02136-5721 HDS 296 (HD 13096)

02^h 13^m 33.55^s -57° 20' 41.9" P.A. 103.00 sep 0.1 mag 8.85,10.34 Sp F6V dist. 159.24 pc (519.44 l.y.)

Coord 2000	02136-5721		Discov num	HDS 296		Comp			Coord arcsec 2000	02 13 33.55 -57 20 41.9
Date first	1991		Date last	2020		Obs	9
Pa first	122		Pa last	102.5		P.A. Now (θ)	102.5°
Sep first	0.2		Sep last	0.109		Sep. Now (ρ)	0.109"
Mag pri	8.85		Mag sec	10.34		delta mag (ΔM)	1.49		Spectral class	F6V (yellow-white)
Pri motion ra	-025		Sec motion ra
Pri motion dec	-012		Sec motion dec
Notes	O (Orbital solution)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 13096		Constellation	Eridanus		SAO	232679		HIP	10362
Tycho2	8486-00307-1		Gaia DR2	4739279811641927296		HD	13096		GC	2692
CD	CD-32 800		CP	CP-57 416		Distance	159.24		Distance ly	519.44

ORBITAL ELEMENTS

Period (P)	75.3y		Periastron (T)	2023.8y		Semi-major axis (a)	0.175a
Eccentricity (e)	0.4		Inclination (i)	74.2°		Longitude of periastron (ω)	41.3°
Node (Ω)	100.9°		Notes			Reference	Tok2018i
Equinox	2000		Last observation	2018		Grade	4	(1=Definitive, 9=Indet.)

label	theta	rho
2000	325.3	0.083
2001	331.2	0.075
2002	338.4	0.068
2003	347.1	0.062
2004	357.5	0.057
2005	9.3	0.055
2006	21.7	0.054
2007	33.9	0.056
2008	44.9	0.060
2009	54.3	0.065
2010	62.2	0.072
2011	68.7	0.079
2012	74.1	0.086
2013	78.7	0.093
2014	82.6	0.100
2015	86.1	0.106
2016	89.2	0.111
2017	92.1	0.114
2018	94.8	0.116
2019	97.5	0.116
2020	100.2	0.114
2021	103.2	0.109
2022	106.5	0.101
2023	110.4	0.091
2024	115.5	0.078
2025	122.7	0.064
2026	134.3	0.049
2027	154.6	0.037
2028	187.5	0.032
2029	220.1	0.037
2030	240.0	0.050

grafico orbita

Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.

wds02136-5721a.png orbit plot

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