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
Constellation
Virgo
SAO
157136
HIP
59452
Tycho2
5522-00951-1
HD
105968
BD
BD-09 3457
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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