11247-6139 BSO   5

 
 
11H 24M 40.34S -61 38' 51.1" P.A. 248.5 SEP 7.59 MAG 7.68,8.76 SP K5/M0V DIST. 13.71 PC (44.72 L.Y.)
 
 
Coord 2000
11247-6139
Discov num
BSO   5
Comp
Coord arcsec 2000
11 24 40.34 -61 38 51.1
Date first
1834
Date last
2014
Obs
130
Pa first
292
Pa last
248
P.A. Now (θ)
248.5°
Sep first
4.0
Sep last
7.5
Sep. Now (ρ)
7.59"
Mag pri
7.68
Mag sec
8.76
delta mag (ΔM)
1.08
Spectral class
K5/M0V (yellow-orange)
Pri motion ra
-491
Sec motion ra
-562
Pri motion dec
+099
Sec motion dec
+077
Notes
O (Orbital solution)
rPM=0.131 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Centaurus
SAO
251393
HIP
55691
Tycho2
8959-01969-2
HD
99279
GL
Gl 428A
CD
CD-60 3532
CP
CP-60 2911
Distance
13.71
Distance ly
44.72
last precise pa
248.3
last precise sep
7.49
 
 
ORBITAL ELEMENTS
 
 
Period (P)399.37y Periastron (T)1918.37y Semi-major axis (a)5.672a
Eccentricity (e)0.668 Inclination (i)49.5° Longitude of periastron (ω)17.9°
Node (Ω)75.1° Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation1996
label rho theta
2000 6.771 243.9
2001 6.824 244.2
2002 6.877 244.5
2003 6.929 244.8
2004 6.980 245.0
2005 7.030 245.3
2006 7.080 245.6
2007 7.129 245.9
2008 7.178 246.2
2009 7.226 246.4
2010 7.273 246.7
2011 7.319 247.0
2012 7.365 247.2
2013 7.410 247.5
2014 7.455 247.7
2015 7.499 248.0
2016 7.542 248.2
2017 7.585 248.5
2018 7.626 248.7
2019 7.668 249.0
2020 7.709 249.2
2021 7.749 249.4
2022 7.788 249.7
2023 7.827 249.9
2024 7.865 250.1
2025 7.903 250.3
2026 7.940 250.6
2027 7.977 250.8
2028 8.013 251.0
2029 8.048 251.2
2030 8.083 251.4

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