17559-3117 PRO 191

 
 
17h 55m 51.22s -31 16' 49.2" P.A. 178 sep 11.6 mag 11.40,11.70
 
 
Coord 2000
17559-3117
Discov num
PRO 191
Comp
Coord arcsec 2000
17 55 51.22 -31 16 49.2
Date first
1909
Date last
1999
Obs
5
Pa first
180
Pa last
178
P.A. Now (θ)
178°
Sep first
11.4
Sep last
11.6
Sep. Now (ρ)
11.6"
Mag pri
11.40
Mag sec
11.70
delta mag (ΔM)
0.3
Spectral class
Pri motion ra
+000
Sec motion ra
+004
Pri motion dec
-002
Sec motion dec
-007
Notes
rPM=0.794
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
177.5
Precise sep
11.623
Constellation
Scorpius
last precise pa
177.5
last precise sep
11.623
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17559-3117 PRO 191 1998 2 178 11.6 11.40 11.70 D 175551.22-311649.2
17559-3117 PRO 191 1999 3 178 11.6 11.40 11.70 D 175551.22-311649.2

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