16044-1122 STF 1998 BC

 
 
16h 04m 22.16s -11° 22' 20.2" P.A. 38.00 sep 8.8 mag 4.86,7.30 Sp F5IV+G1V
 
 
Coord 2000 16044-1122 Discov num STF1998 Comp BC Coord arcsec 2000 16 04 22.16 -11 22 20.2
Date first 1830 Date last 2019 Obs 79
Pa first 93 Pa last 37.5 P.A. Now (θ) 37.5°
Sep first 6.4 Sep last 8.766 Sep. Now (ρ) 8.766"
Mag pri 4.86 Mag sec 7.30 delta mag (ΔM) 2.44 Spectral class F5IV+G1V (yellow-white/yellow)
Pri motion ra -042 Sec motion ra -075
Pri motion dec -019 Sec motion dec -012
Notes N T (See Notes, Parallax indicates physical)
rPM=0.444
This double is physical.
 
 
16044-1122 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show Xi Sco 159665 16 04 22 -11 22 23 STF 1998 AB 2020 630 12 1.2 4.84 4.86 0.02 Y
Show 159665 16 04 22 -11 22 23 STF 1998 AC 2019 389 45 7.2 4.84 7.30 2.46 Y
Show 159665 16 04 22 -11 22 20 STF 1998 BC 2019 79 38 8.8 4.86 7.30 2.44 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Scorpius SAO 159665 HIP 78727 Tycho2 5619-01257-1
Gaia DR2 4343066192373234048 HD 144069 HR 5978 GC 21593
ADS 9909 BD BD-10 4237 Bayer Xi Scorpii Bayer name Xi Sco
Bayer greek ξ Sco