18582-7521 I   640

 
 
18h 58m 12.44s -75 20' 55.7" P.A. 318 sep 2.5 mag 10.82,11.80 Sp G5
 
 
Coord 2000
18582-7521
Discov num
I   640
Comp
Coord arcsec 2000
18 58 12.44 -75 20 55.7
Date first
1909
Date last
1913
Obs
2
Pa first
315
Pa last
318
P.A. Now (θ)
318°
Sep first
1.5
Sep last
2.5
Sep. Now (ρ)
2.5"
Mag pri
10.82
Mag sec
11.80
delta mag (ΔM)
0.98
Spectral class
G5 (yellow)
Pri motion ra
-024
Sec motion ra
Pri motion dec
+018
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
317.8
Precise sep
2.47
Constellation
Octans
last precise pa
317.8
last precise sep
2.47
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18582-7521 I 640 1913 2 318 2.5 10.82 11.80 G5 185812.44-752055.7

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