18337-2132 ARA1542

 
 
18h 33m 43.60s -21 31' 37.5" P.A. 113 sep 11.8 mag 13.10,13.70
 
 
Coord 2000
18337-2132
Discov num
ARA1542
Comp
Coord arcsec 2000
18 33 43.60 -21 31 37.5
Date first
1922
Date last
2010
Obs
5
Pa first
114
Pa last
113
P.A. Now (θ)
113°
Sep first
12.3
Sep last
11.8
Sep. Now (ρ)
11.8"
Mag pri
13.10
Mag sec
13.70
delta mag (ΔM)
0.6
Spectral class
Pri motion ra
+004
Sec motion ra
+002
Pri motion dec
-006
Sec motion dec
+001
Notes
rPM=1.01
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
113.4
Precise sep
11.75
Constellation
Sagittarius
last precise pa
113.4
last precise sep
11.75
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18337-2132 ARA1542 1998 2 114 11.8 13.10 13.70 D 183343.60-213137.5
18337-2132 ARA1542 1999 3 114 11.8 13.10 13.70 D 183343.60-213137.5
18337-2132 ARA1542 2000 4 114 11.8 13.10 13.70 183343.60-213137.5
18337-2132 ARA1542 2010 5 113 11.0 13.10 13.70 183343.60-213137.5

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