09191-4128 CHR 239

 
 
09H 19M 04.43S -41 28' 05.6" P.A. 290 SEP 0.14 MAG 7.50,8.80 SP G2V DIST. 48.12 PC (156.97 L.Y.)
 
 
Coord 2000
09191-4128
Discov num
CHR 239
Comp
Coord arcsec 2000
09 19 04.43 -41 28 05.6
Date first
1996
Date last
2015
Obs
13
Pa first
273
Pa last
313
P.A. Now (θ)
290°
Sep first
0.1
Sep last
0.1
Sep. Now (ρ)
0.14"
Mag pri
7.50
Mag sec
8.80
delta mag (ΔM)
1.3
Spectral class
G2V (yellow)
Pri motion ra
-052
Sec motion ra
Pri motion dec
-014
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Vela
SAO
221055
HIP
45705
Tycho2
7686-00237-1
HD
80542
CD
CD-40 5108
CP
CP-40 3394
Distance
48.12
Distance ly
156.97
last precise pa
313
last precise sep
0.127
 
 
ORBITAL ELEMENTS
 
 
Period (P)10.86y± 0.02 Periastron (T)2013.51y± 0.02 Semi-major axis (a)0.122a± 0.001
Eccentricity (e)0.394± 0.006 Inclination (i)147°± 1.3 Longitude of periastron (ω)260.1°± 1.9
Node (Ω)332.6°± 2.3 Note Grade3(1=Definitive, 9=Indet.)
Equinox2000 Last observation2013
label rho theta
2000 0.125 197.2
2001 0.109 169.8
2002 0.079 126.8
2003 0.066 40.9
2004 0.101 342.4
2005 0.128 313.6
2006 0.140 292.7
2007 0.145 274.1
2008 0.144 255.8
2009 0.140 237.0
2010 0.134 216.7
2011 0.124 193.8
2012 0.106 165.2
2013 0.074 117.7
2014 0.069 29.1
2015 0.106 337.4
2016 0.130 310.4
2017 0.141 290.0
2018 0.145 271.5
2019 0.143 253.2
2020 0.139 234.2
2021 0.132 213.7
2022 0.122 190.3
2023 0.102 160.2
2024 0.070 107.4
2025 0.074 18.8
2026 0.110 332.8
2027 0.132 307.3
2028 0.142 287.3
2029 0.145 269.0
2030 0.143 250.6

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