GALEX J164215.2+281946

All names: SDSSJ164215.17+281946.0, Gaia DR2 1310665998302851200, Gaia DR3 1310665998302851200, GALEX J164215.2+281946, SDSS J164215.16+281946.1

Parameter	Unit	Geier 2020	Stilism	Simbad
Right ascension		16 42 15.17		16 42 15.17 (0.1)
Declination		28 19 46.00		28 19 46.08 (0.2)
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]	0.47 (0.3)		0.29 (0.2)
Distance	[pc]	2125.40 (1249)		3438.79 (2095)
Composition
Proper motion (right ascension)	[mas/yr]	-3.635 (0.5)		-3.178 (0.2)
Proper motion (declination)	[mas/yr]	-0.454 (0.5)		-0.328 (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		18.67 (0.02)		18.67 (0.02)
g magnitude		18.72 (0.008)		18.72 (0.008)
r magnitude		19.13 (0.01)		19.13 (0.01)
i magnitude		19.52 (0.02)		19.52 (0.02)
z magnitude		19.83 (0.08)		19.82 (0.07)
G magnitude		18.98 (0.003)		18.94 (0.003)
BP magnitude		18.75 (0.03)
RP magnitude		19.11 (0.06)
Pan g magnitude		18.78 (0.007)
Pan r magnitude		19.18 (0.007)
Pan i magnitude		19.50 (0.02)
Pan z magnitude		19.67 (0.01)
Pan y magnitude		19.77 (0.1)
E(B-V)			0.026

Spectra