17548-3145 PRO 187

 
 
17h 54m 47.12s -31 44' 51.2" P.A. 176 sep 9.6 mag 12.30,13.00
 
 
Coord 2000
17548-3145
Discov num
PRO 187
Comp
Coord arcsec 2000
17 54 47.12 -31 44 51.2
Date first
1909
Date last
1999
Obs
4
Pa first
176
Pa last
176
P.A. Now (θ)
176°
Sep first
9.0
Sep last
9.6
Sep. Now (ρ)
9.6"
Mag pri
12.30
Mag sec
13.00
delta mag (ΔM)
0.7
Spectral class
Pri motion ra
+005
Sec motion ra
+000
Pri motion dec
-003
Sec motion dec
-010
Notes
rPM=0.86
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
176.4
Precise sep
9.61
Constellation
Scorpius
Tycho2
7378-01141-1
last precise pa
176.4
last precise sep
9.61
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17548-3145 PRO 187 1909 1 176 9.0 11.10 11.70 175450.73-314457.5
17548-3145 PRO 187 1998 2 177 9.6 12.30 13.00 D 175447.12-314451.2
17548-3145 PRO 187 1999 3 177 9.5 12.30 13.00 D 175447.12-314451.2
17548-3145 PRO 187 2010 5 176 10.8 12.30 13.00 175447.12-314451.2

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