01308-5940 TOK 183

Coord 2000	01308-5940		Discov num	TOK 183		Comp			Coord arcsec 2000	01 30 46.18 -59 39 33.9
Date first	2011		Date last	2019		Obs	15
Pa first	349		Pa last	356		P.A. Now (θ)	174.8°
Sep first	0.1		Sep last	0.0		Sep. Now (ρ)	0.06"
Mag pri	8.80		Mag sec	8.80		delta mag (ΔM)	0		Spectral class	G0V (yellow)
Pri motion ra	+112		Sec motion ra
Pri motion dec	-025		Sec motion dec
Notes	O (Orbital solution)

Visually invisible, K-band or other infrared star This double is physical.

Precise pa	356.3		Precise sep	0.041		Constellation	Hydrus		SAO	232444
HIP	7040		Tycho2	8481-01119-1		Gaia DR2	53393046528		HD	9379
CP	CP-60 118		Distance	66.31		Distance ly	216.3		last precise pa	356.3
last precise sep	0.041

Period (P)	4.66y	± 0.23	Periastron (T)	2012.83y	± 0.23	Semi-major axis (a)	0.0458a	± 0.003
Eccentricity (e)	0.462	± 0.067	Inclination (i)	75°	± 0	Longitude of periastron (ω)	13.9°	± 16.2
Node (Ω)	349.5°	± 3.4	Note			Grade	4	(1=Definitive, 9=Indet.)
Equinox	2000		Last observation	2014

label rho theta 2000 0.048 161.1 2001 0.066 171.6 2002 0.046 182.6 2003 0.012 302.0 2004 0.012 119.4 2005 0.059 165.6 2006 0.063 174.6 2007 0.032 190.9 2008 0.024 342.8 2009 0.032 153.4 2010 0.065 168.9 2011 0.056 178.1 2012 0.016 215.3 2013 0.017 8.0 2014 0.048 161.4 2015 0.066 171.8 2016 0.046 182.9 2017 0.013 306.6 2018 0.013 124.4 2019 0.059 165.8 2020 0.063 174.8 2021 0.031 191.6 2022 0.025 344.0 2023 0.033 154.1 2024 0.065 169.0 2025 0.056 178.3 2026 0.015 218.3 2027 0.016 10.7 2028 0.049 161.7 2029 0.066 172.0 2030 0.045 183.3 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
01308-5940	TOK 183		2011	1	349	0.1	8.80	8.80	G0V		013046.18-593933.9
01308-5940	TOK 183		2013	4	160	0.0	8.80	8.80	G0V		013046.18-593933.9
01308-5940	TOK 183		2015	5	170	0.1	8.80	8.80	G0V	O	013046.18-593933.9
01308-5940	TOK 183		2017	13	167	0.1	8.80	8.80	G0V	O	013046.18-593933.9
01308-5940	TOK 183		2019	15	356	0.0	8.80	8.80	G0V	O	013046.18-593933.9

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