21339-4040 CRU9021

 
 
21H 33M 51.88S -40 39' 39.7" P.A. 31 SEP 47.4 MAG 11.30,10.70 SP G5
 
 
Coord 2000
21339-4040
Discov num
CRU9021
Comp
Coord arcsec 2000
21 33 51.88 -40 39 39.7
Date first
1879
Date last
2010
Obs
8
Pa first
59
Pa last
31
P.A. Now (θ)
31°
Sep first
69.5
Sep last
47.4
Sep. Now (ρ)
47.4"
Mag pri
11.30
Mag sec
10.70
delta mag (ΔM)
0.6
Spectral class
G5 (yellow)
Pri motion ra
+328
Sec motion ra
+010
Pri motion dec
-037
Sec motion dec
+004
Notes
rPM=0.971
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Grus
Tycho2
7984-00811-1
last precise pa
31.3
last precise sep
47.37