16542-4312 CPO 499

 
 
16h 54m 09.44s -43 11' 41.3" P.A. 189 sep 3.2 mag 9.92,10.70 Sp G5
 
 
Coord 2000
16542-4312
Discov num
CPO 499
Comp
Coord arcsec 2000
16 54 09.44 -43 11 41.3
Date first
1901
Date last
2000
Obs
2
Pa first
182
Pa last
189
P.A. Now (θ)
189°
Sep first
4.3
Sep last
3.2
Sep. Now (ρ)
3.2"
Mag pri
9.92
Mag sec
10.70
delta mag (ΔM)
0.78
Spectral class
G5 (yellow)
Pri motion ra
-008
Sec motion ra
Pri motion dec
-045
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
189.3
Precise sep
3.21
Constellation
Scorpius
Tycho2
7880-00485-1
HD
326409
last precise pa
189.3
last precise sep
3.21
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16542-4312 CPO 499 1901 1 182 4.3 9.92 10.70 G5 165409.44-431141.3
16542-4312 CPO 499 2000 2 189 3.2 9.92 10.70 G5 165409.44-431141.3

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