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=0.084 (< 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
 
 
Precise pa
19.2
Precise sep
19.793
Cdsa2 id
GWP 2717 AC
Constellation
Ophiuchus
Ra deg
17.511633333333332
De deg
11.325138888888889
last precise pa
19.2
last precise sep
19.793
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17307+1120 GWP2717 AC 2001 3 19 19.8 13.70 13.10 V R 173041.88+111930.5

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