17405-2045 DON 856

 
 
17h 40m 27.53s -20 45' 48.3" P.A. 57 sep 0.4 mag 11.20,11.30
 
 
Coord 2000
17405-2045
Discov num
DON 856
Comp
Coord arcsec 2000
17 40 27.53 -20 45 48.3
Date first
1931
Date last
1951
Obs
4
Pa first
56
Pa last
57
P.A. Now (θ)
57°
Sep first
0.4
Sep last
0.4
Sep. Now (ρ)
0.4"
Mag pri
11.20
Mag sec
11.30
delta mag (ΔM)
0.1
Spectral class
Pri motion ra
005
Sec motion ra
Pri motion dec
-009
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
57.1
Precise sep
0.35
Constellation
Ophiuchus
Tycho2
6260-01681-1
last precise pa
57.1
last precise sep
0.35
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17405-2045 DON 856 1951 4 57 0.4 11.20 11.30 N 174027.53-204548.3

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