10200+1950 BAG  32Ca,Cb

Coord 2000	10200+1950		Discov num	BAG  32		Comp	Ca,Cb		Coord arcsec 2000	10 19 36.27 +19 52 12.0
Date first	1981		Date last	2012		Obs	4
Pa first	39		Pa last	24		P.A. Now (θ)	24°
Sep first	0.1		Sep last	0.2		Sep. Now (ρ)	0.2"
Mag pri	9.64		Mag sec			delta mag (ΔM)			Spectral class	M4.5Ve (red)
Pri motion ra	-493		Sec motion ra
Pri motion dec	-040		Sec motion dec
Notes	N O (See Notes, Orbital solution)

This double is physical.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	Algieba	81298	10200+1950	STF1424	AB	1820	2017	849	126	4.7	2.37	3.64	1.27	Y
Show			10200+1950	STF1424	AC	1851	2016	31	288	341.2	2.37	9.64	7.27
Show			10200+1950	STF1424	AD	1904	2016	15	302	371.3	2.37	10.62	8.25
Show			10200+1950	STF1424	BC	1877	1998	9	288	327.4	3.64	9.64	6.00
Show			10200+1950	BAG 32	Ca,Cb	1981	2012	4	24	0.2	9.64			Y	<===
Show			10200+1950	STF1424	CD	1852	2016	30	6	90.7	9.64	10.62	0.98
Show			10200+1950	FYM 38	CE	1998	2012	3	59	148.6	9.64	12.95	3.31
Show			10200+1950	FYM 38	CF	1998	2012	3	238	53.4	9.64	14.10	4.46

Septuple system
6 visible stars in this system

Precise pa	23.8		Precise sep	0.195		Constellation	Leo		SAO	81292
Tycho2	1423-00174-1		ADS	7724		last precise pa	23.8		last precise sep	0.195

Period (P)	26.5y		Periastron (T)	1915y		Semi-major axis (a)	0.1109a
Eccentricity (e)	0.6		Inclination (i)	91.1°		Longitude of periastron (ω)	277.3°
Node (Ω)	126.3°		Note			Grade	9	(1=Definitive, 9=Indet.)
Equinox			Last observation	1942

label rho theta 2000 0.071 124.6 2001 0.062 124.0 2002 0.051 123.2 2003 0.040 122.0 2004 0.027 119.6 2005 0.014 113.0 2006 0.003 46.2 2007 0.013 321.3 2008 0.026 313.7 2009 0.039 311.2 2010 0.051 309.9 2011 0.062 309.1 2012 0.073 308.5 2013 0.082 308.1 2014 0.090 307.7 2015 0.095 307.4 2016 0.098 307.2 2017 0.096 306.9 2018 0.089 306.6 2019 0.073 306.2 2020 0.043 305.4 2021 0.006 134.8 2022 0.050 126.8 2023 0.072 126.1 2024 0.080 125.7 2025 0.080 125.3 2026 0.075 124.8 2027 0.067 124.3 2028 0.057 123.7 2029 0.046 122.7 2030 0.033 121.0 Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
		Measures: green=micrometric, blue=interferometric, purple=photographic

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
10200+1950	BAG 32	Ca,Cb	1983	3	337	0.1	9.64			N	101936.26+195211.9

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