18554-0552 J  2241AB

 
 
18h 55m 28.05s -05 51' 27.8" P.A. 215 sep 29.5 mag 10.52,11.82
 
 
Coord 2000
18554-0552
Discov num
J  2241
Comp
AB
Coord arcsec 2000
18 55 28.05 -05 51 27.8
Date first
1896
Date last
2015
Obs
9
Pa first
212
Pa last
215
P.A. Now (θ)
215°
Sep first
28.7
Sep last
29.5
Sep. Now (ρ)
29.5"
Mag pri
10.52
Mag sec
11.82
delta mag (ΔM)
1.3
Spectral class
Pri motion ra
+012
Sec motion ra
-003
Pri motion dec
-002
Sec motion dec
+003
Notes
rPM=1.3
This double is not physical.
 
 
18554-0552 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18554-0552 J 2241 AB 1896 2015 9 215 29.5 10.52 11.82 1.30 <===
Show 18554-0552 J 2241 BC 1942 2015 8 258 5.3 11.82 13.80 1.98
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
214.7
Precise sep
29.53
Constellation
Scutum
Tycho2
5127-04513-1
last precise pa
214.7
last precise sep
29.53
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18554-0552 J 2241 AB 2007 6 214 30.2 10.52 11.82 D 185528.05-055127.8
18554-0552 J 2241 AB 2009 7 214 29.8 10.52 11.82 D 185528.05-055127.8
18554-0552 J 2241 AB 2015 9 215 29.5 10.52 11.82 185528.05-055127.8

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