18557+1254 ABH 107AF

 
 
18H 55M 43.67S +12 54' 30.1" P.A. 107 SEP 123 MAG 9.28,11.23 SP A5V
 
 
Coord 2000
18557+1254
Discov num
ABH 107
Comp
AF
Coord arcsec 2000
18 55 43.67 +12 54 30.1
Date first
1904
Date last
2002
Obs
8
Pa first
108
Pa last
107
P.A. Now (θ)
107°
Sep first
122.6
Sep last
123.0
Sep. Now (ρ)
123"
Mag pri
9.28
Mag sec
11.23
delta mag (ΔM)
1.95
Spectral class
A5V (white)
Pri motion ra
+009
Sec motion ra
+003
Pri motion dec
-005
Sec motion dec
+000
Notes
N U (See Notes, Proper motion indicates non-physical)
This double is not physical.
 
 
18557+1254 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18557+1254 COG 1 AB 1903 2015 9 284 26.2 9.28 11.92 2.64
Show 18557+1254 COG 1 AC 1893 2015 15 53 38.6 9.28 10.26 0.98
Show 18557+1254 ABH 107 AE 1988 2002 5 58 107.9 9.28 12.20 2.92
Show 18557+1254 ABH 107 AF 1904 2002 8 107 123.0 9.28 11.23 1.95 <===
Show 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
last precise pa
107.4
last precise sep
123.03