02009-4350 I   265

 
 
02H 00M 52.92S -43 49' 51.4" P.A. 228.1 SEP 0.64 MAG 8.63,9.64 SP F7V DIST. 83.06 PC (270.94 L.Y.)
 
 
Coord 2000
02009-4350
Discov num
I   265
Comp
Coord arcsec 2000
02 00 52.92 -43 49 51.4
Date first
1898
Date last
2014
Obs
28
Pa first
20
Pa last
227
P.A. Now (θ)
228.1°
Sep first
0.6
Sep last
0.6
Sep. Now (ρ)
0.64"
Mag pri
8.63
Mag sec
9.64
delta mag (ΔM)
1.01
Spectral class
F7V (yellow-white)
Pri motion ra
-013
Sec motion ra
Pri motion dec
-056
Sec motion dec
Notes
O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Phoenix
SAO
215737
HIP
9408
Tycho2
7556-00776-1
HD
12439
CD
CD-44 587
CP
CP-44 235
Distance
83.06
Distance ly
270.94
last precise pa
227.3
last precise sep
0.617
 
 
ORBITAL ELEMENTS
 
 
Period (P)775y Periastron (T)1977.26y Semi-major axis (a)1.209a
Eccentricity (e)0.744 Inclination (i)68.9° Longitude of periastron (ω)271.2°
Node (Ω)222.6° Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation2008
label rho theta
2000 0.466 219.0
2001 0.479 219.8
2002 0.492 220.5
2003 0.504 221.1
2004 0.515 221.7
2005 0.527 222.3
2006 0.538 222.9
2007 0.548 223.5
2008 0.558 224.0
2009 0.568 224.5
2010 0.578 225.0
2011 0.587 225.5
2012 0.596 226.0
2013 0.605 226.4
2014 0.613 226.9
2015 0.621 227.3
2016 0.629 227.7
2017 0.637 228.1
2018 0.644 228.5
2019 0.652 228.9
2020 0.659 229.3
2021 0.665 229.7
2022 0.672 230.0
2023 0.679 230.4
2024 0.685 230.7
2025 0.691 231.1
2026 0.697 231.4
2027 0.702 231.7
2028 0.708 232.1
2029 0.713 232.4
2030 0.719 232.7

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