00167+3629 STT 4 (HD 1224)

 
 
00h 16m 44.54s +36 29' 29.4" P.A. 26.00 sep 0.2 mag 7.94,9.88 Sp G0 dist. 78 pc (254.44 l.y.)
 
 
Coord 2000 00167+3629 Discov num STT   4 Comp Coord arcsec 2000 00 16 44.54 +36 29 29.4
Date first 1845 Date last 2014 Obs 157
Pa first 201 Pa last 25.7 P.A. Now (θ) 303.8°
Sep first 0.5 Sep last 0.17 Sep. Now (ρ) 0.196"
Mag pri 7.94 Mag sec 9.88 delta mag (ΔM) 1.94 Spectral class G0 (yellow)
Pri motion ra +093 Sec motion ra +093
Pri motion dec +053 Sec motion dec +053
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 1224 Constellation Andromeda SAO 53773 HIP 1336
Tycho2 2272-01489-1 Gaia DR2 2876640215778437504 HD 1224 ADS 221
BD BD+35 34 Distance 78 Distance ly 254.44
 
 
ORBITAL ELEMENTS
 
 
Period (P)108.9y Periastron (T)1907.9y Semi-major axis (a)0.35a
Eccentricity (e)0.56 Inclination (i)162.5° Longitude of periastron (ω)356.3°
Node (Ω)10.8° Notesn ReferenceAlz2000a
Equinox Last observation1999 Grade2(1=Definitive, 9=Indet.)
label theta rho
2000 137.8 0.331
2001 134.8 0.319
2002 131.5 0.307
2003 128.0 0.294
2004 124.1 0.281
2005 119.9 0.268
2006 115.2 0.255
2007 110.0 0.241
2008 104.2 0.228
2009 97.7 0.215
2010 90.3 0.203
2011 82.0 0.191
2012 72.7 0.180
2013 62.3 0.171
2014 50.7 0.163
2015 38.3 0.158
2016 25.1 0.155
2017 11.6 0.154
2018 358.3 0.156
2019 345.5 0.160
2020 333.5 0.167
2021 322.5 0.175
2022 312.7 0.185
2023 303.8 0.196
2024 296.0 0.208
2025 289.0 0.220
2026 282.8 0.233
2027 277.2 0.246
2028 272.2 0.259
2029 267.7 0.272
2030 263.5 0.285


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



 
 


wds00167%2B3629b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic