18557+1254 ABH 107AF

 
 
18h 55m 43.67s +12 54' 30.1" P.A. 107 sep 123 mag 9.28,11.23 Sp A5V dist. 763.36 pc (2490.08 l.y.)
 
 
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)
rPM=0.759
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 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
 
 
Precise pa
107.4
Precise sep
123.03
Constellation
Hercules
SAO
104265
HIP
92898
Tycho2
1047-01718-1
HD
230093
BD
BD+12 3722
Distance
763.36
Distance ly
2490.08
last precise pa
107.4
last precise sep
123.03
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18557+1254 ABH 107 AF 2002 6 107 123.0 9.28 11.23 A5V D 185543.67+125430.1

If you need more information about this double, apply for a data request form to the WDS.