17410-4530 DON 855

 
 
17H 40M 57.75S -45 30' 14.9" P.A. 265 SEP 0.4 MAG 11.20,12.70
 
 
Coord 2000
17410-4530
Discov num
DON 855
Comp
Coord arcsec 2000
17 40 57.75 -45 30 14.9
Date first
1932
Date last
1948
Obs
2
Pa first
268
Pa last
265
P.A. Now (θ)
265°
Sep first
0.4
Sep last
0.4
Sep. Now (ρ)
0.4"
Mag pri
11.20
Mag sec
12.70
delta mag (ΔM)
1.5
Spectral class
Pri motion ra
-003
Sec motion ra
Pri motion dec
-020
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Scorpius
Tycho2
8343-00472-1
last precise pa
264.7
last precise sep
0.39