13129-5949 HDS1850Aa,Ab

 
 
13H 12M 55.71S -59 48' 58.8" P.A. 100.2 SEP 0.3 MAG 6.37,9.69 SP G0V DIST. 42.16 PC (137.53 L.Y.)
 
 
Coord 2000
13129-5949
Discov num
HDS1850
Comp
Aa,Ab
Coord arcsec 2000
13 12 55.71 -59 48 58.8
Date first
1991
Date last
2015
Obs
7
Pa first
96
Pa last
100
P.A. Now (θ)
100.2°
Sep first
0.2
Sep last
0.4
Sep. Now (ρ)
0.3"
Mag pri
6.37
Mag sec
9.69
delta mag (ΔM)
3.32
Spectral class
G0V (yellow)
Pri motion ra
+008
Sec motion ra
Pri motion dec
-108
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
13129-5949 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 240653 13129-5949 HDS1850 Aa,Ab 1991 2015 7 100 0.3 6.37 9.69 3.32 Y <===
Show 240653 13129-5949 COO 152 AB 1892 2016 12 146 25.3 6.26 9.42 3.16
Triple system
2 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Centaurus
SAO
240653
HIP
64478
Tycho2
8661-01992-1
HD
114630
HR
4980
CD
CD-59 4623
CP
CP-59 4827
Distance
42.16
Distance ly
137.53
last precise pa
99.9
last precise sep
0.356
 
 
ORBITAL ELEMENTS
 
 
Period (P)29.11y± 0.34 Periastron (T)1997.27y± 1.55 Semi-major axis (a)0.3134a± 0.0034
Eccentricity (e)0.173± 0.018 Inclination (i)89°± 0.4 Longitude of periastron (ω)326.4°± 17.6
Node (Ω)279.7°± 0.2 Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation2015
label rho theta
2000 0.265 279.9
2001 0.246 280.3
2002 0.212 280.7
2003 0.166 281.2
2004 0.111 282.4
2005 0.052 286.0
2006 0.012 70.2
2007 0.072 95.0
2008 0.131 97.2
2009 0.186 98.0
2010 0.235 98.5
2011 0.277 98.8
2012 0.312 99.1
2013 0.337 99.3
2014 0.352 99.4
2015 0.357 99.6
2016 0.351 99.8
2017 0.333 100.0
2018 0.304 100.2
2019 0.263 100.4
2020 0.211 100.8
2021 0.149 101.5
2022 0.079 103.2
2023 0.007 146.7
2024 0.070 276.0
2025 0.139 278.1
2026 0.198 278.9
2027 0.240 279.3
2028 0.263 279.6
2029 0.265 279.9
2030 0.249 280.2

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