16021-5107 B 1796 AB

 
 
16h 02m 04.49s -51° 07' 14.6" P.A. 260.00 sep 6.7 mag 6.39,14.00 Sp B5V dist. 197.63 pc (644.67 l.y.)
 
 
Coord 2000 16021-5107 Discov num B  1796 Comp AB Coord arcsec 2000 16 02 04.49 -51 07 14.6
Date first 1933 Date last 2015 Obs 4
Pa first 257 Pa last 259.5 P.A. Now (θ) 259.5°
Sep first 5.2 Sep last 6.676 Sep. Now (ρ) 6.676"
Mag pri 6.39 Mag sec 14.00 delta mag (ΔM) 7.61 Spectral class B5V (blue-white)
Pri motion ra -013 Sec motion ra
Pri motion dec -018 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
16021-5107 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 243262 16 02 04 -51 07 15 B 1796 AB 2015 4 260 6.7 6.39 14.00 7.61 <===
Show HD 143321 243262 16 02 04 -51 07 15 B 1796 AC 2016 4 296 11.4 6.39 11.20 4.81
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Norma SAO 243262 HIP 78540 Tycho2 8322-00322-1
Gaia DR2 5981767219915502976 HD 143321 GC 21505 CD CD-5010074
CP CP-50 8886 Distance 197.63 Distance ly 644.67