19411+1349 KUI 93 (QS Aql)

 
 
19h 41m 05.53s +13 48' 56.5" P.A. 317.00 sep 0.1 mag 6.69,6.75 Sp B5V+A8IV dist. 2040.82 pc (6657.15 l.y.)
 
 
Coord 2000 19411+1349 Discov num KUI  93 Comp Coord arcsec 2000 19 41 05.53 +13 48 56.5
Date first 1934 Date last 2018 Obs 83
Pa first 137 Pa last 316.8 P.A. Now (θ) 319.8°
Sep first 0.2 Sep last 0.13 Sep. Now (ρ) 0.092"
Mag pri 6.69 Mag sec 6.75 delta mag (ΔM) 0.06 Spectral class B5V+A8IV (blue-white/white)
Pri motion ra -002 Sec motion ra
Pri motion dec -010 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name QS Aql Constellation Aquila SAO 105132 HIP 96840
Tycho2 1069-03884-1 Gaia DR2 4317157059905694592 HD 185936 HR 7486
GC 27235 BD BD+13 4098 FK5 3574 Distance 2040.82
Distance ly 6657.15
 
 
ORBITAL ELEMENTS
 
 
Period (P)65.57y± 1.3 Periastron (T)1963.4y± 2.6 Semi-major axis (a)0.101a± 0.002
Eccentricity (e)0.947 Inclination (i)64.5°± 2.5 Longitude of periastron (ω)357.6°± 33.2
Node (Ω)132.1°± 13.8 Notesn ReferenceTok2021c
Equinox2000 Last observation2018 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 311.8 0.195
2001 312.0 0.194
2002 312.2 0.193
2003 312.5 0.191
2004 312.7 0.189
2005 312.9 0.187
2006 313.1 0.185
2007 313.3 0.183
2008 313.6 0.180
2009 313.8 0.177
2010 314.1 0.173
2011 314.3 0.169
2012 314.6 0.165
2013 314.9 0.161
2014 315.2 0.156
2015 315.5 0.151
2016 315.9 0.146
2017 316.3 0.140
2018 316.7 0.133
2019 317.1 0.126
2020 317.7 0.119
2021 318.3 0.111
2022 318.9 0.102
2023 319.8 0.092
2024 320.8 0.082
2025 322.1 0.070
2026 324.1 0.057
2027 327.4 0.041
2028 335.8 0.022
2029 139.2 0.005
2030 285.7 0.022


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



 
 


wds19411%2B1349g.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic