00006-5306 HJ 5437

Coord 2000	00006-5306		Discov num	HJ 5437		Comp			Coord arcsec 2000	00 00 34.35 -53 05 51.8
Date first	1836		Date last	2015		Obs	28
Pa first	296		Pa last	337		P.A. Now (θ)	339.7°
Sep first	2.5		Sep last	1.4		Sep. Now (ρ)	1.37"
Mag pri	6.55		Mag sec	9.85		delta mag (ΔM)	3.3		Spectral class	G0/2IV (yellow)
Pri motion ra	+060		Sec motion ra	+053
Pri motion dec	-028		Sec motion dec	-021
Notes	O (Orbital solution)

This double is physical.

Spectr

K:+M0

last precise pa

337.3

last precise sep

1.409

Period (P)	948.6y	± 284.6	Periastron (T)	1134.9y	± 286.4	Semi-major axis (a)	2.17a	± 0.43
Eccentricity (e)	0.67	± 0.06	Inclination (i)	24.7°	± 8.2	Longitude of periastron (ω)	99.5°	± 25.3
Node (Ω)	340.9°	± 26.8	Note			Grade	5	(1=Definitive, 9=Indet.)
Equinox	2000		Last observation

label rho theta 2000 1.596 329.3 2001 1.584 329.7 2002 1.573 330.2 2003 1.561 330.7 2004 1.550 331.2 2005 1.538 331.7 2006 1.526 332.2 2007 1.514 332.8 2008 1.503 333.3 2009 1.491 333.8 2010 1.478 334.4 2011 1.466 334.9 2012 1.454 335.5 2013 1.442 336.1 2014 1.430 336.7 2015 1.417 337.3 2016 1.405 337.9 2017 1.392 338.5 2018 1.380 339.1 2019 1.367 339.7 2020 1.354 340.4 2021 1.342 341.1 2022 1.329 341.7 2023 1.316 342.4 2024 1.303 343.1 2025 1.290 343.8 2026 1.277 344.6 2027 1.264 345.3 2028 1.250 346.1 2029 1.237 346.9 2030 1.224 347.7 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
00006-5306	HJ 5437		2001	25	331	1.6	6.55	9.85	G0/2IV	D	000034.35-530551.8
00006-5306	HJ 5437		2008	26	333	1.5	6.55	9.85	G0/2IV	D	000034.35-530551.8
00006-5306	HJ 5437		2015	27	337	1.4	6.55	9.85	G0/2IV		000034.35-530551.8

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