22091-1831 BU 170 BC

 
 
22h 09m 06.21s -18° 29' 05.8" P.A. 24.00 sep 0.7 mag 9.01,9.24 Sp G1V+B2III dist. 76.05 pc (248.08 l.y.)
 
 
Coord 2000 22091-1831 Discov num BU  170 Comp BC Coord arcsec 2000 22 09 06.21 -18 29 05.8
Date first 1873 Date last 2021 Obs 46
Pa first 75 Pa last 23.5 P.A. Now (θ) 23.5°
Sep first 2.0 Sep last 0.722 Sep. Now (ρ) 0.722"
Mag pri 9.01 Mag sec 9.24 delta mag (ΔM) 0.23 Spectral class G1V+B2III (yellow/blue-white)
Pri motion ra +054 Sec motion ra
Pri motion dec -016 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
22091-1831 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 35 Aqr 164888 22 08 59 -18 31 10 BU 170 A,BC 2020 8 40 161.0 5.77 8.50 2.73
Show 164888 22 08 59 -18 31 10 BU 170 AD 2020 3 28 81.3 5.77 12.44 6.67
Show 22 09 06 -18 29 06 BU 170 BC 2021 46 24 0.7 9.01 9.24 0.23 <===
Quadruple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Aquarius HIP 109344 Tycho2 6380-00249-1 Gaia DR2 6825369955866955008
HD 210198 BD BD-19 6228 Distance 76.05 Distance ly 248.08