18579-4458 DON 936

 
 
18H 57M 56.68S -44 58' 06.8" P.A. 44 SEP 1.3 MAG 9.88,12.71 SP G8/K0V:
 
 
Coord 2000
18579-4458
Discov num
DON 936
Comp
Coord arcsec 2000
18 57 56.68 -44 58 06.8
Date first
1929
Date last
1991
Obs
3
Pa first
52
Pa last
44
P.A. Now (θ)
44°
Sep first
0.8
Sep last
1.3
Sep. Now (ρ)
1.3"
Mag pri
9.88
Mag sec
12.71
delta mag (ΔM)
2.83
Spectral class
G8/K0V: (yellow)
Pri motion ra
+027
Sec motion ra
+025
Pri motion dec
-080
Sec motion dec
-072
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Corona Austrina
Tycho2
7928-00867-1
HD
175531
last precise pa
44.3
last precise sep
1.33