18400+1724 SLE 231AB

 
 
18H 40M 02.68S +17 24' 07.8" P.A. 110 SEP 18.1 MAG 12.30,12.80
 
 
Coord 2000
18400+1724
Discov num
SLE 231
Comp
AB
Coord arcsec 2000
18 40 02.68 +17 24 07.8
Date first
1904
Date last
2013
Obs
8
Pa first
110
Pa last
110
P.A. Now (θ)
110°
Sep first
17.9
Sep last
18.1
Sep. Now (ρ)
18.1"
Mag pri
12.30
Mag sec
12.80
delta mag (ΔM)
0.5
Spectral class
Pri motion ra
+000
Sec motion ra
+002
Pri motion dec
-003
Sec motion dec
-003
Notes
Nature of this double is uncertain.
 
 
18400+1724 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18400+1724 SLE 231 AB 1904 2013 8 110 18.1 12.30 12.80 0.50 <===
Show 18400+1724 TOB 294 BC 1982 2001 3 149 19.9 12.80 14.90 2.10
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Hercules
Tycho2
1587-01731-1
last precise pa
110
last precise sep
18.1