22061-0521 TOK 373 (NT Aqr)

22^h 06^m 05.33^s -05° 21' 28.9" P.A. 225.00 sep 0.2 mag 7.60,11.30 Sp G5V dist. 35.15 pc (114.66 l.y.)

Coord 2000	22061-0521		Discov num	TOK 373		Comp			Coord arcsec 2000	22 06 05.33 -05 21 28.9
Date first	2012		Date last	2020		Obs	10
Pa first	49		Pa last	225		P.A. Now (θ)	225°
Sep first	0.1		Sep last	0.243		Sep. Now (ρ)	0.243"
Mag pri	7.60		Mag sec	11.30		delta mag (ΔM)	3.7		Spectral class	G5V (yellow)
Pri motion ra	+171		Sec motion ra
Pri motion dec	-046		Sec motion dec
Notes	N O (See Notes, Orbital solution)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Var name	NT Aqr		Constellation	Aquarius		SAO	145866		HIP	109110
Tycho2	5230-00369-1		Gaia DR2	2621051110038749440		HD	209779		GC	30903
BD	BD-06 5908		Distance	35.15		Distance ly	114.66

ORBITAL ELEMENTS

Period (P)	13.1y		Periastron (T)	2013.53y	± 0.22	Semi-major axis (a)	0.182a	± 0.003
Eccentricity (e)	0.366	± 0.021	Inclination (i)	96.4°	± 1.1	Longitude of periastron (ω)	352.3°	± 8
Node (Ω)	45.6°	± 0.7	Notes	n		Reference	Tok2019c
Equinox			Last observation	2018		Grade	4	(1=Definitive, 9=Indet.)

label	theta	rho
2000	50.0	0.098
2001	42.3	0.108
2002	23.5	0.043
2003	247.9	0.052
2004	234.1	0.129
2005	230.2	0.188
2006	228.1	0.228
2007	226.4	0.247
2008	224.9	0.243
2009	223.1	0.216
2010	220.5	0.166
2011	214.5	0.092
2012	122.8	0.017
2013	51.0	0.092
2014	43.1	0.111
2015	27.8	0.051
2016	251.9	0.044
2017	234.7	0.122
2018	230.5	0.183
2019	228.3	0.225
2020	226.6	0.246
2021	225.0	0.244
2022	223.3	0.220
2023	220.9	0.172
2024	215.5	0.100
2025	155.3	0.018
2026	52.2	0.085
2027	43.8	0.114
2028	31.0	0.058
2029	257.8	0.037
2030	235.3	0.114

grafico orbita

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

wds22061-0521a.png orbit plot

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