18227-1740 ARA 279

 
 
18h 22m 45.95s -17 40' 23.2" P.A. 339 sep 10.9 mag 11.16,10.72
 
 
Coord 2000
18227-1740
Discov num
ARA 279
Comp
Coord arcsec 2000
18 22 45.95 -17 40 23.2
Date first
1916
Date last
1999
Obs
5
Pa first
340
Pa last
339
P.A. Now (θ)
339°
Sep first
11.2
Sep last
10.9
Sep. Now (ρ)
10.9"
Mag pri
11.16
Mag sec
10.72
delta mag (ΔM)
0.44
Spectral class
Pri motion ra
-002
Sec motion ra
-001
Pri motion dec
-003
Sec motion dec
-007
Notes
rPM=0.583
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
339
Precise sep
10.868
Constellation
Sagittarius
Tycho2
6269-00667-1
last precise pa
339
last precise sep
10.868
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18227-1740 ARA 279 1999 3 339 10.9 11.16 10.72 D 182245.95-174023.2

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