18554+1118 SRW   7AB

 
 
18H 55M 24.61S +11 17' 16.5" P.A. 24 SEP 26.4 MAG 10.73,11.00 SP A:+A:
 
 
Coord 2000
18554+1118
Discov num
SRW   7
Comp
AB
Coord arcsec 2000
18 55 24.61 +11 17 16.5
Date first
1907
Date last
2010
Obs
9
Pa first
23
Pa last
24
P.A. Now (θ)
24°
Sep first
25.9
Sep last
26.4
Sep. Now (ρ)
26.4"
Mag pri
10.73
Mag sec
11.00
delta mag (ΔM)
0.27
Spectral class
A:+A: (white/white)
Pri motion ra
-001
Sec motion ra
+002
Pri motion dec
-006
Sec motion dec
-002
Notes
rPM=0.822
This double is not physical.
 
 
18554+1118 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18554+1118 SRW 7 AB 1907 2010 9 24 26.4 10.73 11.00 0.27 <===
Show 18554+1118 SRW 7 AC 1907 2010 9 322 29.0 10.73 11.56 0.83
Show 18554+1118 SRW 7 BC 1907 2010 10 267 28.6 11.00 11.56 0.56
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Aquila
Tycho2
1047-02261-1
last precise pa
23.5
last precise sep
26.42