SDSS J184915.30+182123.7

All names: SDSSJ184915.30+182123.7, SDSS J184915.30+182123.7, Gaia DR3 4512248351478310912, Gaia DR2 4512248351478310912

Parameter	Unit	Geier 2020	Stilism	Simbad
Right ascension		18 49 15.31		18 49 15.31 (0.1)
Declination		18 21 23.72		18 21 23.70 (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]	0.09 (0.3)		0.16 (0.2)
Distance	[pc]	10729.61 (29034)		6093.85 (6695)
Composition
Proper motion (right ascension)	[mas/yr]	-2.269 (0.4)		-2.457 (0.1)
Proper motion (declination)	[mas/yr]	-6.272 (0.5)		-6.479 (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		18.75 (0.02)		18.75 (0.02)
g magnitude		18.55 (0.008)		18.55 (0.008)
r magnitude		18.78 (0.01)		18.78 (0.01)
i magnitude		18.93 (0.01)		18.93 (0.01)
z magnitude		19.19 (0.06)		19.19 (0.05)
G magnitude		18.68 (0.002)		18.65 (0.003)
BP magnitude		18.63 (0.02)
RP magnitude		18.69 (0.03)
Pan g magnitude		18.64 (0.005)
Pan r magnitude		18.79 (0.007)
Pan i magnitude		18.98 (0.008)
Pan z magnitude		19.17 (0.01)
Pan y magnitude		19.29 (0.06)
E(B-V)			0.273

Spectra