	[Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)

Parallax	[mas]	3.24 (0.2)		3.24	3.24 (0.2)
Distance	[pc]	308.38 (21)		308.38	308.38 (21)
Composition
Proper motion (right ascension)	[mas/yr]	24.78 (0.2)			24.78 (0.2)
Proper motion (declination)	[mas/yr]	-22.87 (0.2)			-22.87 (0.2)
Variability
Magnetic
B_d	[MG]
Infrared excess (disk)
Binarity
B magnitude					18.40
V magnitude
R magnitude					19.40
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude		18.60 (0.003)		18.60	18.60 (0.003)
BP magnitude		18.56 (0.02)
RP magnitude		18.66 (0.03)
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V)			0.006

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