18168-2027 ARA1144

 
 
18h 16m 44.33s -20 27' 23.4" P.A. 337 sep 9.8 mag 11.45,12.90
 
 
Coord 2000
18168-2027
Discov num
ARA1144
Comp
Coord arcsec 2000
18 16 44.33 -20 27 23.4
Date first
1922
Date last
1999
Obs
4
Pa first
342
Pa last
337
P.A. Now (θ)
337°
Sep first
9.6
Sep last
9.8
Sep. Now (ρ)
9.8"
Mag pri
11.45
Mag sec
12.90
delta mag (ΔM)
1.45
Spectral class
Pri motion ra
+007
Sec motion ra
+001
Pri motion dec
+005
Sec motion dec
+003
Notes
rPM=0.735
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
336.6
Precise sep
9.838
Constellation
Sagittarius
Tycho2
6273-01018-1
last precise pa
336.6
last precise sep
9.838
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18168-2027 ARA1144 1999 2 337 9.9 11.45 12.90 D 181644.33-202723.4

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