2MASS J16341662+2144588

All names: SDSS J163416.63+214458.7, 2MASS J16341662+2144588, PSO J163416.632+214458.744, Gaia DR2 1297916546800376320

Parameter	Unit	Pan-STARRS DR1	Gaia DR2	SDSS DR12	Simbad	Eisenstein et al. 2006
Right ascension			16 34 16.63 (0.09)	16 34 16.63	16 34 16.62	16 34 16.63
Declination			21 44 58.68 (0.09)	21 44 58.70	21 44 58.88	21 44 58.73
Spectral type					sdO	SDO
Effective temperature	[K]					36026.0 (258)
log(g)	[cgs]					5.61 (0.05)
Mass	[M_☉]
log(Luminosity)	[L_☉]
Cooling age	[Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax	[mas]		1.37 (0.2)
Distance	[pc]		728.98 (80)
Composition
Proper motion (right ascension)	[mas/yr]		1.1384217794 (0.2)		0.0	1.1
Proper motion (declination)	[mas/yr]		-6.1267364746 (0.2)		-3.0	-1.7
Variability
Magnetic
B_d	[MG]
Infrared excess (disk)
Binarity
B magnitude					15.70
V magnitude
R magnitude					16.40
I magnitude
J magnitude					16.66
H magnitude					16.26
K magnitude
u magnitude				16.33 (0.006)	16.30	16.31 (0.02)
g magnitude				16.57 (0.004)	16.57	16.56 (0.01)
r magnitude				16.94 (0.005)	16.94	16.94 (0.01)
i magnitude				17.25 (0.02)	17.16	17.15 (0.01)
z magnitude				17.33 (0.01)	17.35	17.34 (0.02)
G magnitude			16.76
BP magnitude			16.58
RP magnitude			16.83
Pan g magnitude		16.62 (0.002)
Pan r magnitude		16.96 (0.003)
Pan i magnitude		17.18 (0.004)
Pan z magnitude		17.33 (0.006)
Pan y magnitude		17.41 (0.008)

Spectra