18557+1254 COG 1 CD

 
 
18h 55m 45.80s +12° 54' 53.1" P.A. 316.00 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 2015 Obs 16
Pa first 317 Pa last 316 P.A. Now (θ) 316°
Sep first 1.9 Sep last 3.39 Sep. Now (ρ) 3.39"
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 wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 230093 104265 18 55 44 +12 54 30 COG 1 AB 2015 14 284 26.2 9.28 11.92 2.64
Show 104265 18 55 44 +12 54 30 COG 1 AC 2015 16 53 38.6 9.28 10.26 0.98
Show 104265 18 55 44 +12 54 30 ABH 107 AE 2015 10 58 107.5 9.28 12.20 2.92
Show 104265 18 55 44 +12 54 30 ABH 107 AF 2015 12 107 122.5 9.28 11.23 1.95
Show 104265 18 55 44 +12 54 30 ABH 107 AG 2015 10 251 97.8 9.28 13.59 4.31
Show 18 55 46 +12 54 53 COG 1 CD 2015 16 316 3.4 10.26 11.96 1.70 <===
Septuple system
7 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Hercules HIP 92903 Tycho2 1047-03218-1 Gaia DR2 4505977909720126848
ADS 11843 Distance 110.38 Distance ly 360.06