[L92b] Mark A

All names: Gaia DR3 6902139575705449344, Gaia DR2 6902139575705449344, NAME Mark A, TIC 51528892, [L92b] Mark A, [L92b]MarkA, GSC 05760-01664, NAME Mrk 509C, UCAC2 28113783, 2MASS J20435924-1047417, NAME Mrk A

Parameter	Unit	Geier 2020	Stilism	Simbad
Right ascension		20 43 59.16		20 43 59.23 (0.03)
Declination		-10 47 42.69		-10 47 41.70 (0.02)
Spectral type		sdO		sdO
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]	2.57 (0.06)		2.52 (0.04)
Distance	[pc]	389.44 (9)		396.04 (6)
Composition
Proper motion (right ascension)	[mas/yr]	25.181 (0.1)		25.35 (0.04)
Proper motion (declination)	[mas/yr]	6.408 (0.07)		6.557 (0.03)
Variability
Magnetic
B_d	[MG]
Infrared excess (disk)
Binarity
B magnitude				13.01 (0.0008)
V magnitude				13.26 (0.0008)
R magnitude				13.37 (0.0008)
I magnitude				13.49 (0.003)
J magnitude		13.84 (0.04)		13.84 (0.04)
H magnitude		13.98 (0.05)		13.98 (0.05)
K magnitude		14.10 (0.09)		14.10 (0.09)
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude		13.24 (0.0006)		13.22 (0.003)
BP magnitude		13.02 (0.009)
RP magnitude		13.49 (0.002)
Pan g magnitude		13.33
Pan r magnitude		13.48 (0.001)
Pan i magnitude		13.84 (0.002)
Pan z magnitude		14.12 (0.006)
Pan y magnitude		14.30 (0.003)
E(B-V)			0.036

[L92b] Mark A

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