19411+1349 KUI  93 (QS Aql)

 
 
19h 41m 05.53s +13 48' 56.5" P.A. 318 sep 0.14 mag 6.69,6.75 Sp B5V 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
2015
Obs
79
Pa first
137
Pa last
316
P.A. Now (θ)
318°
Sep first
0.2
Sep last
0.1
Sep. Now (ρ)
0.14"
Mag pri
6.69
Mag sec
6.75
delta mag (ΔM)
0.06
Spectral class
B5V (blue-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
 
 
Precise pa
315.8
Precise sep
0.149
Other name
QS Aql
Var name
QS Aql
Constellation
Aquila
SAO
105132
HIP
96840
Tycho2
1069-03884-1
HD
185936
HR
7486
GC
27235
BD
BD+13 4098
Distance
2040.82
Distance ly
6657.15
last precise pa
315.8
last precise sep
0.149
 
 
ORBITAL ELEMENTS
 
 
Period (P)77y± 4.3 Periastron (T)1962.36y± 2.3 Semi-major axis (a)0.111a± 0.045
Eccentricity (e)0.947± 0.038 Inclination (i)61.2°± 3.6 Longitude of periastron (ω)336.8°± 4.7
Node (Ω)144.5°± 5.1 Note Grade3(1=Definitive, 9=Indet.)
Equinox2000 Last observation2015
label rho theta
2000 0.202 312.6
2001 0.203 312.9
2002 0.203 313.1
2003 0.203 313.3
2004 0.203 313.5
2005 0.203 313.7
2006 0.203 313.9
2007 0.202 314.2
2008 0.201 314.4
2009 0.200 314.6
2010 0.199 314.8
2011 0.198 315.1
2012 0.196 315.3
2013 0.195 315.5
2014 0.193 315.8
2015 0.190 316.0
2016 0.188 316.2
2017 0.185 316.5
2018 0.182 316.8
2019 0.179 317.0
2020 0.176 317.3
2021 0.172 317.6
2022 0.168 317.9
2023 0.164 318.2
2024 0.159 318.6
2025 0.155 318.9
2026 0.149 319.3
2027 0.144 319.7
2028 0.138 320.2
2029 0.131 320.7
2030 0.124 321.2

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

grafico orbita





wds19411%2B1349e.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
19411+1349 KUI 93 2005 79 318 0.2 6.69 6.75 B5V NOD 194105.53+134856.5
19411+1349 KUI 93 2010 81 311 0.2 6.69 6.75 B5V NOD 194105.53+134856.5
19411+1349 KUI 93 2015 79 316 0.1 6.69 6.75 B5V NO 194105.53+134856.5

If you need more information about this double, apply for a data request form to the WDS.