18091-2222 ARA1847

 
 
18h 09m 10.09s -22 22' 01.9" P.A. 170 sep 11.5 mag 12.24,12.70
 
 
Coord 2000
18091-2222
Discov num
ARA1847
Comp
Coord arcsec 2000
18 09 10.09 -22 22 01.9
Date first
1921
Date last
2011
Obs
6
Pa first
171
Pa last
170
P.A. Now (θ)
170°
Sep first
11.4
Sep last
11.5
Sep. Now (ρ)
11.5"
Mag pri
12.24
Mag sec
12.70
delta mag (ΔM)
0.46
Spectral class
Pri motion ra
-008
Sec motion ra
-004
Pri motion dec
+001
Sec motion dec
-003
Notes
rPM=0.702
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
170.2
Precise sep
11.47
Constellation
Sagittarius
Tycho2
6276-00688-1
last precise pa
170.2
last precise sep
11.47
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18091-2222 ARA1847 1923 2 351 11.4 12.24 12.50 180910.05-222202.0
18091-2222 ARA1847 2011 3 350 11.5 12.24 12.50 180910.05-222202.0

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