18006+0256 BU  634CE

 
 
18h 00m 40.94s +02 55' 10.6" P.A. 266 sep 33.3 mag 8.06,11.00 Sp B2V
 
 
Coord 2000
18006+0256
Discov num
BU  634
Comp
CE
Coord arcsec 2000
18 00 40.94 +02 55 10.6
Date first
1878
Date last
2012
Obs
6
Pa first
266
Pa last
266
P.A. Now (θ)
266°
Sep first
32.8
Sep last
33.3
Sep. Now (ρ)
33.3"
Mag pri
8.06
Mag sec
11.00
delta mag (ΔM)
2.94
Spectral class
B2V (blue-white)
Pri motion ra
+001
Sec motion ra
Pri motion dec
-008
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
18006+0256 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 67 Oph 123013 18006+0256 BU 1124 AB 1889 1934 4 196 6.6 3.96 13.70 9.74
Show 123013 18006+0256 H 6 2 AC 1823 2014 44 142 54.3 3.96 8.06 4.10
Show 123013 18006+0256 BU 634 AE 1878 2012 7 180 45.3 3.96 11.00 7.04
Show 18006+0256 BU 634 CD 1878 2012 9 123 7.2 8.06 12.50 4.44
Show 18006+0256 BU 634 CE 1878 2012 6 266 33.3 8.06 11.00 2.94 <===
Quintuple system
5 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
266
Precise sep
33.26
Cdsa2 id
BU 634 CE
Constellation
Ophiuchus
Ra deg
18.01137222222222
De deg
2.919611111111111
last precise pa
266
last precise sep
33.26
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18006+0256 BU 634 CE 2002 4 266 33.2 8.06 11.10 180040.94+025510.6
18006+0256 BU 634 CE 2012 6 266 33.3 8.06 11.00 B2V N 180040.94+025510.6

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