20588-0921 BU 764 AB,C

 
 
20h 58m 50.58s -09° 21' 04.6" P.A. 110.00 sep 102.8 mag 9.80,9.60 Sp F8
 
 
Coord 2000 20588-0921 Discov num BU  764 Comp AB,C Coord arcsec 2000 20 58 50.58 -09 21 04.6
Date first 1879 Date last 2018 Obs 23
Pa first 113 Pa last 109.6 P.A. Now (θ) 109.6°
Sep first 100.6 Sep last 102.8 Sep. Now (ρ) 102.8"
Mag pri 9.80 Mag sec 9.60 delta mag (ΔM) 0.2 Spectral class F8 (yellow-white)
Pri motion ra +001 Sec motion ra +033
Pri motion dec -038 Sec motion dec -018
Notes
rPM=0.993
This double is not physical.
 
 
20588-0921 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 199634 144995 20 58 51 -09 21 05 BU 764 AB 2017 16 1 0.7 9.80 9.73 0.07
Show 144999 20 58 51 -09 21 05 BU 764 AB,C 2018 23 110 102.8 9.80 9.60 0.20 <===
Show 144996 20 58 51 -09 21 05 BU 764 AB,D 2014 22 21 136.2 9.80 9.18 0.62
Show 20 58 51 -09 21 05 BU 764 AB,E 2018 11 86 54.5 9.80 12.10 2.30
Show 144999 20 58 57 -09 21 40 BU 764 CE 2018 8 312 57.3 9.60 12.10 2.50
Show 144996 20 58 54 -09 18 57 BU 764 DE 2015 6 177 124.3 9.18 12.10 2.92
Show 144996 20 58 54 -09 18 57 BOO 1 DF 2018 7 195 18.3 9.18 14.50 5.32
Sextuple system
7 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Aquarius SAO 144999 Tycho2 5770-00097-1 Gaia DR2 6902539282540411904
HD 199654