17427-4451 DON 859

 
 
17H 42M 43.49S -44 50' 58.2" P.A. 218 SEP 0.9 MAG 10.09,10.84 SP F5V
 
 
Coord 2000
17427-4451
Discov num
DON 859
Comp
Coord arcsec 2000
17 42 43.49 -44 50 58.2
Date first
1932
Date last
1991
Obs
3
Pa first
209
Pa last
218
P.A. Now (θ)
218°
Sep first
1.0
Sep last
0.9
Sep. Now (ρ)
0.9"
Mag pri
10.09
Mag sec
10.84
delta mag (ΔM)
0.75
Spectral class
F5V (yellow-white)
Pri motion ra
-007
Sec motion ra
-007
Pri motion dec
-023
Sec motion dec
-023
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Scorpius
Tycho2
7897-00104-1
HD
160549
last precise pa
217.8
last precise sep
0.923