12117-1034 HDS1720

 
 
12h 11m 40.31s -10 34' 14.2" P.A. 227 sep 0.4 mag 7.57,8.89 Sp G5 dist. 178.57 pc (582.5 l.y.)
 
 
Coord 2000
12117-1034
Discov num
HDS1720
Comp
Coord arcsec 2000
12 11 40.31 -10 34 14.2
Date first
1991
Date last
2012
Obs
6
Pa first
231
Pa last
227
P.A. Now (θ)
227°
Sep first
0.3
Sep last
0.4
Sep. Now (ρ)
0.4"
Mag pri
7.57
Mag sec
8.89
delta mag (ΔM)
1.32
Spectral class
G5 (yellow)
Pri motion ra
-025
Sec motion ra
Pri motion dec
+001
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
227.2
Precise sep
0.355
Cdsa2 id
HDS 1720
Constellation
Virgo
SAO
157136
HIP
59452
Tycho2
5522-00951-1
HD
105968
BD
BD-09 3457
Ra deg
12.194530555555556
De deg
-10.570611111111111
Distance
178.57
Distance ly
582.5
last precise pa
227.2
last precise sep
0.355
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12117-1034 HDS1720 2006 4 226 0.3 7.57 8.89 G5 D 121140.31-103414.2
12117-1034 HDS1720 2012 6 227 0.4 7.57 8.89 G5 121140.31-103414.2

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