17287-3107 PRO 163

 
 
17h 28m 46.67s -31 06' 50.7" P.A. 17 sep 6.9 mag 10.77,11.40
 
 
Coord 2000
17287-3107
Discov num
PRO 163
Comp
Coord arcsec 2000
17 28 46.67 -31 06 50.7
Date first
1911
Date last
1998
Obs
3
Pa first
21
Pa last
17
P.A. Now (θ)
17°
Sep first
8.3
Sep last
6.9
Sep. Now (ρ)
6.9"
Mag pri
10.77
Mag sec
11.40
delta mag (ΔM)
0.63
Spectral class
Pri motion ra
+001
Sec motion ra
Pri motion dec
-002
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
16.6
Precise sep
6.89
Constellation
Scorpius
Tycho2
7375-00718-1
last precise pa
16.6
last precise sep
6.89
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17287-3107 PRO 163 1998 3 17 6.9 10.77 11.40 D 172846.67-310650.7

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