12221-6731 HDS1742Aa,Ab

 
 
12H 22M 07.39S -67 31' 19.5" P.A. 128 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
0.5
Sep. Now (ρ)
0.5"
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_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 251866 12221-6731 HDS1742 Aa,Ab 1991 1991 1 128 0.5 5.26 8.71 3.45 <===
Show Zet2 Mus 251866 12221-6731 HDO 215 AB 1891 2000 9 127 32.6 5.17 10.61 5.44
Triple system
2 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Musca
SAO
251866
HIP
60320
Tycho2
9227-01699-1
HD
107566
HR
4703
GC
16857
CP
CP-66 1747
Bayer
Zeta 2 Muscae
Bayer name
Zet2 Mus
Distance
101.11
Distance ly
329.82
last precise pa
128
last precise sep
0.506