23506-5142 SLR 14 (HD 223551)

 
 
23h 50m 34.40s -51° 42' 19.4" P.A. 55.00 sep 1.0 mag 8.28,8.59 Sp G5 dist. 39.12 pc (127.61 l.y.)
 
 
Coord 2000 23506-5142 Discov num SLR  14 Comp Coord arcsec 2000 23 50 34.40 -51 42 19.4
Date first 1891 Date last 2018 Obs 63
Pa first 70 Pa last 54.9 P.A. Now (θ) 46.2°
Sep first 0.9 Sep last 0.992 Sep. Now (ρ) 0.993"
Mag pri 8.28 Mag sec 8.59 delta mag (ΔM) 0.31 Spectral class G5 (yellow)
Pri motion ra +071 Sec motion ra +071
Pri motion dec -100 Sec motion dec -100
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 223551 Constellation Phoenix SAO 248037 HIP 117570
Tycho2 8463-01172-1 Gaia DR2 6522076201694155392 HD 223551 GC 33078
CP CP-5212220 Distance 39.12 Distance ly 127.61
 
 
ORBITAL ELEMENTS
 
 
Period (P)116.1964y± 1.5976 Periastron (T)1978.3608y± 0.3695 Semi-major axis (a)0.81479a± 0.00862
Eccentricity (e)0.26425± 0.00924 Inclination (i)153.944°± 1.874 Longitude of periastron (ω)212.119°± 4.998
Node (Ω)51.965°± 4.035 Notesn ReferenceIzm2019
Equinox Last observation2013 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 99.3 0.739
2001 96.1 0.754
2002 93.0 0.770
2003 90.1 0.785
2004 87.3 0.800
2005 84.5 0.815
2006 81.9 0.830
2007 79.3 0.844
2008 76.9 0.857
2009 74.5 0.871
2010 72.2 0.883
2011 69.9 0.895
2012 67.7 0.907
2013 65.6 0.918
2014 63.5 0.928
2015 61.4 0.938
2016 59.4 0.947
2017 57.5 0.955
2018 55.5 0.963
2019 53.6 0.971
2020 51.7 0.977
2021 49.9 0.983
2022 48.1 0.989
2023 46.2 0.993
2024 44.4 0.998
2025 42.7 1.001
2026 40.9 1.004
2027 39.1 1.007
2028 37.4 1.008
2029 35.6 1.010
2030 33.9 1.010
2031 32.1 1.010
2032 30.4 1.010
2033 28.6 1.009
2034 26.9 1.007
2035 25.1 1.005
2036 23.4 1.003
2037 21.6 1.000
2038 19.8 0.996
2039 18.0 0.992
2040 16.2 0.988
2041 14.3 0.983
2042 12.5 0.978
2043 10.6 0.972
2044 8.7 0.966
2045 6.8 0.960
2046 4.8 0.953
2047 2.9 0.946
2048 0.9 0.938
2049 358.8 0.931
2050 356.7 0.923


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



 
 


wds23506-5142c.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic