22061-0521 TOK 373 (NT Aqr)

 
 
22h 06m 05.33s -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
0.2
Sep. Now (ρ)
0.24"
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
 
 
Precise pa
225
Precise sep
0.243
Var name
NT Aqr
Constellation
Hydra
HIP
109110
Tycho2
5230-00369-1
Gaia DR2
2621051110038749440
HD
209779
BD
BD-06 5908
Distance
35.15
Distance ly
114.66
last precise pa
225
last precise sep
0.243
 
 
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 Note Grade4(1=Definitive, 9=Indet.)
Equinox Last observation2018
label rho theta
2000 0.098 50.0
2001 0.108 42.3
2002 0.043 23.5
2003 0.052 247.9
2004 0.129 234.1
2005 0.188 230.2
2006 0.228 228.1
2007 0.247 226.4
2008 0.243 224.9
2009 0.216 223.1
2010 0.166 220.5
2011 0.092 214.5
2012 0.017 122.8
2013 0.092 51.0
2014 0.111 43.1
2015 0.051 27.8
2016 0.044 251.9
2017 0.122 234.7
2018 0.183 230.5
2019 0.225 228.3
2020 0.246 226.6
2021 0.244 225.0
2022 0.220 223.3
2023 0.172 220.9
2024 0.100 215.5
2025 0.018 155.3
2026 0.085 52.2
2027 0.114 43.8
2028 0.058 31.0
2029 0.037 257.8
2030 0.114 235.3


 
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
 
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
22061-0521 TOK 373 2013 4 46 0.1 7.58 9.00 G5V N 220605.33-052128.9
22061-0521 TOK 373 2017 7 233 0.1 7.60 11.30 G5V N 220605.33-052128.9
22061-0521 TOK 373 2018 8 229 0.2 7.60 11.30 G5V N 220605.33-052128.9
22061-0521 TOK 373 2019 9 227 0.2 7.60 11.30 G5V NO 220605.33-052128.9

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