21116-0118 BAL 621 AB (HD 201717)

 
 
21h 11m 33.10s -01° 18' 00.8" P.A. 136.00 sep 11.3 mag 8.33,11.47 Sp F5 dist. 139.08 pc (453.68 l.y.)
 
 
Coord 2000 21116-0118 Discov num BAL 621 Comp AB Coord arcsec 2000 21 11 33.10 -01 18 00.8
Date first 1896 Date last 2016 Obs 12
Pa first 136 Pa last 135.6 P.A. Now (θ) 135.6°
Sep first 11.1 Sep last 11.282 Sep. Now (ρ) 11.282"
Mag pri 8.33 Mag sec 11.47 delta mag (ΔM) 3.14 Spectral class F5 (yellow-white)
Pri motion ra +058 Sec motion ra +062
Pri motion dec +011 Sec motion dec +012
Notes
rPM=0.065 (< 0.3, Physical double)
This double is physical.
 
 
21116-0118 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 201717 145183 21 11 33 -01 18 01 BAL 621 AB 2016 12 136 11.3 8.33 11.47 3.14 <===
Show 145183 21 11 33 -01 18 01 FYM 189 AC 2014 5 46 12.4 8.33 15.00 6.67
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 201717 Constellation Aquarius SAO 145183 HIP 104616
Tycho2 5193-00682-1 Gaia DR2 2688785080759877632 HD 201717 BD BD-01 4116
Distance 139.08 Distance ly 453.68