10310-2138 DON 414AB

 
 
10h 31m 03.64s -21 38' 40.4" P.A. 317 sep 0.6 mag 10.90,11.10 Sp K7V
 
 
Coord 2000
10310-2138
Discov num
DON 414
Comp
AB
Coord arcsec 2000
10 31 03.64 -21 38 40.4
Date first
1933
Date last
1965
Obs
5
Pa first
328
Pa last
317
P.A. Now (θ)
317°
Sep first
0.5
Sep last
0.6
Sep. Now (ρ)
0.6"
Mag pri
10.90
Mag sec
11.10
delta mag (ΔM)
0.2
Spectral class
K7V (yellow-orange)
Pri motion ra
+232
Sec motion ra
Pri motion dec
-339
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
10310-2138 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 10310-2138 DON 414 AB 1933 1965 5 317 0.6 10.90 11.10 0.20 <===
Show 10310-2138 DON 414 AC 1933 1999 6 191 5.6 10.90 14.10 3.20
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
316.7
Precise sep
0.55
Cdsa2 id
DON 414 AB
Constellation
Hydra
Tycho2
6073-01198-1
Ra deg
10.517677777777779
De deg
-21.644555555555556
last precise pa
316.7
last precise sep
0.55
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
10310-2138 DON 414 AB 1965 5 317 0.6 10.90 11.10 K7V 103103.64-213840.4

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