18557+1254 COG   1CD

 
 
18H 55M 45.80S +12 54' 53.1" P.A. 315 SEP 3.4 MAG 10.26,11.96 DIST. 110.38 PC (360.06 L.Y.)
 
 
Coord 2000
18557+1254
Discov num
COG   1
Comp
CD
Coord arcsec 2000
18 55 45.80 +12 54 53.1
Date first
1904
Date last
2002
Obs
15
Pa first
317
Pa last
315
P.A. Now (θ)
315°
Sep first
1.9
Sep last
3.4
Sep. Now (ρ)
3.4"
Mag pri
10.26
Mag sec
11.96
delta mag (ΔM)
1.7
Spectral class
Pri motion ra
+011
Sec motion ra
+007
Pri motion dec
-002
Sec motion dec
+004
Notes
N (See Notes)
rPM=0.645
Nature of this double is uncertain.
 
 
18557+1254 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 104265 18557+1254 COG 1 AB 1903 2015 9 284 26.2 9.28 11.92 2.64
Show 104265 18557+1254 COG 1 AC 1893 2015 15 53 38.6 9.28 10.26 0.98
Show 104265 18557+1254 ABH 107 AE 1988 2002 5 58 107.9 9.28 12.20 2.92
Show 104265 18557+1254 ABH 107 AF 1904 2002 8 107 123.0 9.28 11.23 1.95
Show 104265 18557+1254 ABH 107 AG 1988 2002 5 251 97.6 9.28 13.59 4.31
Show 18557+1254 COG 1 CD 1904 2002 15 315 3.4 10.26 11.96 1.70 <===
Septuple system
7 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Hercules
HIP
92903
Tycho2
1047-03218-1
Distance
110.38
Distance ly
360.06
last precise pa
315.4
last precise sep
3.38