17308+0844 J  2113AB

 
 
17h 30m 47.05s +08 43' 51.5" P.A. 280.00 sep 2.8 mag 12.20,12.60
 
 
Coord 2000
17308+0844
Discov num
J  2113
Comp
AB
Coord arcsec 2000
17 30 47.05 +08 43 51.5
Date first
1942
Date last
2015
Obs
8
Pa first
260
Pa last
280
P.A. Now (θ)
280°
Sep first
2.0
Sep last
2.8
Sep. Now (ρ)
2.8"
Mag pri
12.20
Mag sec
12.60
delta mag (ΔM)
0.4
Spectral class
Pri motion ra
+021
Sec motion ra
+000
Pri motion dec
-019
Sec motion dec
-002
Notes
rPM=0.954
This double is not physical.
 
 
17308+0844 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 17 30 47 +08 43 52 J 2113 AB 2015 8 280 2.8 12.20 12.60 0.40 <===
Show 17 30 47 +08 43 52 J 2113 AC 2015 6 279 37.3 12.62 13.54 0.92
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
279.6
Precise sep
2.754
Constellation
Ophiuchus
Gaia DR2
4490675731477015808
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17308+0844 J 2113 AB 1953 2 260 3.4 12.20 12.60 173047.05+084351.5
17308+0844 J 2113 AB 2005 4 277 2.9 12.20 12.60 173047.05+084351.5
17308+0844 J 2113 AB 2015 8 280 2.8 12.20 12.60 173047.05+084351.5

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