18127-2239 ARA1854

 
 
18h 12m 40.53s -22 38' 55.2" P.A. 281 sep 12.5 mag 12.30,12.40
 
 
Coord 2000
18127-2239
Discov num
ARA1854
Comp
Coord arcsec 2000
18 12 40.53 -22 38 55.2
Date first
1920
Date last
1999
Obs
5
Pa first
280
Pa last
281
P.A. Now (θ)
281°
Sep first
11.7
Sep last
12.5
Sep. Now (ρ)
12.5"
Mag pri
12.30
Mag sec
12.40
delta mag (ΔM)
0.1
Spectral class
Pri motion ra
+006
Sec motion ra
-001
Pri motion dec
-016
Sec motion dec
-003
Notes
rPM=0.864
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
281.1
Precise sep
12.537
Constellation
Sagittarius
last precise pa
281.1
last precise sep
12.537
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18127-2239 ARA1854 1998 3 281 12.2 12.30 12.40 D 181240.53-223855.2
18127-2239 ARA1854 1999 4 281 12.5 12.30 12.40 D 181240.53-223855.2
18127-2239 ARA1854 2010 6 280 11.6 12.30 12.40 181240.53-223855.2

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