18421-7704 LDS 645

 
 
18h 42m 17.55s -77 03' 43.0" P.A. 231 sep 68.2 mag 13.78,12.90
 
 
Coord 2000
18421-7704
Discov num
LDS 645
Comp
Coord arcsec 2000
18 42 17.55 -77 03 43.0
Date first
1920
Date last
2010
Obs
6
Pa first
225
Pa last
231
P.A. Now (θ)
231°
Sep first
69.0
Sep last
68.2
Sep. Now (ρ)
68.2"
Mag pri
13.78
Mag sec
12.90
delta mag (ΔM)
0.88
Spectral class
Pri motion ra
+037
Sec motion ra
+054
Pri motion dec
-030
Sec motion dec
-052
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Octans
last precise pa
230.9
last precise sep
68.24
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18421-7704 LDS 645 2000 2 231 68.3 13.80 14.20 D 184217.55-770343.0
18421-7704 LDS 645 2010 6 231 68.2 13.78 12.90 184217.55-770343.0

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