18133-2158 ARA1857

 
 
18h 13m 19.02s -21 58' 42.2" P.A. 87 sep 9.6 mag 11.84,13.20
 
 
Coord 2000
18133-2158
Discov num
ARA1857
Comp
Coord arcsec 2000
18 13 19.02 -21 58 42.2
Date first
1920
Date last
2000
Obs
7
Pa first
88
Pa last
87
P.A. Now (θ)
87°
Sep first
9.1
Sep last
9.6
Sep. Now (ρ)
9.6"
Mag pri
11.84
Mag sec
13.20
delta mag (ΔM)
1.36
Spectral class
Pri motion ra
-004
Sec motion ra
+007
Pri motion dec
-003
Sec motion dec
-005
Notes
rPM=1.3
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
87.2
Precise sep
9.564
Constellation
Sagittarius
Tycho2
6276-02662-1
HD
314102
last precise pa
87.2
last precise sep
9.564
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18133-2158 ARA1857 1998 4 88 9.5 11.84 13.20 D 181319.02-215842.2
18133-2158 ARA1857 2000 6 87 9.6 11.84 13.20 D 181319.02-215842.2

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