18462-4520 DON 921

 
 
18h 46m 09.42s -45 20' 20.6" P.A. 122 sep 1 mag 10.87,11.27
 
 
Coord 2000
18462-4520
Discov num
DON 921
Comp
Coord arcsec 2000
18 46 09.42 -45 20 20.6
Date first
1931
Date last
1991
Obs
4
Pa first
125
Pa last
122
P.A. Now (θ)
122°
Sep first
0.9
Sep last
1.0
Sep. Now (ρ)
1"
Mag pri
10.87
Mag sec
11.27
delta mag (ΔM)
0.4
Spectral class
Pri motion ra
-014
Sec motion ra
-014
Pri motion dec
-016
Sec motion dec
-016
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
122.3
Precise sep
1.036
Constellation
Corona Austrina
Tycho2
8373-01158-1
last precise pa
122.3
last precise sep
1.036
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18462-4520 DON 921 1991 4 122 1.0 10.87 11.27 184609.42-452020.6

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