12117-3036 KNP   2AC

 
 
12h 11m 41.93s -30 36' 13.6" P.A. 116 sep 37.3 mag 7.78,12.61 Sp G8III dist. 408.16 pc (1331.42 l.y.)
 
 
Coord 2000
12117-3036
Discov num
KNP   2
Comp
AC
Coord arcsec 2000
12 11 41.93 -30 36 13.6
Date first
1967
Date last
2017
Obs
4
Pa first
119
Pa last
116
P.A. Now (θ)
116°
Sep first
36.1
Sep last
37.3
Sep. Now (ρ)
37.3"
Mag pri
7.78
Mag sec
12.61
delta mag (ΔM)
4.83
Spectral class
G8III (yellow)
Pri motion ra
-026
Sec motion ra
+002
Pri motion dec
-014
Sec motion dec
-006
Notes
rPM=0.986
This double is not physical.
 
 
12117-3036 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 203219 12117-3036 HJ 4505 AB 1834 2017 16 276 10.1 7.78 10.75 2.97
Show 203219 12117-3036 KNP 2 AC 1967 2017 4 116 37.3 7.78 12.61 4.83 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
115.9
Precise sep
37.3
Cdsa2 id
KNP 2 AC
Constellation
Hydra
SAO
203219
HIP
59456
Tycho2
7232-00301-1
HD
105953
CD
CD-29 9603
Ra deg
12.194980555555556
De deg
-30.60377777777778
Distance
408.16
Distance ly
1331.42
last precise pa
115.9
last precise sep
37.3
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12117-3036 KNP 2 AC 1999 2 118 36.9 7.78 11.50 G8III D 121141.93-303613.6
12117-3036 KNP 2 AC 2017 4 116 37.3 7.78 12.61 G8III 121141.93-303613.6

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