00003-4417 I 1477 (HD 224750)

 
 
00h 00m 19.10s -44° 17' 26.0" P.A. 327.00 sep 0.3 mag 6.80,7.56 Sp G3IV dist. 81.37 pc (265.43 l.y.)
 
 
Coord 2000 00003-4417 Discov num I  1477 Comp Coord arcsec 2000 00 00 19.10 -44 17 26.0
Date first 1926 Date last 2001 Obs 31
Pa first 261 Pa last 326.5 P.A. Now (θ) 326.5°
Sep first 0.5 Sep last 0.312 Sep. Now (ρ) 0.312"
Mag pri 6.80 Mag sec 7.56 delta mag (ΔM) 0.76 Spectral class G3IV (yellow)
Pri motion ra +062 Sec motion ra +062
Pri motion dec -107 Sec motion dec -107
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 224750 Constellation Phoenix SAO 231888 HIP 25
Tycho2 7529-00356-1 Gaia DR2 4994581292009978112 HD 224750 HR 9077
GC 33292 CD CD-4415420 CP CP-4410394 Distance 81.37
Distance ly 265.43
 
 
ORBITAL ELEMENTS
 
 
Period (P)384.1y± 22.5 Periastron (T)2008.2y± 14.9 Semi-major axis (a)1.023a± 0.096
Eccentricity (e)0.703± 0.056 Inclination (i)75.3°± 2.4 Longitude of periastron (ω)246.5°± 3.1
Node (Ω)141.6°± 1.9 Notes ReferenceCve2010e
Equinox2000 Last observation2001 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 324.7 0.359
2001 326.2 0.339
2002 327.8 0.316
2003 329.8 0.292
2004 332.0 0.265
2005 334.9 0.237
2006 338.5 0.207
2007 343.3 0.177
2008 350.1 0.146
2009 0.5 0.117
2010 16.8 0.094
2011 41.0 0.081
2012 68.1 0.084
2013 89.0 0.103
2014 102.4 0.129
2015 111.0 0.160
2016 116.8 0.192
2017 120.9 0.224
2018 124.0 0.255
2019 126.4 0.286
2020 128.4 0.316
2021 130.0 0.346
2022 131.4 0.374
2023 132.5 0.401
2024 133.6 0.428
2025 134.5 0.453
2026 135.3 0.477
2027 136.0 0.501
2028 136.7 0.524
2029 137.3 0.545
2030 137.9 0.566
2031 138.4 0.587
2032 138.9 0.606
2033 139.4 0.625
2034 139.8 0.643
2035 140.3 0.661
2036 140.7 0.678
2037 141.0 0.694
2038 141.4 0.710
2039 141.7 0.725
2040 142.1 0.740
2041 142.4 0.754
2042 142.7 0.768
2043 143.0 0.781
2044 143.3 0.794
2045 143.5 0.806
2046 143.8 0.818
2047 144.1 0.830
2048 144.3 0.841
2049 144.6 0.852
2050 144.8 0.862


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


 
  


wds00003-4417b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic