18180-3538 B   425AC

 
 
18h 18m 00.49s -35 37' 52.1" P.A. 356 sep 7.2 mag 10.28,11.10 Sp G5
 
 
Coord 2000
18180-3538
Discov num
B   425
Comp
AC
Coord arcsec 2000
18 18 00.49 -35 37 52.1
Date first
1912
Date last
1998
Obs
7
Pa first
350
Pa last
356
P.A. Now (θ)
356°
Sep first
6.7
Sep last
7.2
Sep. Now (ρ)
7.2"
Mag pri
10.28
Mag sec
11.10
delta mag (ΔM)
0.82
Spectral class
G5 (yellow)
Pri motion ra
+007
Sec motion ra
+009
Pri motion dec
-013
Sec motion dec
+019
Notes
rPM=1.525
This double is not physical.
 
 
18180-3538 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18180-3538 B 425 AB 1928 1928 1 59 2.3 10.28 14.10 3.82
Show 18180-3538 B 425 AC 1912 1998 7 356 7.2 10.28 11.10 0.82 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
355.7
Precise sep
7.237
Constellation
Sagittarius
Tycho2
7405-01793-1
HD
321573
last precise pa
355.7
last precise sep
7.237
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18180-3538 B 425 AC 1998 6 355 7.4 10.28 11.10 G5 D 181800.49-353752.1

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