11192-1950 TOK 383Aa,Ab

Coord 2000	11192-1950		Discov num	TOK 383		Comp	Aa,Ab		Coord arcsec 2000	11 19 14.66 -19 49 43.8
Date first	2013		Date last	2020		Obs	10
Pa first	26		Pa last	205		P.A. Now (θ)	77.6°
Sep first	0.1		Sep last	0.0		Sep. Now (ρ)	0.02"
Mag pri	8.90		Mag sec	9.10		delta mag (ΔM)	0.2		Spectral class	F6V (yellow-white)
Pri motion ra	-055		Sec motion ra
Pri motion dec	-002		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		156604	11 19 15 -19 49 44	TOK 383 Aa,Ab	2020	10	78	0.0	8.90	9.10	0.20	Y	<===
Show		156604	11 19 15 -19 49 44	ARA 683 AB	2015	6	181	20.1	9.70	12.32	2.62

Triple system
2 visible stars in this system

Precise pa	204.5		Precise sep	0.02		Constellation	Crater		SAO	156604
Tycho2	6087-01708-1		Gaia DR2	3545564016166749696		HD	98412		last precise pa	204.5
last precise sep	0.02

Period (P)	9.602y		Periastron (T)	2020.236y		Semi-major axis (a)	0.042a
Eccentricity (e)	0.521		Inclination (i)	130.4°		Longitude of periastron (ω)	219°
Node (Ω)	30.8°		Note			Grade	4	(1=Definitive, 9=Indet.)
Equinox	2000		Last observation	2020

label rho theta 2000 0.025 258.3 2001 0.018 186.8 2002 0.027 64.8 2003 0.047 36.8 2004 0.056 23.2 2005 0.059 12.3 2006 0.055 1.1 2007 0.048 347.3 2008 0.037 326.8 2009 0.028 290.6 2010 0.024 234.1 2011 0.015 126.7 2012 0.036 49.8 2013 0.051 30.7 2014 0.058 18.8 2015 0.058 8.0 2016 0.053 356.1 2017 0.044 340.3 2018 0.033 314.9 2019 0.026 270.0 2020 0.021 206.1 2021 0.022 77.6 2022 0.043 40.5 2023 0.055 25.6 2024 0.059 14.5 2025 0.056 3.5 2026 0.049 350.5 2027 0.039 331.9 2028 0.029 299.8 2029 0.025 246.7 2030 0.015 161.1		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
11192-1950	TOK 383	Aa,Ab	2013	3	26	0.0	8.90	9.10	F6V		111914.66-194943.8
11192-1950	TOK 383	Aa,Ab	2015	5	13	0.1	8.90	9.10	F6V		111914.66-194943.8
11192-1950	TOK 383	Aa,Ab	2016	7	348	0.1	8.90	9.10	F6V	N	111914.66-194943.8
11192-1950	TOK 383	Aa,Ab	2018	9	268	0.0	8.90	9.10	F6V	N	111914.66-194943.8

If you need more information about this double, apply for a data request form to the WDS.