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Doubles in this session

Current system

00006-5306
HJ 5437

Nearby doubles

28' : 00006-5238
FIN 294

60' : 00030-5402
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69' : 00065-5224
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76' : 00087-5247
TDS1312

86' : 00065-5200
TDS1294

88' : 00087-5220
HU 1551

93' : 00090-5400
HDO 181

96' : 00091-5403
UC 326

100' : 00010-5445
RST1177

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Neglected List II

Herschel, J.F.W.

00006-5306 HJ 5437

00^h 00^m 34.35^s -53° 05' 51.8" P.A. 339.1 sep 1.38 mag 6.55,9.85 Sp G0/2IV dist. 59.42 pc (193.83 l.y.)

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	27
Pa first	296		Pa last	337		P.A. Now (θ)	339.1°
Sep first	2.5		Sep last	1.4		Sep. Now (ρ)	1.38"
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)

rPM=0.15 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Precise pa	337.3		Precise sep	1.409		Constellation	Phoenix		SAO	248097
HIP	50		Tycho2	8464-00515-1		HD	224782		CP	CP-5310565
Distance	59.42		Distance ly	193.83		last precise pa	337.3		last precise sep	1.409

ORBITAL ELEMENTS

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.

grafico orbita

wds00006-5306a.png orbit plot

Measures: green=micrometric, blue=interferometric, purple=photographic

WDS HISTORIC DATA

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

If you need more information about this double, apply for a data request form to the WDS.