09275-5806 CHR 240

 
 
09h 27m 31.80s -58 05' 40.3" P.A. 307 mag 7.20,8.40 Sp K2V dist. 50.08 pc (163.36 l.y.)
 
 
Coord 2000
09275-5806
Discov num
CHR 240
Comp
Coord arcsec 2000
09 27 31.80 -58 05 40.3
Date first
1996
Date last
2017
Obs
15
Pa first
122
Pa last
307
P.A. Now (θ)
307°
Sep first
0.0
Sep last
0.0
Sep. Now (ρ)
0"
Mag pri
7.20
Mag sec
8.40
delta mag (ΔM)
1.2
Spectral class
K2V (yellow-orange)
Pri motion ra
-147
Sec motion ra
Pri motion dec
-004
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
306.5
Precise sep
0.029
Constellation
Carina
SAO
237002
HIP
46388
Tycho2
8592-01219-1
HD
82082
CP
CP-57 2058
Distance
50.08
Distance ly
163.36
last precise pa
306.5
last precise sep
0.029
 
 
ORBITAL ELEMENTS
 
 
Period (P)1.421y± 0.007 Periastron (T)2015.376y± 0.027 Semi-major axis (a)0.0324a± 0.0009
Eccentricity (e)0.391± 0.038 Inclination (i)130° Longitude of periastron (ω)141.3°± 8.6
Node (Ω)259.2°± 5.3 Note Grade2(1=Definitive, 9=Indet.)
Equinox2000 Last observation
label rho theta
2000 0.022 16.7
2001 0.020 214.4
2002 0.042 274.9
2003 0.026 330.8
2004 0.017 110.8
2005 0.040 260.4
2006 0.034 302.6
2007 0.022 51.1
2008 0.031 240.8
2009 0.040 284.6
2010 0.022 359.6
2011 0.015 187.3
2012 0.042 270.2
2013 0.029 319.7
2014 0.020 86.3
2015 0.038 254.9
2016 0.036 295.9
2017 0.022 33.9
2018 0.026 230.2
2019 0.041 279.6
2020 0.024 344.0
2021 0.014 146.6
2022 0.041 265.4
2023 0.031 310.3
2024 0.022 67.8
2025 0.035 248.5
2026 0.038 289.9
2027 0.022 16.4
2028 0.020 214.1
2029 0.042 274.8
2030 0.026 330.6

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

grafico orbita





wds09275-5806a.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
09275-5806 CHR 240 1996 1 302 0.0 7.20 8.40 K2V D 092731.80-580540.3
09275-5806 CHR 240 2012 2 91 0.0 7.20 8.40 K2V D 092731.80-580540.3
09275-5806 CHR 240 2013 3 293 0.0 7.20 8.40 K2V D 092731.80-580540.3
09275-5806 CHR 240 2015 8 69 0.0 7.20 8.40 K2V NO 092731.80-580540.3
09275-5806 CHR 240 2017 15 307 0.0 7.20 8.40 K2V NO 092731.80-580540.3

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