10161-2837 TOK 199

Coord 2000	10161-2837		Discov num	TOK 199		Comp			Coord arcsec 2000	10 16 04.07 -28 36 50.2
Date first	2011		Date last	2018		Obs	18
Pa first	249		Pa last	273		P.A. Now (θ)	273°
Sep first	0.0		Sep last	0.1		Sep. Now (ρ)	0.1"
Mag pri	7.70		Mag sec	8.20		delta mag (ΔM)	0.5		Spectral class	G1V (yellow)
Pri motion ra	-224		Sec motion ra
Pri motion dec	+060		Sec motion dec
Notes	N O (See Notes, Orbital solution)

This double is physical.

Precise pa	272.7		Precise sep	0.052		Constellation	Antlia		SAO	178597
HIP	50288		Tycho2	6630-00988-1		Gaia DR2	32473673344		HD	89090
CD	CD-27 7328		CP	CP-27 4117		Distance	55.56		Distance ly	181.24
last precise pa	272.7		last precise sep	0.052

Period (P)	2.507y	± 0.022	Periastron (T)	2014.734y	± 0.02	Semi-major axis (a)	0.045a	± 0.0013
Eccentricity (e)	0.353	± 0.017	Inclination (i)	114.5°	± 1.8	Longitude of periastron (ω)	51.8°	± 3
Node (Ω)	98.5°	± 1.7	Note			Grade	3	(1=Definitive, 9=Indet.)
Equinox	2000		Last observation	2014

label rho theta 2000 0.028 301.8 2001 0.040 247.1 2002 0.033 101.2 2003 0.053 271.6 2004 0.022 174.1 2005 0.027 303.9 2006 0.041 248.1 2007 0.033 102.6 2008 0.053 272.1 2009 0.022 177.2 2010 0.025 306.2 2011 0.041 249.0 2012 0.034 104.0 2013 0.053 272.7 2014 0.022 180.4 2015 0.024 308.8 2016 0.042 249.9 2017 0.034 105.4 2018 0.053 273.2 2019 0.022 183.5 2020 0.023 311.7 2021 0.043 250.8 2022 0.034 106.8 2023 0.053 273.8 2024 0.023 186.7 2025 0.021 315.0 2026 0.043 251.7 2027 0.034 108.2 2028 0.053 274.3 2029 0.023 189.8 2030 0.020 318.8 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
10161-2837	TOK 199		2011	2	69	0.0	7.70	8.20	G1V		101604.07-283650.2
10161-2837	TOK 199		2012	3	100	0.0	7.70	8.20	G1V		101604.07-283650.2
10161-2837	TOK 199		2013	4	88	0.1	7.70	8.20	G1V		101604.07-283650.2
10161-2837	TOK 199		2015	8	125	0.0	7.70	8.20	G1V	O	101604.07-283650.2
10161-2837	TOK 199		2016	16	111	0.0	7.70	8.20	G1V	NO	101604.07-283650.2

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