18054-3146 B  1349AC

 
 
18h 05m 26.92s -31 46' 08.5" P.A. 290 sep 5.8 mag 9.61,14.10 Sp F5
 
 
Coord 2000
18054-3146
Discov num
B  1349
Comp
AC
Coord arcsec 2000
18 05 26.92 -31 46 08.5
Date first
1930
Date last
2000
Obs
3
Pa first
263
Pa last
290
P.A. Now (θ)
290°
Sep first
5.8
Sep last
5.8
Sep. Now (ρ)
5.8"
Mag pri
9.61
Mag sec
14.10
delta mag (ΔM)
4.49
Spectral class
F5 (yellow-white)
Pri motion ra
-013
Sec motion ra
Pri motion dec
-039
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
18054-3146 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18054-3146 B 1349 AB 1930 1960 2 142 1.2 9.61 11.70 2.09
Show 18054-3146 B 1349 AC 1930 2000 3 290 5.8 9.61 14.10 4.49 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
290.2
Precise sep
5.75
Constellation
Sagittarius
Tycho2
7391-00972-1
HD
318927
last precise pa
290.2
last precise sep
5.75
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18054-3146 B 1349 AC 1930 1 263 5.8 9.61 14.10 180526.92-314608.5
18054-3146 B 1349 AC 2000 3 290 5.8 9.61 14.10 180526.92-314608.5
18054-3146 B 1349 AC 2010 4 293 5.0 9.61 14.10 F5 180526.92-314608.5

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