02225-2349 LAF  27 (Kap For)

 
 
02h 22m 32.55s -23 48' 58.8" P.A. 118.6 sep 0.37 mag 5.20,10.20 Sp G1V dist. 21.96 pc (71.63 l.y.)
 
 
Coord 2000
02225-2349
Discov num
LAF  27
Comp
Coord arcsec 2000
02 22 32.55 -23 48 58.8
Date first
2005
Date last
2015
Obs
31
Pa first
267
Pa last
87
P.A. Now (θ)
118.6°
Sep first
0.5
Sep last
0.3
Sep. Now (ρ)
0.37"
Mag pri
5.20
Mag sec
10.20
delta mag (ΔM)
5
Spectral class
G1V (yellow)
Pri motion ra
+197
Sec motion ra
Pri motion dec
-004
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
86.7
Precise sep
0.266
Name
Kap For
Constellation
Fornax
SAO
167736
HIP
11072
HD
14802
HR
695
GC
2862
GL
Gl 97
CD
CD-24 1038
CP
CP-24 276
Bayer
Kappa Fornacis
Bayer name
Kap For
Distance
21.96
Distance ly
71.63
last precise pa
86.7
last precise sep
0.266
 
 
ORBITAL ELEMENTS
 
 
Period (P)25.81y± 0.15 Periastron (T)1988.89y± 0.17 Semi-major axis (a)0.521a± 0.004
Eccentricity (e)0.339± 0.013 Inclination (i)50.4°± 0.5 Longitude of periastron (ω)266.3°± 1
Node (Ω)139.8°± 1.4 Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation2012
label rho theta
2000 0.465 204.2
2001 0.452 215.0
2002 0.445 226.4
2003 0.445 237.9
2004 0.451 249.2
2005 0.462 260.1
2006 0.476 270.5
2007 0.490 280.2
2008 0.500 289.4
2009 0.501 298.5
2010 0.490 307.7
2011 0.460 317.7
2012 0.407 329.7
2013 0.330 346.5
2014 0.250 14.2
2015 0.222 58.1
2016 0.280 96.3
2017 0.365 118.6
2018 0.437 132.7
2019 0.486 143.3
2020 0.514 152.3
2021 0.524 160.7
2022 0.522 169.0
2023 0.511 177.4
2024 0.496 186.4
2025 0.478 196.0
2026 0.462 206.2
2027 0.450 217.2
2028 0.444 228.5
2029 0.445 240.0
2030 0.452 251.3

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

grafico orbita





wds02225-2349a.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
02225-2349 LAF 27 2005 1 267 0.5 5.19 11.20 G1V N D 022232.55-234858.8
02225-2349 LAF 27 2010 11 138 0.5 5.19 11.20 G1V N D 022232.55-234858.8
02225-2349 LAF 27 2012 18 343 0.3 5.20 10.20 G1V NOD 022232.55-234858.8
02225-2349 LAF 27 2013 24 7 0.3 5.20 10.20 G1V NO 022232.55-234858.8
02225-2349 LAF 27 2014 26 47 0.2 5.20 10.20 G1V NO 022232.55-234858.8
02225-2349 LAF 27 2015 27 87 0.3 5.20 10.20 G1V NO 022232.55-234858.8

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