18427+1152 AG  364BC

 
 
18h 42m 39.79s +11 51' 48.8" P.A. 144 sep 8.6 mag 10.13,11.59
 
 
Coord 2000
18427+1152
Discov num
AG  364
Comp
BC
Coord arcsec 2000
18 42 39.79 +11 51 48.8
Date first
1895
Date last
2017
Obs
13
Pa first
154
Pa last
144
P.A. Now (θ)
144°
Sep first
8.9
Sep last
8.6
Sep. Now (ρ)
8.6"
Mag pri
10.13
Mag sec
11.59
delta mag (ΔM)
1.46
Spectral class
Pri motion ra
+000
Sec motion ra
+006
Pri motion dec
-008
Sec motion dec
-009
Notes
rPM=0.562
Nature of this double is uncertain.
 
 
18427+1152 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18427+1152 AG 364 AB 1894 2017 14 2 29.8 9.57 10.13 0.56
Show 18427+1152 AG 364 AC 1907 2017 11 14 23.6 9.57 11.59 2.02
Show 18427+1152 AG 364 BC 1895 2017 13 144 8.6 10.13 11.59 1.46 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
144.4
Precise sep
8.559
Constellation
Ophiuchus
last precise pa
144.4
last precise sep
8.559
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18427+1152 AG 364 BC 2007 8 144 8.6 10.13 11.59 184239.79+115148.8
18427+1152 AG 364 BC 2017 13 144 8.6 10.13 11.59 184239.79+115148.8

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