12121-6614 MLO  39AB

 
 
12h 12m 06.21s -66 14' 04.8" P.A. 201 sep 5.9 mag 9.16,12.40 Sp B1/2III
 
 
Coord 2000
12121-6614
Discov num
MLO  39
Comp
AB
Coord arcsec 2000
12 12 06.21 -66 14 04.8
Date first
1910
Date last
2000
Obs
5
Pa first
203
Pa last
201
P.A. Now (θ)
201°
Sep first
6.2
Sep last
5.9
Sep. Now (ρ)
5.9"
Mag pri
9.16
Mag sec
12.40
delta mag (ΔM)
3.24
Spectral class
B1/2III (blue-white)
Pri motion ra
+004
Sec motion ra
Pri motion dec
+015
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
12121-6614 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 12121-6614 MLO 39 AB 1910 2000 5 201 5.9 9.16 12.40 3.24 <===
Show 12121-6614 SIN 71 AC 1910 2000 4 289 50.5 9.17 12.04 2.87
Show 12121-6614 SIN 71 AD 1987 2000 3 278 69.7 9.17 13.77 4.60
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
201
Precise sep
5.85
Constellation
Musca
Tycho2
8986-02194-1
HD
106017
last precise pa
201
last precise sep
5.85
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12121-6614 MLO 39 AB 2000 4 201 5.9 9.16 12.40 B1/2III D 121206.21-661404.8

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