17589-3652 DUN 219 AB (HD 163651)

17h 58m 55.69s -36° 51' 30.2" P.A. 253.00 sep 54.2 mag 5.84,7.75 Sp G8III dist. 121.8 pc (397.31 l.y.)

Coord 2000 17589-3652 Discov num DUN 219 Comp AB Coord arcsec 2000 17 58 55.69 -36 51 30.2
Date first 1836 Date last 2016 Obs 23
Pa first 265 Pa last 253.3 P.A. Now (θ) 253.3°
Sep first 47.1 Sep last 54.21 Sep. Now (ρ) 54.21"
Mag pri 5.84 Mag sec 7.75 delta mag (ΔM) 1.91 Spectral class G8III (yellow)
Pri motion ra +011 Sec motion ra -014
Pri motion dec +014 Sec motion dec -047
Notes N L (See Notes, Linear solution)




rPM=1.344

This double is not physical.



17589-3652 SYSTEM COMPONENTS

Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 163651 209545 17 58 56 -36 51 30 DUN 219 AB 2016 23 253 54.2 5.84 7.75 1.91 <===
Show 209545 17 58 56 -36 51 30 DUN 219 AC 2016 5 174 40.7 5.84 11.30 5.46


Triple system
3 estimated visually detectable stars in this system



OTHER CATALOGS AND DESIGNATIONS

Name HD 163651 Constellation Sagittarius SAO 209545 HIP 88038
Tycho2 7390-00693-1 Gaia DR2 4037358426191922688 HD 163651 HR 6691
GC 24435 CD CD-3612060 CP CP-36 7836 Distance 121.8
Distance ly 397.31