04349+3908 HU 1082 (HD 276666)

 
 
04h 34m 53.12s +39° 08' 30.2" P.A. 189.00 sep 0.2 mag 9.50,10.08 Sp K5 dist. 37.29 pc (121.64 l.y.)
 
 
Coord 2000 04349+3908 Discov num HU 1082 Comp Coord arcsec 2000 04 34 53.12 +39 08 30.2
Date first 1904 Date last 2016 Obs 38
Pa first 160 Pa last 189 P.A. Now (θ) 302.2°
Sep first 0.3 Sep last 0.244 Sep. Now (ρ) 0.091"
Mag pri 9.50 Mag sec 10.08 delta mag (ΔM) 0.58 Spectral class K5 (yellow-orange)
Pri motion ra -078 Sec motion ra -078
Pri motion dec -094 Sec motion dec -094
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 276666 Constellation Perseus SAO 57317 HIP 21352
Tycho2 2880-00604-1 HD 276666 ADS 3303 GL NN 3299A
BD BD+38 912 Distance 37.29 Distance ly 121.64
 
 
ORBITAL ELEMENTS
 
 
Period (P)53.17y Periastron (T)2023.24y Semi-major axis (a)0.362a
Eccentricity (e)0.746 Inclination (i)48.9° Longitude of periastron (ω)216.3°
Node (Ω)108.9° Notes ReferenceDoc2020f
Equinox Last observation2007 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 138.9 0.542
2001 140.2 0.533
2002 141.6 0.522
2003 143.1 0.510
2004 144.6 0.497
2005 146.2 0.483
2006 148.0 0.467
2007 149.8 0.451
2008 151.8 0.433
2009 154.0 0.414
2010 156.3 0.394
2011 159.0 0.373
2012 161.9 0.351
2013 165.3 0.327
2014 169.2 0.303
2015 173.9 0.278
2016 179.4 0.251
2017 186.3 0.225
2018 195.0 0.199
2019 206.2 0.174
2020 221.1 0.151
2021 240.7 0.132
2022 266.1 0.116
2023 302.2 0.091
2024 10.0 0.071
2025 61.7 0.115
2026 80.9 0.175
2027 90.6 0.229
2028 96.8 0.276
2029 101.2 0.317
2030 104.6 0.354


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



 
 


wds04349%2B3908b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic