09125-4032 B  1115

 
 
09h 12m 31.92s -40 31' 53.6" P.A. 125.1 sep 0.29 mag 9.32,9.83 Sp G0V dist. 100.4 pc (327.5 l.y.)
 
 
Coord 2000
09125-4032
Discov num
B  1115
Comp
Coord arcsec 2000
09 12 31.92 -40 31 53.6
Date first
1928
Date last
2013
Obs
12
Pa first
23
Pa last
135
P.A. Now (θ)
125.1°
Sep first
0.4
Sep last
0.2
Sep. Now (ρ)
0.29"
Mag pri
9.32
Mag sec
9.83
delta mag (ΔM)
0.51
Spectral class
G0V (yellow)
Pri motion ra
+076
Sec motion ra
Pri motion dec
-106
Sec motion dec
Notes
O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
135.1
Precise sep
0.195
Cdsa2 id
B 1115
Constellation
Vela
SAO
220950
HIP
45191
Tycho2
7682-02914-1
HD
79400
CD
CD-40 5013
CP
CP-40 3263
Ra deg
9.208866666666665
De deg
-40.531555555555556
Distance
100.4
Distance ly
327.5
last precise pa
135.1
last precise sep
0.195
 
 
ORBITAL ELEMENTS
 
 
Period (P)646y Periastron (T)1998.32y Semi-major axis (a)1.024a
Eccentricity (e)0.776 Inclination (i)114.2° Longitude of periastron (ω)41.1°
Node (Ω)279.6° Note Grade5(1=Definitive, 9=Indet.)
Equinox2000 Last observation2013
label rho theta
2000 0.159 251.2
2001 0.145 244.7
2002 0.132 236.7
2003 0.121 227.2
2004 0.113 216.1
2005 0.109 203.8
2006 0.110 191.2
2007 0.116 179.2
2008 0.125 168.7
2009 0.137 159.9
2010 0.152 152.6
2011 0.168 146.7
2012 0.185 141.8
2013 0.203 137.8
2014 0.221 134.4
2015 0.239 131.5
2016 0.257 129.1
2017 0.275 126.9
2018 0.293 125.1
2019 0.311 123.4
2020 0.328 121.9
2021 0.346 120.6
2022 0.363 119.4
2023 0.380 118.3
2024 0.396 117.3
2025 0.413 116.4
2026 0.429 115.5
2027 0.445 114.7
2028 0.460 114.0
2029 0.476 113.3
2030 0.491 112.6

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

grafico orbita





wds09125-4032b.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
09125-4032 B 1115 1991 9 280 0.3 9.32 9.83 G0V O 091231.92-403153.6
09125-4032 B 1115 2009 10 161 0.2 9.32 9.83 G0V O 091231.92-403153.6
09125-4032 B 1115 2010 11 148 0.2 9.32 9.83 G0V O 091231.92-403153.6
09125-4032 B 1115 2013 12 135 0.2 9.32 9.83 G0V O 091231.92-403153.6

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