18218-2309 ARA2228

 
 
18h 21m 44.66s -23 09' 00.8" P.A. 195 sep 14 mag 12.90,13.00
 
 
Coord 2000
18218-2309
Discov num
ARA2228
Comp
Coord arcsec 2000
18 21 44.66 -23 09 00.8
Date first
1911
Date last
2000
Obs
6
Pa first
195
Pa last
195
P.A. Now (θ)
195°
Sep first
13.5
Sep last
14.0
Sep. Now (ρ)
14"
Mag pri
12.90
Mag sec
13.00
delta mag (ΔM)
0.1
Spectral class
Pri motion ra
+010
Sec motion ra
+003
Pri motion dec
-003
Sec motion dec
-007
Notes
rPM=0.772
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
194.9
Precise sep
13.95
Constellation
Sagittarius
last precise pa
194.9
last precise sep
13.95
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18218-2309 ARA2228 1999 3 195 14.0 12.90 13.00 D 182144.66-230900.8
18218-2309 ARA2228 2000 6 195 14.0 12.90 13.00 182144.66-230900.8
18218-2309 ARA2228 2010 7 199 12.8 12.90 13.00 182144.66-230900.8

If you need more information about this double, apply for a data request form to the WDS.