19222-0735 A 102 AB

 
 
19h 22m 09.28s -07° 35' 12.6" P.A. 270.00 sep 0.2 mag 9.50,9.50 Sp F2
 
 
Coord 2000 19222-0735 Discov num A   102 Comp AB Coord arcsec 2000 19 22 09.28 -07 35 12.6
Date first 1900 Date last 2021 Obs 23
Pa first 219 Pa last 269.5 P.A. Now (θ) 269.5°
Sep first 0.4 Sep last 0.217 Sep. Now (ρ) 0.217"
Mag pri 9.50 Mag sec 9.50 delta mag (ΔM) 0 Spectral class F2 (yellow-white)
Pri motion ra +014 Sec motion ra
Pri motion dec -023 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
19222-0735 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 143317 19 22 09 -07 35 13 A 102 AB 2021 23 270 0.2 9.50 9.50 0.00 Y <===
Show HD 181782 143317 19 22 09 -07 35 13 HO 104 AB,C 2014 12 123 5.5 8.60 11.50 2.90
Triple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Aquila SAO 143317 Tycho2 5709-01636-1 Gaia DR2 4207778605206583552
HD 181782 ADS 12348
 
 
ORBITAL ELEMENTS
 
 
Period (P)429y± 20 Periastron (T)1992.26y± 0.13 Semi-major axis (a)0.352a± 0.009
Eccentricity (e)0.653± 0.011 Inclination (i)40°± 0.4 Longitude of periastron (ω)106.9°± 3
Node (Ω)67.5°± 2 Notes ReferenceLin2012a
Equinox2000 Last observation2008 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 219.6 0.124
2001 223.3 0.129
2002 226.8 0.134
2003 230.1 0.139
2004 233.1 0.143
2005 236.0 0.148
2006 238.6 0.153
2007 241.1 0.157
2008 243.5 0.162
2009 245.8 0.166
2010 247.9 0.170
2011 249.9 0.175
2012 251.8 0.179
2013 253.7 0.183
2014 255.5 0.187
2015 257.2 0.190
2016 258.8 0.194
2017 260.4 0.198
2018 261.9 0.201
2019 263.3 0.205
2020 264.7 0.208
2021 266.1 0.211
2022 267.4 0.215
2023 268.7 0.218
2024 270.0 0.221
2025 271.2 0.224
2026 272.4 0.227
2027 273.5 0.230
2028 274.7 0.233
2029 275.8 0.236
2030 276.8 0.238


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



 
 


wds19222-0735b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic