18015-2221 ARA1836

 
 
18H 01M 31.56S -22 21' 17.8" P.A. 20 SEP 8.4 MAG 11.40,12.40
 
 
Coord 2000
18015-2221
Discov num
ARA1836
Comp
Coord arcsec 2000
18 01 31.56 -22 21 17.8
Date first
1920
Date last
2016
Obs
8
Pa first
23
Pa last
20
P.A. Now (θ)
20°
Sep first
8.0
Sep last
8.4
Sep. Now (ρ)
8.4"
Mag pri
11.40
Mag sec
12.40
delta mag (ΔM)
1
Spectral class
Pri motion ra
+002
Sec motion ra
+005
Pri motion dec
-008
Sec motion dec
+004
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Sagittarius
Tycho2
6263-00114-1
last precise pa
19.6
last precise sep
8.4