18558+5240 ES  650AC

 
 
18H 55M 46.13S +52 40' 15.8" P.A. 196 SEP 26.7 MAG 10.29,11.61 SP G5
 
 
Coord 2000
18558+5240
Discov num
ES  650
Comp
AC
Coord arcsec 2000
18 55 46.13 +52 40 15.8
Date first
1897
Date last
2008
Obs
8
Pa first
193
Pa last
196
P.A. Now (θ)
196°
Sep first
27.9
Sep last
26.7
Sep. Now (ρ)
26.7"
Mag pri
10.29
Mag sec
11.61
delta mag (ΔM)
1.32
Spectral class
G5 (yellow)
Pri motion ra
+004
Sec motion ra
-010
Pri motion dec
-021
Sec motion dec
-006
Notes
Nature of this double is uncertain.
 
 
18558+5240 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18558+5240 ES 650 AB 1908 2000 3 329 4.4 10.29 13.50 3.21
Show 18558+5240 ES 650 AC 1897 2008 8 196 26.7 10.29 11.61 1.32 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Draco
Tycho2
3919-01615-1
HD
234755
last precise pa
196.4
last precise sep
26.67