17174-6657 CVN  55AC

 
 
17h 17m 25.54s -66 57' 02.5" P.A. 120 sep 8 mag 4.70,15.80 Sp G6IV+M3Ve dist. 31.45 pc (102.59 l.y.)
 
 
Coord 2000
17174-6657
Discov num
CVN  55
Comp
AC
Coord arcsec 2000
17 17 25.54 -66 57 02.5
Date first
2004
Date last
2004
Obs
2
Pa first
120
Pa last
120
P.A. Now (θ)
120°
Sep first
7.9
Sep last
8.0
Sep. Now (ρ)
8"
Mag pri
4.70
Mag sec
15.80
delta mag (ΔM)
11.1
Spectral class
G6IV+M3Ve (yellow/red)
Pri motion ra
-022
Sec motion ra
-007
Pri motion dec
-137
Sec motion dec
-154
Notes
N V K (See Notes, Proper motion indicates physical, K-band or other infrared magnitudes)
This double is physical.
 
 
17174-6657 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show V824 Ara 253856 17174-6657 LDS 587 AB 1920 2000 3 93 34.0 6.67 13.00 6.33
Show 253856 17174-6657 CVN 55 AC 2004 2004 2 120 8.0 4.70 15.80 11.10 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name
V824 Ara
Constellation
Ara
SAO
253856
HIP
84586
Tycho2
9064-03514-1
HD
155555
CP
CP-66 3080
Distance
31.45
Distance ly
102.59
last precise pa
120.2
last precise sep
7.96
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17174-6657 CVN 55 AC 2004 2 120 7.9 4.70 15.80 G6IV+K0IV K 171725.54-665702.5

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