17307+1120 GWP2717AC

 
 
17H 30M 41.88S +11 19' 30.5" P.A. 19 SEP 19.8 MAG 13.70,13.10
 
 
Coord 2000
17307+1120
Discov num
GWP2717
Comp
AC
Coord arcsec 2000
17 30 41.88 +11 19 30.5
Date first
1991
Date last
2001
Obs
3
Pa first
22
Pa last
19
P.A. Now (θ)
19°
Sep first
18.6
Sep last
19.8
Sep. Now (ρ)
19.8"
Mag pri
13.70
Mag sec
13.10
delta mag (ΔM)
0.6
Spectral class
Pri motion ra
+054
Sec motion ra
+060
Pri motion dec
-042
Sec motion dec
-041
Notes
V R (Proper motion indicates physical, Red magnitudes)
rPM=0.08400000000000001 (< 0.3, Physical double)
This double is physical.
 
 
17307+1120 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 17307+1120 GWP2717 AB 2000 2001 2 150 2.9 13.70 14.10 0.40
Show 17307+1120 GWP2717 AC 1991 2001 3 19 19.8 13.70 13.10 0.60 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Ophiuchus
last precise pa
19.2
last precise sep
19.793