20116-0609 BU 833 AB (HD 191722)

 
 
20h 11m 36.08s -06 08' 59.8" P.A. 63.00 sep 127.0 mag 8.35,9.21 Sp F5
 
 
Coord 2000 20116-0609 Discov num BU  833 Comp AB Coord arcsec 2000 20 11 36.08 -06 08 59.8
Date first 1881 Date last 2015 Obs 18
Pa first 64 Pa last 63.2 P.A. Now (θ) 63.2°
Sep first 118.6 Sep last 127.04 Sep. Now (ρ) 127.04"
Mag pri 8.35 Mag sec 9.21 delta mag (ΔM) 0.86 Spectral class F5 (yellow-white)
Pri motion ra +025 Sec motion ra +085
Pri motion dec -012 Sec motion dec +013
Notes
rPM=0.756
Nature of this double is uncertain.
 
 
20116-0609 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 191722 144153 20 11 36 -06 08 60 BU 833 AB 2015 18 63 127.0 8.35 9.21 0.86 <===
Show 144153 20 11 36 -06 08 60 BU 833 AD 2015 9 352 43.6 8.35 13.89 5.54
Show 144158 20 11 44 -06 08 02 BU 833 BC 2016 11 63 2.8 9.21 12.60 3.39
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 191722 Constellation Aquila SAO 144153 Tycho2 5173-01471-1
Gaia DR2 4217371534913920128 HD 191722 GC 28016