17307+1120 GWP2717AB

 
 
17h 30m 41.88s +11 19' 30.5" P.A. 150 sep 2.9 mag 13.70,14.10
 
 
Coord 2000
17307+1120
Discov num
GWP2717
Comp
AB
Coord arcsec 2000
17 30 41.88 +11 19 30.5
Date first
2000
Date last
2001
Obs
2
Pa first
149
Pa last
150
P.A. Now (θ)
150°
Sep first
2.7
Sep last
2.9
Sep. Now (ρ)
2.9"
Mag pri
13.70
Mag sec
14.10
delta mag (ΔM)
0.4
Spectral class
Pri motion ra
+054
Sec motion ra
+027
Pri motion dec
-042
Sec motion dec
-010
Notes
V R (Proper motion indicates physical, Red magnitudes)
rPM=0.612
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
149.8
Precise sep
2.874
Constellation
Ophiuchus
last precise pa
149.8
last precise sep
2.874
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17307+1120 GWP2717 AB 2001 2 150 2.9 13.70 14.10 V R 173041.88+111930.5

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