17425-3902 RIZ 20 AC

 
 
17h 42m 29.28s -39° 01' 47.7" P.A. 18.00 sep 55.3 mag 2.38,17.00 Sp B1.5III dist. 148.15 pc (483.27 l.y.)
 
 
Coord 2000 17425-3902 Discov num RIZ  20 Comp AC Coord arcsec 2000 17 42 29.28 -39 01 47.7
Date first 1998 Date last 1998 Obs 1
Pa first 18 Pa last 17.9 P.A. Now (θ) 17.9°
Sep first 55.3 Sep last 55.34 Sep. Now (ρ) 55.34"
Mag pri 2.38 Mag sec 17.00 delta mag (ΔM) 14.62 Spectral class B1.5III (blue-white)
Pri motion ra -006 Sec motion ra
Pri motion dec -026 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
17425-3902 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 209163 17 42 29 -39 01 48 RIZ 20 Aa,Ab 2010 0 -1 0.0 2.40 6.60 4.20
Show Kap Sco 209163 17 42 29 -39 01 48 RIZ 20 AB 1998 1 191 52.8 2.38 17.00 14.62
Show 209163 17 42 29 -39 01 48 RIZ 20 AC 1998 1 18 55.3 2.38 17.00 14.62 <===
Quadruple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Scorpius SAO 209163 HIP 86670 Tycho2 7885-02065-1
Gaia DR2 5961206940970902912 HD 160578 HR 6580 GC 23988
CD CD-3812137 CP CP-38 6992 Bayer Kappa Scorpii Bayer name Kap Sco
FK5 660 Distance 148.15 Distance ly 483.27 Bayer greek κ Sco