16543-4149 B 1834 CD

 
 
16h 54m 19.70s -41° 49' 11.5" P.A. 313.00 sep 4.6 mag 6.63,13.30 Sp WC7+O5 dist. 970.87 pc (3166.98 l.y.)
 
 
Coord 2000 16543-4149 Discov num B  1834 Comp CD Coord arcsec 2000 16 54 19.70 -41 49 11.5
Date first 1931 Date last 2015 Obs 2
Pa first 312 Pa last 313.1 P.A. Now (θ) 313.1°
Sep first 4.3 Sep last 4.61 Sep. Now (ρ) 4.61"
Mag pri 6.63 Mag sec 13.30 delta mag (ΔM) 6.67 Spectral class WC7+O5 (Wolf-Rayet/blue)
Pri motion ra +000 Sec motion ra
Pri motion dec -004 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
16543-4149 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 16 54 17 -41 49 16 BRT 929 AB 2015 4 197 3.9 8.63 11.00 2.37
Show 227390 16 54 20 -41 49 12 B 1834 CD 2015 2 313 4.6 6.63 13.30 6.67 <===
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Scorpius SAO 227390 HIP 82706 Tycho2 7876-02640-1
Gaia DR2 5966509541883497984 HD 152270 HR 6265 GC 22742
CD CD-4111041 CP CP-41 7741 Distance 970.87 Distance ly 3166.98