18393+6348 ES  126BC

 
 
18H 39M 27.45S +63 48' 15.9" P.A. 24 SEP 4.8 MAG 11.47,12.34
 
 
Coord 2000
18393+6348
Discov num
ES  126
Comp
BC
Coord arcsec 2000
18 39 27.45 +63 48 15.9
Date first
1898
Date last
2003
Obs
8
Pa first
31
Pa last
24
P.A. Now (θ)
24°
Sep first
4.8
Sep last
4.8
Sep. Now (ρ)
4.8"
Mag pri
11.47
Mag sec
12.34
delta mag (ΔM)
0.87
Spectral class
Pri motion ra
+000
Sec motion ra
-005
Pri motion dec
-029
Sec motion dec
-023
Notes
rPM=0.269 (< 0.3, Physical double)
This double is physical.
 
 
18393+6348 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 17965 18393+6348 ES 126 AB 1898 2003 8 52 72.6 8.36 11.47 3.11
Show 17965 18393+6348 ES 126 AD 2000 2003 2 55 46.0 8.36 13.29 4.93
Show 18393+6348 ES 126 BC 1898 2003 8 24 4.8 11.47 12.34 0.87 <===
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Draco
Tycho2
4223-01561-1
last precise pa
23.7
last precise sep
4.768