19205-0525 ISO 10 Aa,Ab (26 Aql)

 
 
19h 20m 32.84s -05° 24' 57.1" P.A. 56.00 sep 0.5 mag 5.01, Sp G8III-IV dist. 47.28 pc (154.23 l.y.)
 
 
Coord 2000 19205-0525 Discov num ISO  10 Comp Aa,Ab Coord arcsec 2000 19 20 32.84 -05 24 57.1
Date first 1987 Date last 1987 Obs 1
Pa first 56 Pa last 56 P.A. Now (θ) 56°
Sep first 0.5 Sep last 0.48 Sep. Now (ρ) 0.48"
Mag pri 5.01 Mag sec delta mag (ΔM) Spectral class G8III-IV (yellow)
Pri motion ra +116 Sec motion ra
Pri motion dec +048 Sec motion dec
Notes N X O (See Notes, Dubious double, Orbital solution)
This double is physical.
 
 
19205-0525 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 26 Aql 143286 19 20 33 -05 24 57 ISO 10 Aa,Ab 1987 1 56 0.5 5.01 Y <===
Show 143286 19 20 33 -05 24 57 BUP 189 AB 2015 8 6 112.1 5.01 12.69 7.68
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name 26 Aql Constellation Aquila SAO 143286 HIP 95066
Tycho2 5138-02406-1 Gaia DR2 4211336453026352512 HD 181391 HR 7333
GC 26669 BD BD-05 4936 Flamsteed 26 Aquilae Flamsteed name 26 Aql
FK5 3544 Distance 47.28 Distance ly 154.23
 
 
ORBITAL ELEMENTS
 
 
Period (P)266.5d Periastron (T)33420.2d (1950.377y) Semi-major axis (a)9.15m± 0.54
Eccentricity (e)0.83 Inclination (i)75.2°± 8.6 Longitude of periastron (ω)152.7°
Node (Ω)129.7°± 6.7 Notesn ReferenceJnc2005
Equinox Last observation1992 Grade9(1=Definitive, 9=Indet.)
label theta rho
2000-01-01 317.1 0.002
2001-01-01 119.7 0.013
2002-01-01 127.1 0.014
2003-01-01 105.3 0.005
2004-01-01 122.0 0.015
2005-01-01 130.4 0.010
2006-01-01 114.9 0.010
2007-01-01 124.1 0.015
2008-01-01 147.6 0.002
2009-01-01 118.8 0.013
2010-01-01 126.3 0.014
2011-01-01 95.5 0.003
2012-01-01 121.3 0.015
2013-01-01 129.1 0.011
2014-01-01 113.0 0.008
2015-01-01 123.4 0.015
2016-01-01 135.9 0.006
2017-01-01 117.7 0.012
2018-01-01 125.5 0.015
2019-01-01 58.4 0.001
2020-01-01 120.6 0.014
2021-01-01 128.0 0.013
2022-01-01 110.2 0.007
2023-01-01 122.8 0.015
2024-01-01 132.5 0.008
2025-01-01 116.5 0.011
2026-01-01 124.8 0.015
2027-01-01 322.9 0.002
2028-01-01 119.8 0.014
2029-01-01 127.1 0.013
2030-01-01 105.9 0.005


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



 
 


wds19205-0525s.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic