11554-7150 HDS 1680 Aa,Ab

 
 
11h 55m 21.35s -71° 49' 37.9" P.A. 208.00 sep 0.3 mag 8.90,10.44 Sp A1V dist. 427.35 pc (1394.02 l.y.)
 
 
Coord 2000 11554-7150 Discov num HDS1680 Comp Aa,Ab Coord arcsec 2000 11 55 21.35 -71 49 37.9
Date first 1991 Date last 2018 Obs 2
Pa first 210 Pa last 207.9 P.A. Now (θ) 207.9°
Sep first 0.2 Sep last 0.276 Sep. Now (ρ) 0.276"
Mag pri 8.90 Mag sec 10.44 delta mag (ΔM) 1.54 Spectral class A1V (white)
Pri motion ra -021 Sec motion ra
Pri motion dec +010 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
11554-7150 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 256883 11 55 21 -71 49 38 HDS 1680 Aa,Ab 2018 2 208 0.3 8.90 10.44 1.54 <===
Show 256883 11 55 21 -71 49 38 B 2733 AB 2015 4 83 33.4 8.64 13.60 4.96
Show 11 55 28 -71 49 34 B 2733 BC 2016 5 322 2.9 13.60 14.00 0.40
Quadruple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Musca SAO 256883 HIP 58127 Tycho2 9234-02477-1
Gaia DR2 5233213007880919680 HD 103575 CP CP-71 1295 Distance 427.35
Distance ly 1394.02