00519-4343 I    47

Coord 2000	00519-4343		Discov num	I    47		Comp			Coord arcsec 2000	00 51 52.18 -43 42 32.3
Date first	1895		Date last	2010		Obs	41
Pa first	0		Pa last	32		P.A. Now (θ)	30.8°
Sep first	1.0		Sep last	0.8		Sep. Now (ρ)	0.6"
Mag pri	7.45		Mag sec	7.95		delta mag (ΔM)	0.5		Spectral class	F2V+F5V (yellow-white/yellow-white)
Pri motion ra	+031		Sec motion ra	+031
Pri motion dec	+002		Sec motion dec	+002
Notes	O (Orbital solution)

This double is physical.

Precise pa	32.1		Precise sep	0.84		Constellation	Phoenix		SAO	215270
HIP	4049		Tycho2	7538-00690-1		HD	5042		HR	245
CD	CD-44 226		CP	CP-44 107		Distance	95.6		Distance ly	311.85
last precise pa	32.1		last precise sep	0.84

Period (P)	516.5y	± 43.1	Periastron (T)	1850.7y	± 42.6	Semi-major axis (a)	1.228a	± 0.154
Eccentricity (e)	0.112	± 0.026	Inclination (i)	77°	± 2.6	Longitude of periastron (ω)	298.2°	± 5.6
Node (Ω)	4.5°	± 1.8	Note			Grade	5	(1=Definitive, 9=Indet.)
Equinox	2000		Last observation	2001

label rho theta 2000 0.781 21.8 2001 0.772 22.2 2002 0.762 22.6 2003 0.752 23.0 2004 0.742 23.5 2005 0.732 23.9 2006 0.723 24.3 2007 0.713 24.8 2008 0.703 25.3 2009 0.693 25.7 2010 0.682 26.2 2011 0.672 26.7 2012 0.662 27.3 2013 0.652 27.8 2014 0.642 28.4 2015 0.632 29.0 2016 0.621 29.6 2017 0.611 30.2 2018 0.601 30.8 2019 0.591 31.5 2020 0.580 32.2 2021 0.570 32.9 2022 0.560 33.6 2023 0.550 34.4 2024 0.540 35.2 2025 0.530 36.0 2026 0.520 36.8 2027 0.510 37.7 2028 0.500 38.6 2029 0.490 39.6 2030 0.480 40.6 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
00519-4343	I 47		2001	39	23	0.8	7.45	7.95	F2V+F5V	OD	005152.18-434232.3
00519-4343	I 47		2008	40	24	0.7	7.45	7.95	F2V+F5V	OD	005152.18-434232.3
00519-4343	I 47		2010	41	32	0.8	7.45	7.95	F2V+F5V	O	005152.18-434232.3

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