17413-1838 DON 858

 
 
17H 41M 18.92S -18 38' 28.2" P.A. 265 SEP 1.9 MAG 9.25,15.20 SP AP
 
 
Coord 2000
17413-1838
Discov num
DON 858
Comp
Coord arcsec 2000
17 41 18.92 -18 38 28.2
Date first
1932
Date last
1940
Obs
3
Pa first
263
Pa last
265
P.A. Now (θ)
265°
Sep first
1.8
Sep last
1.9
Sep. Now (ρ)
1.9"
Mag pri
9.25
Mag sec
15.20
delta mag (ΔM)
5.95
Spectral class
Ap (white)
Pri motion ra
-008
Sec motion ra
Pri motion dec
-010
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Ophiuchus
SAO
160745
Tycho2
6252-00149-1
HD
160544
last precise pa
264.6
last precise sep
1.94