18011-1952 A  2387AB

 
 
18h 01m 04.10s -19 52' 22.6" P.A. 44 sep 1 mag 8.95,10.90 Sp A9V
 
 
Coord 2000
18011-1952
Discov num
A  2387
Comp
AB
Coord arcsec 2000
18 01 04.10 -19 52 22.6
Date first
1910
Date last
1991
Obs
5
Pa first
53
Pa last
44
P.A. Now (θ)
44°
Sep first
0.8
Sep last
1.0
Sep. Now (ρ)
1"
Mag pri
8.95
Mag sec
10.90
delta mag (ΔM)
1.95
Spectral class
A9V (white)
Pri motion ra
+003
Sec motion ra
+003
Pri motion dec
-031
Sec motion dec
-031
Notes
Nature of this double is uncertain.
 
 
18011-1952 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 160993 18011-1952 A 2387 AB 1910 1991 5 44 1.0 8.95 10.90 1.95 <===
Show 160993 18011-1952 I 9027 AC 1914 2000 7 301 33.3 8.95 11.78 2.83
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
44.4
Precise sep
0.972
Constellation
Sagittarius
SAO
160993
Tycho2
6259-00050-1
HD
164262
last precise pa
44.4
last precise sep
0.972
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18011-1952 A 2387 AB 1991 5 44 1.0 8.95 10.90 A9V 180104.10-195222.6

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