18341+1742 J  2915AB

 
 
18h 34m 13.98s +17 40' 43.5" P.A. 189 sep 6 mag 13.00,13.00
 
 
Coord 2000
18341+1742
Discov num
J  2915
Comp
AB
Coord arcsec 2000
18 34 13.98 +17 40 43.5
Date first
1944
Date last
2001
Obs
4
Pa first
185
Pa last
189
P.A. Now (θ)
189°
Sep first
4.0
Sep last
6.0
Sep. Now (ρ)
6"
Mag pri
13.00
Mag sec
13.00
delta mag (ΔM)
0
Spectral class
Pri motion ra
-018
Sec motion ra
-014
Pri motion dec
+020
Sec motion dec
-020
Notes
rPM=1.494
This double is not physical.
 
 
18341+1742 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18341+1742 J 2915 AB 1944 2001 4 189 6.0 13.00 13.00 0.00 <===
Show 18341+1742 J 2915 AC 1944 2001 4 85 7.1 13.00 13.80 0.80
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
189
Precise sep
5.988
Constellation
Hercules
last precise pa
189
last precise sep
5.988
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18341+1742 J 2915 AB 2000 3 188 5.9 13.00 13.00 D 183414.10+174041.9
18341+1742 J 2915 AB 2001 4 189 6.0 13.00 13.00 D 183414.10+174041.9

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