18311-2315 DON 906

 
 
18h 31m 07.09s -23 14' 57.5" P.A. 128 sep 1.6 mag 10.37,13.70
 
 
Coord 2000
18311-2315
Discov num
DON 906
Comp
Coord arcsec 2000
18 31 07.09 -23 14 57.5
Date first
1932
Date last
1949
Obs
4
Pa first
129
Pa last
128
P.A. Now (θ)
128°
Sep first
1.6
Sep last
1.6
Sep. Now (ρ)
1.6"
Mag pri
10.37
Mag sec
13.70
delta mag (ΔM)
3.33
Spectral class
Pri motion ra
+004
Sec motion ra
Pri motion dec
+000
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
128.3
Precise sep
1.56
Constellation
Sagittarius
Tycho2
6857-01409-1
last precise pa
128.3
last precise sep
1.56
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18311-2315 DON 906 1949 4 128 1.6 10.37 13.70 183107.09-231457.5

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