16439-4730 CPO 487AB

 
 
16h 43m 52.66s -47 30' 39.4" P.A. 206 sep 5.2 mag 9.89,12.40 Sp O
 
 
Coord 2000
16439-4730
Discov num
CPO 487
Comp
AB
Coord arcsec 2000
16 43 52.66 -47 30 39.4
Date first
1904
Date last
1999
Obs
4
Pa first
214
Pa last
206
P.A. Now (θ)
206°
Sep first
5.7
Sep last
5.2
Sep. Now (ρ)
5.2"
Mag pri
9.89
Mag sec
12.40
delta mag (ΔM)
2.51
Spectral class
O (blue)
Pri motion ra
+004
Sec motion ra
Pri motion dec
+017
Sec motion dec
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
 
 
Precise pa
206.4
Precise sep
5.23
Constellation
Ara
SAO
227115
Tycho2
8330-02974-1
HD
328867
last precise pa
206.4
last precise sep
5.23
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16439-4730 CPO 487 AB 1999 4 206 5.2 9.89 12.40 O D 164352.66-473039.4

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