18224-2202 ARA1877

 
 
18h 22m 26.38s -22 01' 28.8" P.A. 256 sep 8.8 mag 10.71,11.30
 
 
Coord 2000
18224-2202
Discov num
ARA1877
Comp
Coord arcsec 2000
18 22 26.38 -22 01 28.8
Date first
1920
Date last
2010
Obs
5
Pa first
253
Pa last
256
P.A. Now (θ)
256°
Sep first
8.5
Sep last
8.8
Sep. Now (ρ)
8.8"
Mag pri
10.71
Mag sec
11.30
delta mag (ΔM)
0.59
Spectral class
Pri motion ra
+001
Sec motion ra
-006
Pri motion dec
-007
Sec motion dec
-004
Notes
rPM=1.056
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
255.9
Precise sep
8.8
Constellation
Sagittarius
Tycho2
6277-01005-1
last precise pa
255.9
last precise sep
8.8
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18224-2202 ARA1877 1999 2 254 9.0 10.71 11.30 D 182226.38-220128.8
18224-2202 ARA1877 2010 5 256 8.8 10.71 11.30 182226.38-220128.8

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