19217-1715 HO 272 AB (HD 181576)

 
 
19h 21m 41.64s -17° 14' 43.5" P.A. 58.00 sep 17.0 mag 7.45,11.30 Sp F6V dist. 76.28 pc (248.83 l.y.)
 
 
Coord 2000 19217-1715 Discov num HO  272 Comp AB Coord arcsec 2000 19 21 41.64 -17 14 43.5
Date first 1888 Date last 2020 Obs 12
Pa first 38 Pa last 57.5 P.A. Now (θ) 57.5°
Sep first 6.7 Sep last 16.98 Sep. Now (ρ) 16.98"
Mag pri 7.45 Mag sec 11.30 delta mag (ΔM) 3.85 Spectral class F6V (yellow-white)
Pri motion ra -067 Sec motion ra +002
Pri motion dec -039 Sec motion dec -005
Notes N L U (See Notes, Linear solution, Proper motion indicates non-physical)
rPM=0.992
This double is not physical.
 
 
19217-1715 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 181576 162516 19 21 42 -17 14 44 HO 272 AB 2020 12 58 17.0 7.45 11.30 3.85 <===
Show 162516 19 21 42 -17 14 44 HO 272 AC 2000 2 291 58.3 7.45 12.40 4.95
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 181576 Constellation Sagittarius SAO 162516 HIP 95172
Tycho2 6301-01335-1 Gaia DR2 4180762608077527040 HD 181576 BD BD-17 5598
Distance 76.28 Distance ly 248.83