14565-3438 I 227 AB

Coord 2000	14565-3438		Discov num	I   227		Comp	AB		Coord arcsec 2000	14 56 30.78 -34 37 54.2
Date first	1897		Date last	2021		Obs	44
Pa first	110		Pa last	93.1		P.A. Now (θ)	91.2°
Sep first	0.9		Sep last	0.441		Sep. Now (ρ)	0.417"
Mag pri	8.06		Mag sec	8.39		delta mag (ΔM)	0.33		Spectral class	F8V (yellow-white)
Pri motion ra	-090		Sec motion ra
Pri motion dec	-033		Sec motion dec
Notes	N O (See Notes, Orbital solution)

This double is physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		206111	14 56 31 -34 37 54	I 227 AB	2021	44	93	0.4	8.06	8.39	0.33	Y	<===
Show		206111	14 56 31 -34 37 54	B 2778 AB,C	2016	6	92	11.8	7.40	14.00	6.60
Show	HD 131751	206111	14 56 31 -34 37 54	SEE 215 AB,D	2016	9	31	58.1	7.40	9.86	2.46

Quadruple system
5 estimated visually detectable stars in this system

Constellation	Centaurus		SAO	206111		HIP	73108		Tycho2	7306-02618-1
HD	131751		GC	20083		CD	CD-3410047		Distance	61.05
Distance ly	199.15

Period (P)	40.87y	± 0.53	Periastron (T)	2038.14y	± 1.56	Semi-major axis (a)	0.253a	± 0.003
Eccentricity (e)	0.9	± 0.005	Inclination (i)	133.8°	± 5	Longitude of periastron (ω)	209.6°	± 15
Node (Ω)	117.4°	± 10	Notes	n		Reference	Doc2021d
Equinox			Last observation	2019		Grade	3	(1=Definitive, 9=Indet.)

label theta rho 2000 120.6 0.188 2001 116.6 0.230 2002 113.9 0.265 2003 111.7 0.295 2004 109.9 0.321 2005 108.4 0.344 2006 107.0 0.364 2007 105.8 0.381 2008 104.7 0.397 2009 103.6 0.410 2010 102.6 0.420 2011 101.7 0.430 2012 100.8 0.437 2013 99.9 0.443 2014 99.1 0.447 2015 98.2 0.450 2016 97.4 0.451 2017 96.5 0.450 2018 95.7 0.448 2019 94.8 0.445 2020 94.0 0.440 2021 93.1 0.434 2022 92.2 0.427 2023 91.2 0.417 2024 90.2 0.407 2025 89.1 0.394 2026 88.0 0.381 2027 86.8 0.365 2028 85.5 0.348 2029 84.0 0.328 2030 82.3 0.307		Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
		Measures: green=micrometric, blue=interferometric, purple=photographic