GALEX J213139.6-005005

All names: SDSS J213139.61-005005.9, Gaia DR2 2686800118674271872, SDSSJ213139.61-005005.9, Gaia DR3 2686800118674271872, GALEX J213139.6-005005

Parameter	Unit	Geier 2020	Stilism	Simbad
Right ascension		21 31 39.61		21 31 39.61 (0.1)
Declination		-00 50 05.96		-00 50 05.90 (0.1)
Spectral type		sdB		sdB
Effective temperature	[K]
log(g)	[cgs]
Mass	[M_☉]
log(Luminosity)	[L_☉]
Cooling age	[Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)

Parallax	[mas]	0.24 (0.2)		0.11 (0.2)
Distance	[pc]	4231.91 (4307)		9380.86 (14758)
Composition
Proper motion (right ascension)	[mas/yr]	0.536 (0.4)		0.402 (0.2)
Proper motion (declination)	[mas/yr]	-1.847 (0.4)		-1.976 (0.1)
Variability
Magnetic
B_d	[MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude				18.43 (0.07)
H magnitude				18.40 (0.2)
K magnitude
u magnitude		18.55 (0.02)		18.55 (0.02)
g magnitude		18.11 (0.006)		18.11 (0.006)
r magnitude		18.44 (0.008)		18.44 (0.008)
i magnitude		18.70 (0.01)		18.70 (0.01)
z magnitude		18.88 (0.04)		18.88 (0.04)
G magnitude		18.34 (0.003)		18.30 (0.003)
BP magnitude		18.24 (0.02)
RP magnitude		18.40 (0.05)
Pan g magnitude		18.19 (0.005)
Pan r magnitude		18.47 (0.004)
Pan i magnitude		18.73 (0.006)
Pan z magnitude		18.90 (0.01)
Pan y magnitude		19.02 (0.02)
E(B-V)			0.034

Spectra