18261-2740 J  2211AB

 
 
18h 25m 59.98s -27 40' 57.2" P.A. 49 sep 5.8 mag 11.27,11.30 Sp A7V
 
 
Coord 2000
18261-2740
Discov num
J  2211
Comp
AB
Coord arcsec 2000
18 25 59.98 -27 40 57.2
Date first
1942
Date last
1999
Obs
3
Pa first
45
Pa last
49
P.A. Now (θ)
49°
Sep first
5.0
Sep last
5.8
Sep. Now (ρ)
5.8"
Mag pri
11.27
Mag sec
11.30
delta mag (ΔM)
0.03
Spectral class
A7V (white)
Pri motion ra
-013
Sec motion ra
+071
Pri motion dec
-010
Sec motion dec
+052
Notes
rPM=1.186
This double is not physical.
 
 
18261-2740 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18261-2740 J 2211 AB 1942 1999 3 49 5.8 11.27 11.30 0.03 <===
Show 18261-2740 J 2211 AC 1942 1999 3 197 11.4 11.27 13.78 2.51
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
48.6
Precise sep
5.834
Constellation
Sagittarius
Tycho2
6865-01350-1
last precise pa
48.6
last precise sep
5.834
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18261-2740 J 2211 AB 1998 2 49 5.9 11.27 11.30 D 182559.98-274057.2
18261-2740 J 2211 AB 1999 3 49 5.8 11.27 11.30 D 182559.98-274057.2

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