12221-6731 HDS 1742 Aa,Ab

12h 22m 07.39s -67° 31' 19.5" P.A. 128.00 sep 0.5 mag 5.26,8.71 Sp Am dist. 101.11 pc (329.82 l.y.)

Coord 2000 12221-6731 Discov num HDS1742 Comp Aa,Ab Coord arcsec 2000 12 22 07.39 -67 31 19.5
Date first 1991 Date last 1991 Obs 1
Pa first 128 Pa last 128 P.A. Now (θ) 128°
Sep first 0.5 Sep last 0.506 Sep. Now (ρ) 0.506"
Mag pri 5.26 Mag sec 8.71 delta mag (ΔM) 3.45 Spectral class Am (white)
Pri motion ra -031 Sec motion ra
Pri motion dec -005 Sec motion dec
Notes N (See Notes)




Nature of this double is uncertain.



12221-6731 SYSTEM COMPONENTS

Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 251866 12 22 07 -67 31 20 HDS 1742 Aa,Ab 1991 1 128 0.5 5.26 8.71 3.45 <===
Show Zet2 Mus 251866 12 22 07 -67 31 20 HDO 215 AB 2015 10 126 32.7 5.17 10.61 5.44


Triple system
2 estimated visually detectable stars in this system



OTHER CATALOGS AND DESIGNATIONS

Constellation Musca SAO 251866 HIP 60320 Tycho2 9227-01699-1
Gaia DR2 5859445146896955520 HD 107566 HR 4703 GC 16857
CP CP-66 1747 Bayer Zeta 2 Muscae Bayer name Zet2 Mus FK5 2990
Distance 101.11 Distance ly 329.82 Bayer greek ζ2 Mus