12121-6614 SIN  71AC

 
 
12h 12m 06.21s -66 14' 04.8" P.A. 289 sep 50.5 mag 9.17,12.04 Sp B1/2III
 
 
Coord 2000
12121-6614
Discov num
SIN  71
Comp
AC
Coord arcsec 2000
12 12 06.21 -66 14 04.8
Date first
1910
Date last
2000
Obs
4
Pa first
288
Pa last
289
P.A. Now (θ)
289°
Sep first
50.8
Sep last
50.5
Sep. Now (ρ)
50.5"
Mag pri
9.17
Mag sec
12.04
delta mag (ΔM)
2.87
Spectral class
B1/2III (blue-white)
Pri motion ra
+004
Sec motion ra
+004
Pri motion dec
+015
Sec motion dec
+005
Notes
rPM=0.644
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
288.5
Precise sep
50.51
Cdsa2 id
SIN 71 AC
Constellation
Musca
Tycho2
8986-02194-1
HD
106017
Ra deg
12.201725
De deg
-66.23466666666667
last precise pa
288.5
last precise sep
50.51
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12121-6614 SIN 71 AC 2000 3 289 50.5 9.16   D 121206.21-661404.8

If you need more information about this double, apply for a data request form to the WDS.