00003-4417 I  1477

Coord 2000	00003-4417		Discov num	I  1477		Comp			Coord arcsec 2000	00 00 19.10 -44 17 26.0
Date first	1926		Date last	2001		Obs	31
Pa first	261		Pa last	327		P.A. Now (θ)	130°
Sep first	0.5		Sep last	0.3		Sep. Now (ρ)	0.35"
Mag pri	6.80		Mag sec	7.56		delta mag (ΔM)	0.76		Spectral class	G3IV (yellow)
Pri motion ra	+062		Sec motion ra	+062
Pri motion dec	-107		Sec motion dec	-107
Notes	O (Orbital solution)

This double is physical.

Precise pa	326.5		Precise sep	0.312		Constellation	Phoenix		SAO	231888
HIP	25		Tycho2	7529-00356-1		Gaia DR2	92009978112		HD	224750
HR	9077		CD	CD-4415420		CP	CP-4410394		Distance	81.37
Distance ly	265.43		last precise pa	326.5		last precise sep	0.312

Period (P)	384.1y	± 22.5	Periastron (T)	2008.2y	± 14.9	Semi-major axis (a)	1.023a	± 0.096
Eccentricity (e)	0.703	± 0.056	Inclination (i)	75.3°	± 2.4	Longitude of periastron (ω)	246.5°	± 3.1
Node (Ω)	141.6°	± 1.9	Note			Grade	5	(1=Definitive, 9=Indet.)
Equinox	2000		Last observation	2001

label rho theta 2000 0.359 324.7 2001 0.339 326.2 2002 0.316 327.8 2003 0.292 329.8 2004 0.265 332.0 2005 0.237 334.9 2006 0.207 338.5 2007 0.177 343.3 2008 0.146 350.1 2009 0.117 0.5 2010 0.094 16.8 2011 0.081 41.0 2012 0.084 68.1 2013 0.103 89.0 2014 0.129 102.4 2015 0.160 111.0 2016 0.192 116.8 2017 0.224 120.9 2018 0.255 124.0 2019 0.286 126.4 2020 0.316 128.4 2021 0.346 130.0 2022 0.374 131.4 2023 0.401 132.5 2024 0.428 133.6 2025 0.453 134.5 2026 0.477 135.3 2027 0.501 136.0 2028 0.524 136.7 2029 0.545 137.3 2030 0.566 137.9 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
00003-4417	I 1477		2001	31	330	0.3	6.80	7.56	G3IV	OD	000019.10-441726.0

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