18175-4245 CPO 579

 
 
18h 17m 29.74s -42 44' 41.6" P.A. 256 sep 3 mag 10.89,11.33
 
 
Coord 2000
18175-4245
Discov num
CPO 579
Comp
Coord arcsec 2000
18 17 29.74 -42 44 41.6
Date first
1901
Date last
2015
Obs
4
Pa first
244
Pa last
256
P.A. Now (θ)
256°
Sep first
3.9
Sep last
3.0
Sep. Now (ρ)
3"
Mag pri
10.89
Mag sec
11.33
delta mag (ΔM)
0.44
Spectral class
Pri motion ra
+027
Sec motion ra
-037
Pri motion dec
+018
Sec motion dec
-019
Notes
rPM=0.079 (< 0.3, Physical double)
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Spectr
M1+M3
last precise pa
255.9
last precise sep
3.029
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18175-4245 CPO 579 1991 2 251 3.1 10.89 11.33 181729.74-424441.6
18175-4245 CPO 579 1998 3 253 3.0 10.89 11.33 181729.74-424441.6
18175-4245 CPO 579 2015 4 256 3.0 10.89 11.33 181729.74-424441.6

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