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
 
 
Precise pa
264.7
Precise sep
0.39
Cdsa2 id
DON 855
Constellation
Scorpius
Tycho2
8343-00472-1
Ra deg
17.682708333333334
De deg
-45.50413888888889
last precise pa
264.7
last precise sep
0.39
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17410-4530 DON 855 1948 2 265 0.4 11.20 12.70 174057.75-453014.9

If you need more information about this double, apply for a data request form to the WDS.