09194-7739 KOH  83Aa,Ab

 
 
09H 19M 24.66S -77 38' 36.4" P.A. 181.7 SEP 0.1 MAG 7.40,7.80 SP G7V DIST. 56.82 PC (185.35 L.Y.)
 
 
Coord 2000
09194-7739
Discov num
KOH  83
Comp
Aa,Ab
Coord arcsec 2000
09 19 24.66 -77 38 36.4
Date first
1996
Date last
2015
Obs
15
Pa first
174
Pa last
172
P.A. Now (θ)
181.7°
Sep first
0.1
Sep last
0.1
Sep. Now (ρ)
0.1"
Mag pri
7.40
Mag sec
7.80
delta mag (ΔM)
0.4
Spectral class
G7V (yellow)
Pri motion ra
-110
Sec motion ra
Pri motion dec
+072
Sec motion dec
Notes
N O K (See Notes, Orbital solution, K-band or other infrared magnitudes)
This double is physical.
 
 
09194-7739 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 256606 09194-7739 KOH 83 Aa,Ab 1996 2015 15 182 0.1 7.40 7.80 0.40 Y <===
Show 256606 09194-7739 HJ 4214 AB 1837 2010 23 194 9.1 8.41 9.66 1.25
Triple system
2 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Chamaeleon
SAO
256606
HIP
45734
Tycho2
9399-02451-1
HD
81485
CP
CP-77 503
Distance
56.82
Distance ly
185.35
last precise pa
172.2
last precise sep
0.116
 
 
ORBITAL ELEMENTS
 
 
Period (P)19.84y Periastron (T)1999y Semi-major axis (a)0.146a
Eccentricity (e)0.795 Inclination (i)65° Longitude of periastron (ω)276.2°
Node (Ω)20.2° Note Grade3(1=Definitive, 9=Indet.)
Equinox2000 Last observation2014
label rho theta
2000 0.071 34.5
2001 0.088 49.7
2002 0.095 61.4
2003 0.099 71.8
2004 0.101 81.7
2005 0.103 91.2
2006 0.105 100.4
2007 0.108 109.1
2008 0.111 117.4
2009 0.114 125.2
2010 0.117 132.7
2011 0.120 139.7
2012 0.122 146.4
2013 0.124 153.0
2014 0.124 159.4
2015 0.121 166.0
2016 0.114 173.2
2017 0.101 181.7
2018 0.070 194.9
2019 0.026 357.5
2020 0.075 37.5
2021 0.090 51.7
2022 0.096 63.1
2023 0.099 73.5
2024 0.102 83.3
2025 0.104 92.7
2026 0.106 101.8
2027 0.108 110.4
2028 0.111 118.7
2029 0.114 126.4
2030 0.118 133.8

Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.

grafico orbita





grafico misure orbit6
Measures: green=micrometric, blue=interferometric, purple=photographic