09407-5759 B   780

 
 
09H 40M 42.60S -57 59' 00.9" P.A. 46 SEP 0.07 MAG 5.85,6.48 SP A3IV DIST. 72.57 PC (236.72 L.Y.)
 
 
Coord 2000
09407-5759
Discov num
B   780
Comp
Coord arcsec 2000
09 40 42.60 -57 59 00.9
Date first
1927
Date last
2015
Obs
56
Pa first
238
Pa last
100
P.A. Now (θ)
46°
Sep first
0.2
Sep last
0.1
Sep. Now (ρ)
0.07"
Mag pri
5.85
Mag sec
6.48
delta mag (ΔM)
0.63
Spectral class
A3IV (white)
Pri motion ra
-032
Sec motion ra
Pri motion dec
+003
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Carina
SAO
237221
HIP
47479
Tycho2
8593-01420-1
HD
84121
HR
3863
CP
CP-57 2228
Distance
72.57
Distance ly
236.72
last precise pa
100.3
last precise sep
0.083
 
 
ORBITAL ELEMENTS
 
 
Period (P)10.63y± 0.01 Periastron (T)2005.86y± 0.02 Semi-major axis (a)0.123a± 0
Eccentricity (e)0.338± 0.002 Inclination (i)128.6°± 0.3 Longitude of periastron (ω)17.6°± 0.8
Node (Ω)86.1°± 0.3 Note Grade2(1=Definitive, 9=Indet.)
Equinox2000 Last observation2014
label rho theta
2000 0.162 261.2
2001 0.154 249.4
2002 0.131 234.6
2003 0.098 211.2
2004 0.074 167.5
2005 0.080 113.6
2006 0.076 67.9
2007 0.062 356.4
2008 0.099 303.6
2009 0.138 282.0
2010 0.159 268.5
2011 0.161 256.9
2012 0.147 244.5
2013 0.119 227.5
2014 0.086 198.0
2015 0.073 146.5
2016 0.083 96.9
2017 0.067 46.0
2018 0.072 330.6
2019 0.115 293.9
2020 0.148 276.5
2021 0.162 264.2
2022 0.158 252.6
2023 0.138 239.0
2024 0.107 218.7
2025 0.077 181.3
2026 0.076 126.4
2027 0.081 80.5
2028 0.060 17.7
2029 0.087 312.7
2030 0.129 286.4

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