17379-3752 I 247 AB (HD 159704)

 
 
17h 37m 51.21s -37° 51' 41.0" P.A. 109.00 sep 0.3 mag 6.98,8.68 Sp G8IV/V dist. 47.57 pc (155.17 l.y.)
 
 
Coord 2000 17379-3752 Discov num I   247 Comp AB Coord arcsec 2000 17 37 51.21 -37 51 41.0
Date first 1897 Date last 2021 Obs 17
Pa first 120 Pa last 108.7 P.A. Now (θ) 108.7°
Sep first 1.0 Sep last 0.315 Sep. Now (ρ) 0.315"
Mag pri 6.98 Mag sec 8.68 delta mag (ΔM) 1.7 Spectral class G8IV/V (yellow)
Pri motion ra -010 Sec motion ra -010
Pri motion dec -132 Sec motion dec -132
Notes N (See Notes)
Nature of this double is uncertain.
 
 
17379-3752 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 159704 209047 17 37 51 -37 51 41 I 247 AB 2021 17 109 0.3 6.98 8.68 1.70 <===
Show 209047 17 37 51 -37 51 41 I 247 AC 2021 5 334 0.2 6.98 9.00 2.02
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 159704 Constellation Scorpius SAO 209047 HIP 86286
Tycho2 7884-02780-1 Gaia DR2 5962262197232155392 HD 159704 GC 23873
GL Gl 683.2A CD CD-3711734 Distance 47.57 Distance ly 155.17