18130+0243 BAL1959AB

 
 
18h 13m 00.89s +02 42' 20.6" P.A. 32 sep 23.1 mag 11.40,11.50
 
 
Coord 2000
18130+0243
Discov num
BAL1959
Comp
AB
Coord arcsec 2000
18 13 00.89 +02 42 20.6
Date first
1910
Date last
2016
Obs
6
Pa first
30
Pa last
32
P.A. Now (θ)
32°
Sep first
23.9
Sep last
23.1
Sep. Now (ρ)
23.1"
Mag pri
11.40
Mag sec
11.50
delta mag (ΔM)
0.1
Spectral class
Pri motion ra
+001
Sec motion ra
+000
Pri motion dec
-008
Sec motion dec
-017
Notes
rPM=0.533
Nature of this double is uncertain.
 
 
18130+0243 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18130+0243 BAL1959 AB 1910 2016 6 32 23.1 11.40 11.50 0.10 <===
Show 18130+0243 BAL1959 AC 1910 2016 6 67 15.4 11.40 11.50 0.10
Show 18130+0243 BAL1959 BC 1910 2016 6 172 13.8 11.50 11.50 0.00
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
31.5
Precise sep
23.067
Constellation
Ophiuchus
last precise pa
31.5
last precise sep
23.067
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18130+0243 BAL1959 AB 2002 4 33 22.4 11.40 11.50 D 181300.89+024220.6
18130+0243 BAL1959 AB 2016 6 32 23.1 11.40 11.50 181300.89+024220.6

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