16439-4730 CPO 487AC

 
 
16H 43M 52.66S -47 30' 39.4" P.A. 138 SEP 8.7 MAG 9.89,11.10 SP O
 
 
Coord 2000
16439-4730
Discov num
CPO 487
Comp
AC
Coord arcsec 2000
16 43 52.66 -47 30 39.4
Date first
1904
Date last
1999
Obs
5
Pa first
140
Pa last
138
P.A. Now (θ)
138°
Sep first
9.0
Sep last
8.7
Sep. Now (ρ)
8.7"
Mag pri
9.89
Mag sec
11.10
delta mag (ΔM)
1.21
Spectral class
O (blue)
Pri motion ra
+004
Sec motion ra
+012
Pri motion dec
+017
Sec motion dec
-026
Notes
Nature of this double is uncertain.
 
 
16439-4730 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 227115 16439-4730 CPO 487 AB 1904 1999 4 206 5.2 9.89 12.40 2.51
Show 227115 16439-4730 CPO 487 AC 1904 1999 5 138 8.7 9.89 11.10 1.21 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Ara
SAO
227115
Tycho2
8330-02974-1
HD
328867
last precise pa
137.5
last precise sep
8.66