16569-4031 RST 5421 AB

 
 
16h 56m 54.67s -40° 30' 44.4" P.A. 128.00 sep 7.3 mag 7.27,13.00 Sp O6.5IIIf: dist. 395.26 pc (1289.34 l.y.)
 
 
Coord 2000 16569-4031 Discov num RST5421 Comp AB Coord arcsec 2000 16 56 54.67 -40 30 44.4
Date first 1945 Date last 2015 Obs 4
Pa first 129 Pa last 127.7 P.A. Now (θ) 127.7°
Sep first 7.2 Sep last 7.281 Sep. Now (ρ) 7.281"
Mag pri 7.27 Mag sec 13.00 delta mag (ΔM) 5.73 Spectral class O6.5IIIf: (blue)
Pri motion ra +010 Sec motion ra
Pri motion dec +003 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
16569-4031 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 227479 16 56 55 -40 30 44 CHR 254 Aa,Ab 2014 5 310 0.1 7.50 9.30 1.80
Show 227479 16 56 55 -40 30 44 RST 5421 AB 2015 4 128 7.3 7.27 13.00 5.73 <===
Show HD 152723 227479 16 56 55 -40 30 44 COO 289 AC 2016 10 253 7.9 7.27 9.48 2.21
Show 227479 16 56 55 -40 30 44 COO 289 AD 2016 10 237 15.2 7.27 9.61 2.34
Show 227479 16 56 55 -40 30 44 COO 289 AE 2016 2 339 38.2 7.27 12.70 5.43
Show 16 56 54 -40 30 47 COO 289 CD 1999 7 221 7.9 9.48 9.61 0.13
Sextuple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Scorpius SAO 227479 HIP 82936 Tycho2 7872-02169-1
Gaia DR2 5969698194333785088 HD 152723 GC 22819 CD CD-4010986
CP CP-40 7650 Distance 395.26 Distance ly 1289.34