11238-3829 CHR 241

 
 
11h 23m 46.67s -38 29' 21.6" P.A. 133 sep 0.06 mag 8.60,8.80 Sp K1V dist. 48.26 pc (157.42 l.y.)
 
 
Coord 2000
11238-3829
Discov num
CHR 241
Comp
Coord arcsec 2000
11 23 46.67 -38 29 21.6
Date first
1996
Date last
2017
Obs
12
Pa first
335
Pa last
152
P.A. Now (θ)
133°
Sep first
0.1
Sep last
0.1
Sep. Now (ρ)
0.06"
Mag pri
8.60
Mag sec
8.80
delta mag (ΔM)
0.2
Spectral class
K1V (yellow-orange)
Pri motion ra
-066
Sec motion ra
Pri motion dec
-167
Sec motion dec
Notes
O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
151.5
Precise sep
0.059
Constellation
Centaurus
SAO
202400
HIP
55628
Tycho2
7739-01443-1
HD
99076
CD
CD-37 7219
CP
CP-37 4694
Distance
48.26
Distance ly
157.42
last precise pa
151.5
last precise sep
0.059
 
 
ORBITAL ELEMENTS
 
 
Period (P)3.559y± 0.022 Periastron (T)2013.264y± 0.078 Semi-major axis (a)0.0576a± 0.0014
Eccentricity (e)0.322± 0.029 Inclination (i)114.7°± 1.8 Longitude of periastron (ω)257.8°± 3.7
Node (Ω)154.2°± 2.1 Note Grade3(1=Definitive, 9=Indet.)
Equinox2000 Last observation
label rho theta
2000 0.059 141.3
2001 0.032 68.0
2002 0.051 342.2
2003 0.043 166.5
2004 0.048 121.1
2005 0.039 16.5
2006 0.030 309.3
2007 0.059 145.7
2008 0.033 83.0
2009 0.051 348.2
2010 0.033 177.2
2011 0.052 127.5
2012 0.036 27.7
2013 0.039 322.5
2014 0.058 150.3
2015 0.036 96.1
2016 0.049 354.4
2017 0.023 198.0
2018 0.055 133.0
2019 0.033 41.1
2020 0.046 331.0
2021 0.055 155.2
2022 0.040 106.9
2023 0.046 1.4
2024 0.016 244.1
2025 0.058 137.9
2026 0.032 56.4
2027 0.050 337.7
2028 0.049 161.0
2029 0.044 115.7
2030 0.042 9.5

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

grafico orbita





wds11238-3829a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
11238-3829 CHR 241 1996 1 335 0.1 8.60 8.80 K1V D 112346.67-382921.6
11238-3829 CHR 241 2011 2 304 0.0 8.60 8.80 K1V D 112346.67-382921.6
11238-3829 CHR 241 2015 6 96 0.0 8.60 8.80 K1V 112346.67-382921.6
11238-3829 CHR 241 2017 12 152 0.1 8.60 8.80 K1V O 112346.67-382921.6

If you need more information about this double, apply for a data request form to the WDS.