19377-4128 VOU 34 (HD 184732)

 
 
19h 37m 39.38s -41° 27' 29.5" P.A. 310.00 sep 0.2 mag 8.67,8.34 Sp F3IV dist. 146.41 pc (477.59 l.y.)
 
 
Coord 2000 19377-4128 Discov num VOU  34 Comp Coord arcsec 2000 19 37 39.38 -41 27 29.5
Date first 1936 Date last 2023 Obs 17
Pa first 134 Pa last 309.9 P.A. Now (θ) 307.2°
Sep first 0.2 Sep last 0.157 Sep. Now (ρ) 0.116"
Mag pri 8.67 Mag sec 8.34 delta mag (ΔM) 0.33 Spectral class F3IV (yellow-white)
Pri motion ra +017 Sec motion ra
Pri motion dec -036 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 184732 Constellation Sagittarius SAO 229780 HIP 96545
Tycho2 7940-01738-1 Gaia DR2 6689237192146529280 HD 184732 GC 27106
CD CD-4113605 CP CP-41 9146 Distance 146.41 Distance ly 477.59
 
 
ORBITAL ELEMENTS
 
 
Period (P)61.29y± 1.95 Periastron (T)2001.24y± 2.78 Semi-major axis (a)0.1651a± 0.0032
Eccentricity (e)0.065± 0.043 Inclination (i)97.6°± 0.6 Longitude of periastron (ω)70.6°± 17.1
Node (Ω)133.9°± 0.4 Notes ReferenceTok2024c
Equinox Last observation Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 119.8 0.074
2001 114.9 0.059
2002 106.5 0.043
2003 89.2 0.029
2004 50.9 0.021
2005 6.8 0.026
2006 345.1 0.039
2007 335.0 0.054
2008 329.5 0.070
2009 325.9 0.085
2010 323.4 0.100
2011 321.6 0.113
2012 320.1 0.125
2013 318.8 0.136
2014 317.8 0.145
2015 316.8 0.153
2016 316.0 0.159
2017 315.2 0.164
2018 314.4 0.167
2019 313.6 0.168
2020 312.9 0.168
2021 312.1 0.166
2022 311.4 0.162
2023 310.5 0.157
2024 309.6 0.151
2025 308.7 0.143
2026 307.6 0.134
2027 306.3 0.124
2028 304.8 0.113
2029 302.9 0.101
2030 300.6 0.088
2031 297.3 0.075
2032 292.7 0.061
2033 285.3 0.047
2034 272.3 0.035
2035 247.3 0.025
2036 209.6 0.024
2037 180.4 0.032
2038 164.9 0.044
2039 156.4 0.057
2040 151.2 0.071
2041 147.6 0.084
2042 145.0 0.097
2043 143.1 0.109
2044 141.5 0.120
2045 140.1 0.131
2046 139.0 0.139
2047 137.9 0.147
2048 137.0 0.153
2049 136.1 0.157
2050 135.3 0.160


 
grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
wds19377-4128b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic