04364+3413 HU 610 (HD 280026)

 
 
04h 36m 24.76s +34° 12' 33.3" P.A. 280.00 sep 0.1 mag 10.21,9.96 Sp G5 dist. 103.09 pc (336.28 l.y.)
 
 
Coord 2000 04364+3413 Discov num HU  610 Comp Coord arcsec 2000 04 36 24.76 +34 12 33.3
Date first 1902 Date last 2007 Obs 20
Pa first 28 Pa last 279.6 P.A. Now (θ) 37.1°
Sep first 0.2 Sep last 0.133 Sep. Now (ρ) 0.161"
Mag pri 10.21 Mag sec 9.96 delta mag (ΔM) 0.25 Spectral class G5 (yellow)
Pri motion ra +091 Sec motion ra
Pri motion dec +043 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 280026 Constellation Perseus SAO 57335 HIP 21454
Tycho2 2381-00242-1 Gaia DR2 173761599270446208 HD 280026 ADS 3323
BD BD+33 884 Distance 103.09 Distance ly 336.28
 
 
ORBITAL ELEMENTS
 
 
Period (P)59.25y± 1 Periastron (T)2004.71y± 0.2 Semi-major axis (a)0.176a± 0.002
Eccentricity (e)0.383± 0.002 Inclination (i)46.2°± 1 Longitude of periastron (ω)146.8°± 3
Node (Ω)98.1°± 2 Notesn ReferenceTam2006
Equinox2000 Last observation2004 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 180.5 0.089
2001 196.7 0.084
2002 213.9 0.084
2003 230.2 0.088
2004 244.7 0.095
2005 257.2 0.102
2006 268.0 0.108
2007 277.8 0.114
2008 286.8 0.117
2009 295.4 0.119
2010 303.9 0.120
2011 312.3 0.120
2012 320.7 0.120
2013 329.1 0.120
2014 337.4 0.121
2015 345.6 0.122
2016 353.6 0.124
2017 1.2 0.128
2018 8.3 0.132
2019 15.0 0.137
2020 21.2 0.142
2021 27.0 0.148
2022 32.2 0.154
2023 37.1 0.161
2024 41.5 0.168
2025 45.7 0.174
2026 49.5 0.181
2027 53.0 0.187
2028 56.3 0.193
2029 59.5 0.199
2030 62.4 0.205


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



 
 


wds04364%2B3413b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic