20113-0049 BU 1540 AB

 
 
20h 11m 18.26s -00° 49' 17.3" P.A. 259.00 sep 115.8 mag 3.23,13.00 Sp B9.5III dist. 87.8 pc (286.4 l.y.)
 
 
Coord 2000 20113-0049 Discov num BU 1540 Comp AB Coord arcsec 2000 20 11 18.26 -00 49 17.3
Date first 1901 Date last 2008 Obs 4
Pa first 260 Pa last 259.3 P.A. Now (θ) 259.3°
Sep first 113.7 Sep last 115.8 Sep. Now (ρ) 115.8"
Mag pri 3.23 Mag sec 13.00 delta mag (ΔM) 9.77 Spectral class B9.5III (blue-white)
Pri motion ra +035 Sec motion ra +019
Pri motion dec +006 Sec motion dec -003
Notes N S (See Notes, Parallax indidates non-physical)
rPM=0.517
This double is not physical.
 
 
20113-0049 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 144150 20 11 18 -00 49 17 MKT 10 Aa,Ab 2020 30 88 0.0 3.50 5.00 1.50 Y
Show The Aql 144150 20 11 18 -00 49 17 ISO 12 Aa,Ac 1987 1 44 1.0 3.23
Show 144150 20 11 18 -00 49 17 BU 1540 AB 2008 4 259 115.8 3.23 13.00 9.77 <===
Quadruple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Aquila SAO 144150 HIP 99473 Tycho2 5161-02682-1
HD 191692 HR 7710 GC 28010 BD BD-01 3911
Bayer Theta Aquilae Bayer name The Aql Flamsteed 65 Aquilae Flamsteed name 65 Aql
FK5 756 Distance 87.8 Distance ly 286.4 Bayer greek θ Aql