10465-6416 FIN 364 AB

Coord 2000	10465-6416		Discov num	FIN 364		Comp	AB		Coord arcsec 2000	10 46 29.61 -64 15 47.7
Date first	1960		Date last	2021		Obs	27
Pa first	304		Pa last	298.9		P.A. Now (θ)	57.3°
Sep first	0.1		Sep last	0.073		Sep. Now (ρ)	0.034"
Mag pri	5.30		Mag sec	5.90		delta mag (ΔM)	0.6		Spectral class	B7IV (blue-white)
Pri motion ra	-023		Sec motion ra
Pri motion dec	+011		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		251117	10 46 30 -64 15 48	FIN 364 AB	2021	27	299	0.1	5.30	5.90	0.60	Y	<===
Show	HD 93549	251117	10 46 30 -64 15 48	TOK 45 AC	2021	17	200	0.7	5.30	9.20	3.90

Triple system
3 estimated visually detectable stars in this system

Constellation	Carina		SAO	251117		HIP	52701		Tycho2	8965-01763-1
Gaia DR2	5239845949239370240		HD	93549		HR	4220		GC	14844
CP	CP-63 1649		Distance	145.99		Distance ly	476.22

Period (P)	13.25y	± 0.2	Periastron (T)	2020.6y	± 2.49	Semi-major axis (a)	0.0805a	± 0.0014
Eccentricity (e)	0.025	± 0.022	Inclination (i)	115.2°	± 2.2	Longitude of periastron (ω)	17.6°	± 64.8
Node (Ω)	136.7°	± 1.7	Notes	n		Reference	Tok2015c
Equinox	2000		Last observation	2014		Grade	2	(1=Definitive, 9=Indet.)

label theta rho 2000 317.2 0.082 2001 305.6 0.076 2002 289.3 0.059 2003 255.3 0.038 2004 196.9 0.038 2005 162.7 0.058 2006 145.9 0.075 2007 133.4 0.078 2008 119.4 0.066 2009 95.0 0.046 2010 41.2 0.034 2011 353.6 0.050 2012 332.6 0.071 2013 320.0 0.082 2014 308.7 0.079 2015 294.2 0.064 2016 266.7 0.043 2017 210.7 0.036 2018 168.7 0.053 2019 149.4 0.072 2020 136.5 0.079 2021 123.4 0.071 2022 103.0 0.051 2023 57.3 0.034 2024 2.0 0.045 2025 336.6 0.066 2026 322.8 0.080 2027 311.6 0.081 2028 298.5 0.069 2029 275.9 0.048 2030 226.1 0.035		Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
		Measures: green=micrometric, blue=interferometric, purple=photographic