10062-4722 I 173 (HD 87783)

10^h 06^m 11.22^s -47° 22' 11.9" P.A. 10.00 sep 1.0 mag 5.32,7.10 Sp K1IV+G5V dist. 73.69 pc (240.38 l.y.)

Coord 2000	10062-4722		Discov num	I 173		Comp			Coord arcsec 2000	10 06 11.22 -47 22 11.9
Date first	1897		Date last	2019		Obs	52
Pa first	45		Pa last	10.3		P.A. Now (θ)	11.3°
Sep first	0.6		Sep last	0.973		Sep. Now (ρ)	0.98"
Mag pri	5.32		Mag sec	7.10		delta mag (ΔM)	1.78		Spectral class	K1IV+G5V (yellow-orange/yellow)
Pri motion ra	-001		Sec motion ra	-001
Pri motion dec	-063		Sec motion dec	-063
Notes	O (Orbital solution)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 87783		Constellation	Vela		SAO	221773		HIP	49485
Tycho2	8186-02960-1		Gaia DR2	5408307069218184064		HD	87783		HR	3976
GC	13890		CD	CD-46 5806		CP	CP-46 4241		Distance	73.69
Distance ly	240.38

ORBITAL ELEMENTS

Period (P)	187.1696y	± 15.4081	Periastron (T)	1932.3724y	± 0.7836	Semi-major axis (a)	0.5905a	± 0.00903
Eccentricity (e)	0.66172	± 0.01609	Inclination (i)	46.171°	± 3.985	Longitude of periastron (ω)	185.093°	± 8.06
Node (Ω)	8.891°	± 4.073	Notes			Reference	Izm2019
Equinox			Last observation	2014		Grade	3	(1=Definitive, 9=Indet.)

label	theta	rho
2000	2.6	0.921
2001	3.0	0.926
2002	3.5	0.930
2003	3.9	0.935
2004	4.2	0.939
2005	4.6	0.943
2006	5.0	0.947
2007	5.4	0.950
2008	5.8	0.954
2009	6.2	0.957
2010	6.6	0.960
2011	6.9	0.963
2012	7.3	0.965
2013	7.7	0.968
2014	8.1	0.970
2015	8.4	0.972
2016	8.8	0.973
2017	9.2	0.975
2018	9.5	0.976
2019	9.9	0.977
2020	10.3	0.978
2021	10.6	0.979
2022	11.0	0.979
2023	11.3	0.980
2024	11.7	0.980
2025	12.1	0.980
2026	12.4	0.979
2027	12.8	0.979
2028	13.2	0.978
2029	13.5	0.977
2030	13.9	0.976

grafico orbita

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

wds10062-4722b.png orbit plot

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