18321-2040 ARA1152

 
 
18h 32m 03.26s -20 40' 12.2" P.A. 133 sep 14.7 mag 10.02,12.20 Sp B9III/IV
 
 
Coord 2000
18321-2040
Discov num
ARA1152
Comp
Coord arcsec 2000
18 32 03.26 -20 40 12.2
Date first
1919
Date last
2010
Obs
5
Pa first
135
Pa last
133
P.A. Now (θ)
133°
Sep first
14.6
Sep last
14.7
Sep. Now (ρ)
14.7"
Mag pri
10.02
Mag sec
12.20
delta mag (ΔM)
2.18
Spectral class
B9III/IV (blue-white)
Pri motion ra
-004
Sec motion ra
-003
Pri motion dec
-009
Sec motion dec
-014
Notes
rPM=0.356
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
133.4
Precise sep
14.73
Constellation
Sagittarius
Tycho2
6279-00994-1
HD
170789
last precise pa
133.4
last precise sep
14.73
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18321-2040 ARA1152 1999 3 134 14.5 10.02 12.20 B9III/IV D 183203.26-204012.2
18321-2040 ARA1152 2010 5 133 14.5 10.02 12.20 B9III/IV 183203.26-204012.2

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