10208-4252 DON 408

 
 
10h 20m 48.41s -42 52' 20.6" P.A. 181 sep 8.3 mag 7.32,13.50 Sp B9V dist. 137.17 pc (447.45 l.y.)
 
 
Coord 2000
10208-4252
Discov num
DON 408
Comp
Coord arcsec 2000
10 20 48.41 -42 52 20.6
Date first
1927
Date last
1999
Obs
5
Pa first
185
Pa last
181
P.A. Now (θ)
181°
Sep first
8.0
Sep last
8.3
Sep. Now (ρ)
8.3"
Mag pri
7.32
Mag sec
13.50
delta mag (ΔM)
6.18
Spectral class
B9V (blue-white)
Pri motion ra
-024
Sec motion ra
-002
Pri motion dec
-005
Sec motion dec
+021
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Vela
SAO
221976
HIP
50666
Tycho2
7717-03134-1
HD
89785
CD
CD-42 6153
CP
CP-42 4534
Distance
137.17
Distance ly
447.45
last precise pa
181
last precise sep
8.27
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
10208-4252 DON 408 1999 4 181 8.3 7.30 13.50 B9V D 102048.41-425220.6
10208-4252 DON 408 2010 6 180 7.8 7.32 13.50 B9V 102048.41-425220.6

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