04563+5206 HU 555 AB

 
 
04h 56m 16.87s +52° 05' 52.2" P.A. 70.00 sep 0.2 mag 8.83,9.14 Sp F8 dist. 124.38 pc (405.73 l.y.)
 
 
Coord 2000 04563+5206 Discov num HU  555 Comp AB Coord arcsec 2000 04 56 16.87 +52 05 52.2
Date first 1902 Date last 2007 Obs 15
Pa first 310 Pa last 69.6 P.A. Now (θ) 69.6°
Sep first 0.2 Sep last 0.207 Sep. Now (ρ) 0.207"
Mag pri 8.83 Mag sec 9.14 delta mag (ΔM) 0.31 Spectral class F8 (yellow-white)
Pri motion ra -003 Sec motion ra
Pri motion dec -054 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
04563+5206 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 24922 04 56 17 +52 05 52 HU 555 AB 2007 15 70 0.2 8.83 9.14 0.31 Y <===
Show HD 31166 24922 04 56 17 +52 05 52 STF 608 AB,C 2019 31 114 4.7 8.19 9.50 1.31
Triple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Auriga SAO 24922 HIP 22951 Tycho2 3356-01206-1
Gaia DR2 260694108166421504 HD 31166 GC 5992 ADS 3520
BD BD+51 999 Distance 124.38 Distance ly 405.73
 
 
ORBITAL ELEMENTS
 
 
Period (P)72.1y Periastron (T)1968.1y Semi-major axis (a)0.21a
Eccentricity (e)0.44 Inclination (i)48.7° Longitude of periastron (ω)104°
Node (Ω)129.4° Notesn ReferenceHei1976
Equinox2000 Last observation1975 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 46.9 0.199
2001 50.2 0.200
2002 53.4 0.202
2003 56.5 0.205
2004 59.6 0.207
2005 62.7 0.209
2006 65.6 0.211
2007 68.5 0.213
2008 71.3 0.216
2009 74.1 0.218
2010 76.8 0.220
2011 79.5 0.222
2012 82.1 0.224
2013 84.7 0.226
2014 87.3 0.227
2015 89.8 0.228
2016 92.3 0.229
2017 94.7 0.230
2018 97.2 0.230
2019 99.7 0.230
2020 102.1 0.230
2021 104.6 0.229
2022 107.1 0.227
2023 109.7 0.225
2024 112.3 0.222
2025 115.0 0.218
2026 117.7 0.214
2027 120.7 0.209
2028 123.8 0.202
2029 127.1 0.195
2030 130.6 0.187


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



 
 


wds04563%2B5206a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic