16044-1127 STF 1999 AD

 
 
16h 04m 25.96s -11° 26' 57.6" P.A. 351.00 sep 278.5 mag 7.43,4.10 Sp G8V+F5IV
 
 
Coord 2000 16044-1127 Discov num STF1999 Comp AD Coord arcsec 2000 16 04 25.96 -11 26 57.6
Date first 1834 Date last 2006 Obs 27
Pa first 349 Pa last 351 P.A. Now (θ) 351°
Sep first 280.0 Sep last 278.48 Sep. Now (ρ) 278.48"
Mag pri 7.43 Mag sec 4.10 delta mag (ΔM) 3.33 Spectral class G8V+F5IV (yellow/yellow-white)
Pri motion ra -062 Sec motion ra -074
Pri motion dec -022 Sec motion dec -033
Notes N T (See Notes, Parallax indicates physical)
rPM=0.201 (< 0.3, Physical double)
This double is physical.
 
 
16044-1127 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 144087 159668 16 04 26 -11 26 58 STF 1999 AB 2019 175 98 11.9 7.43 7.99 0.56
Show 159668 16 04 26 -11 26 58 STF 1999 AC 2015 12 85 84.5 7.43 11.41 3.98
Show 159668 16 04 26 -11 26 58 STF 1999 AD 2006 27 351 278.5 7.43 4.10 3.33 <===
Show 159670 16 04 27 -11 26 60 STF 1999 BC 2015 10 82 73.0 7.99 11.41 3.42
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Scorpius SAO 159668 HIP 78727 Tycho2 5619-01260-1
Gaia DR2 4343064577465522816 HD 144087 HR 5977 GC 21593
ADS 9909 BD BD-10 4237 Bayer Xi Scorpii Bayer name Xi Sco
Bayer greek ξ Sco