2MASS J08542239+0136509

All names: SDSS J085422.40+013650.8, 2MASS J08542239+0136509, SDSS J085422.39+013650.9, PSO J085422.403+013650.762, Gaia DR2 577615106369494528

Parameter	Unit	Pan-STARRS DR1	Gaia DR2	SDSS DR12	Simbad	Eisenstein et al. 2006	Eisenstein et al. 2006
Right ascension			08 54 22.40 (0.05)	08 54 22.39	08 54 22.40	08 54 22.40	08 54 22.40
Declination			01 36 50.70 (0.03)	01 36 50.97	01 36 51.01	01 36 50.98	01 36 50.98
Spectral type					sdO	SDO	SDO
Effective temperature	[K]					32770.0 (149)	32453.0 (230)
log(g)	[cgs]					5.00 (0.002)	5.00 (0.002)
Mass	[M_☉]
log(Luminosity)	[L_☉]
Cooling age	[Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax	[mas]		0.38 (0.06)
Distance	[pc]		2598.47 (394)
Composition
Proper motion (right ascension)	[mas/yr]		6.4586019214 (0.1)		1.0	1.0	1.0
Proper motion (declination)	[mas/yr]		-17.8776836375 (0.06)		-16.0	-16.8	-16.8
Variability
Magnetic
B_d	[MG]
Infrared excess (disk)
Binarity
B magnitude					15.70
V magnitude
R magnitude					15.80
I magnitude
J magnitude					15.60
H magnitude					15.32
K magnitude					15.28
u magnitude				15.97 (0.006)	15.98	16.00 (0.02)	16.00 (0.02)
g magnitude				15.96 (0.004)	15.97	15.99 (0.01)	15.99 (0.01)
r magnitude				16.12 (0.005)	16.14	16.16 (0.01)	16.16 (0.01)
i magnitude				16.23 (0.005)	16.24	16.23 (0.02)	16.23 (0.02)
z magnitude				16.33 (0.009)	16.33	16.33 (0.02)	16.33 (0.02)
G magnitude			16.01
BP magnitude			15.99
RP magnitude			15.91
Pan g magnitude		16.00 (0.007)
Pan r magnitude		16.13 (0.002)
Pan i magnitude		16.24 (0.002)
Pan z magnitude		16.34 (0.002)
Pan y magnitude		16.38 (0.002)

Spectra