02434-6643 FIN 333

 
 
02H 43M 26.61S -66 42' 51.2" P.A. 214.3 SEP 0.48 MAG 6.83,7.23 SP F5V DIST. 54.35 PC (177.29 L.Y.)
 
 
Coord 2000
02434-6643
Discov num
FIN 333
Comp
Coord arcsec 2000
02 43 26.61 -66 42 51.2
Date first
1955
Date last
2014
Obs
29
Pa first
37
Pa last
215
P.A. Now (θ)
214.3°
Sep first
0.5
Sep last
0.5
Sep. Now (ρ)
0.48"
Mag pri
6.83
Mag sec
7.23
delta mag (ΔM)
0.4
Spectral class
F5V (yellow-white)
Pri motion ra
+107
Sec motion ra
+107
Pri motion dec
-064
Sec motion dec
-064
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Horologium
SAO
248632
HIP
12717
Tycho2
8865-01484-1
HD
17326
HR
823
CD
CD-67 142
CP
CP-67 181
Distance
54.35
Distance ly
177.29
last precise pa
215.4
last precise sep
0.483
 
 
ORBITAL ELEMENTS
 
 
Period (P)33.31y Periastron (T)1994.63y Semi-major axis (a)0.465a
Eccentricity (e)0.96 Inclination (i)91.2° Longitude of periastron (ω)119.9°
Node (Ω)212.6° Note Grade3(1=Definitive, 9=Indet.)
Equinox2000 Last observation2010
label rho theta
2000 0.195 216.2
2001 0.230 215.9
2002 0.263 215.7
2003 0.292 215.5
2004 0.320 215.3
2005 0.345 215.2
2006 0.368 215.1
2007 0.389 215.0
2008 0.408 214.9
2009 0.424 214.8
2010 0.439 214.8
2011 0.451 214.7
2012 0.462 214.6
2013 0.470 214.6
2014 0.476 214.5
2015 0.480 214.5
2016 0.481 214.4
2017 0.479 214.3
2018 0.474 214.3
2019 0.467 214.2
2020 0.456 214.1
2021 0.441 214.1
2022 0.421 214.0
2023 0.396 213.9
2024 0.363 213.8
2025 0.322 213.7
2026 0.266 213.6
2027 0.184 213.3
2028 0.029 32.2
2029 0.007 259.7
2030 0.056 220.1

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