18131-2024 J  1621AC

 
 
18h 13m 05.58s -20 24' 28.1" P.A. 301 sep 15.8 mag 11.39,15.10
 
 
Coord 2000
18131-2024
Discov num
J  1621
Comp
AC
Coord arcsec 2000
18 13 05.58 -20 24 28.1
Date first
1941
Date last
1998
Obs
3
Pa first
290
Pa last
301
P.A. Now (θ)
301°
Sep first
18.0
Sep last
15.8
Sep. Now (ρ)
15.8"
Mag pri
11.39
Mag sec
15.10
delta mag (ΔM)
3.71
Spectral class
Pri motion ra
+003
Sec motion ra
Pri motion dec
-002
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
18131-2024 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18131-2024 ARA1141 AB 1919 1999 5 285 8.0 11.27 11.50 0.23
Show 18131-2024 J 1621 AC 1941 1998 3 301 15.8 11.39 15.10 3.71 <===
Show 18131-2024 SKF1038 CD 2000 2000 1 187 4.0 13.50 18.00 4.50
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
301
Precise sep
15.82
Constellation
Sagittarius
Tycho2
6272-00833-1
HD
312983
last precise pa
301
last precise sep
15.82
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18131-2024 J 1621 AC 1998 2 303 16.0 11.39 15.10 181305.58-202428.1

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