10211-2250 DON 406

 
 
10h 21m 03.66s -22 49' 55.0" P.A. 269 sep 0.4 mag 9.76,9.74 Sp F7V
 
 
Coord 2000
10211-2250
Discov num
DON 406
Comp
Coord arcsec 2000
10 21 03.66 -22 49 55.0
Date first
1930
Date last
1991
Obs
5
Pa first
291
Pa last
269
P.A. Now (θ)
269°
Sep first
0.3
Sep last
0.4
Sep. Now (ρ)
0.4"
Mag pri
9.76
Mag sec
9.74
delta mag (ΔM)
0.02
Spectral class
F7V (yellow-white)
Pri motion ra
-004
Sec motion ra
-004
Pri motion dec
-001
Sec motion dec
-001
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
269.1
Precise sep
0.37
Constellation
Hydra
SAO
178711
Tycho2
6619-00086-1
HD
89748
last precise pa
269.1
last precise sep
0.37
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
10211-2250 DON 406 1991 5 269 0.4 9.76 9.74 F7V 102103.66-224955.0

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