18335+0726 SCJ  18AD

 
 
18H 33M 26.99S +07 25' 49.0" P.A. 119 SEP 16.6 MAG 9.66,13.90 SP B8
 
 
Coord 2000
18335+0726
Discov num
SCJ  18
Comp
AD
Coord arcsec 2000
18 33 26.99 +07 25 49.0
Date first
1901
Date last
2001
Obs
3
Pa first
119
Pa last
119
P.A. Now (θ)
119°
Sep first
14.5
Sep last
16.6
Sep. Now (ρ)
16.6"
Mag pri
9.66
Mag sec
13.90
delta mag (ΔM)
4.24
Spectral class
B8 (blue-white)
Pri motion ra
-021
Sec motion ra
-001
Pri motion dec
+005
Sec motion dec
-016
Notes
N W (See Notes, )
Nature of this double is uncertain.
 
 
18335+0726 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18335+0726 SCJ 18 AB 1901 2016 20 197 46.0 9.66 9.77 0.11
Show 18335+0726 SLE 690 AC 1919 2001 5 304 87.7 9.66 11.38 1.72
Show 18335+0726 SCJ 18 AD 1901 2001 3 119 16.6 9.66 13.90 4.24 <===
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Ophiuchus
Tycho2
0458-00475-1
last precise pa
119.3
last precise sep
16.584