00003-4417 I 1477 (HD 224750)

 
 
00h 00m 19.10s -44° 17' 26.0" P.A. 183.00 sep 0.2 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 2022 Obs 33
Pa first 261 Pa last 183.1 P.A. Now (θ) 326.5°
Sep first 0.5 Sep last 0.212 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)115.4y± 2.9 Periastron (T)2011.58y± 0.86 Semi-major axis (a)0.435a± 0.014
Eccentricity (e)0.717± 0.02 Inclination (i)65.6°± 2.6 Longitude of periastron (ω)297.3°± 2.2
Node (Ω)147.5°± 1.5 Notes ReferenceTok2023a
Equinox2000 Last observation2022 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 324.3 0.357
2001 325.7 0.338
2002 327.3 0.318
2003 329.1 0.296
2004 331.2 0.271
2005 333.8 0.243
2006 337.1 0.212
2007 341.6 0.178
2008 348.4 0.140
2009 0.7 0.099
2010 28.9 0.063
2011 84.2 0.057
2012 120.2 0.087
2013 136.0 0.123
2014 145.0 0.151
2015 151.5 0.172
2016 156.8 0.186
2017 161.5 0.196
2018 165.8 0.202
2019 169.8 0.207
2020 173.8 0.209
2021 177.6 0.211
2022 181.4 0.212
2023 185.2 0.212
2024 188.9 0.213
2025 192.7 0.213
2026 196.5 0.213
2027 200.2 0.213
2028 203.9 0.214
2029 207.6 0.215
2030 211.3 0.216
2031 214.9 0.218
2032 218.4 0.220
2033 221.9 0.223
2034 225.3 0.225
2035 228.6 0.229
2036 231.8 0.233
2037 234.9 0.237
2038 237.9 0.241
2039 240.7 0.246
2040 243.5 0.251
2041 246.1 0.257
2042 248.6 0.262
2043 251.1 0.268
2044 253.4 0.274
2045 255.6 0.280
2046 257.7 0.287
2047 259.7 0.293
2048 261.7 0.300
2049 263.5 0.307
2050 265.3 0.314


 
grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
wds00003-4417d.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic