18553+1144 ROE 113AC

 
 
18h 55m 14.38s +11 43' 54.3" P.A. 303 sep 21.3 mag 11.30,11.41 Sp G5
 
 
Coord 2000
18553+1144
Discov num
ROE 113
Comp
AC
Coord arcsec 2000
18 55 14.38 +11 43 54.3
Date first
1910
Date last
2012
Obs
9
Pa first
308
Pa last
303
P.A. Now (θ)
303°
Sep first
21.9
Sep last
21.3
Sep. Now (ρ)
21.3"
Mag pri
11.30
Mag sec
11.41
delta mag (ΔM)
0.11
Spectral class
G5 (yellow)
Pri motion ra
+004
Sec motion ra
+002
Pri motion dec
+002
Sec motion dec
-009
Notes
rPM=1.213
This double is not physical.
 
 
18553+1144 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18553+1144 ROE 113 AB 1917 2012 5 186 1.7 11.28 11.64 0.36
Show 18553+1144 ROE 113 AC 1910 2012 9 303 21.3 11.30 11.41 0.11 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
303.1
Precise sep
21.33
Constellation
Aquila
Tycho2
1047-00769-1
HD
230051
last precise pa
303.1
last precise sep
21.33
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18553+1144 ROE 113 AC 1999 6 305 21.5 11.30 11.41 D 185514.38+114354.3
18553+1144 ROE 113 AC 2001 8 305 21.6 11.30 11.41 D 185514.38+114354.3
18553+1144 ROE 113 AC 2012 9 303 21.3 11.30 11.41 D 185514.38+114354.3

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