06549+1158 A 2833 (HD 50722)

 
 
06h 54m 56.96s +11° 57' 56.7" P.A. 141.00 sep 0.5 mag 8.29,9.21 Sp F2IV+F2IV dist. 130.21 pc (424.75 l.y.)
 
 
Coord 2000 06549+1158 Discov num A  2833 Comp Coord arcsec 2000 06 54 56.96 +11 57 56.7
Date first 1914 Date last 2013 Obs 20
Pa first 166 Pa last 140.5 P.A. Now (θ) 140.5°
Sep first 0.6 Sep last 0.456 Sep. Now (ρ) 0.456"
Mag pri 8.29 Mag sec 9.21 delta mag (ΔM) 0.92 Spectral class F2IV+F2IV (yellow-white/yellow-white)
Pri motion ra +009 Sec motion ra
Pri motion dec -064 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 50722 Constellation Gemini SAO 96270 HIP 33240
Tycho2 0756-02060-1 Gaia DR2 3351424626737953024 HD 50722 ADS 5571
BD BD+12 1344 Distance 130.21 Distance ly 424.75
 
 
ORBITAL ELEMENTS
 
 
Period (P)209.09y± 35.98 Periastron (T)1987.13y± 0.19 Semi-major axis (a)0.429a± 0.04
Eccentricity (e)0.927± 0.01 Inclination (i)43.1°± 4.6 Longitude of periastron (ω)240.7°± 8.3
Node (Ω)107.2°± 8.9 Notes ReferenceFMR2020a
Equinox2000 Last observation2008 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 131.0 0.292
2001 132.0 0.305
2002 132.9 0.317
2003 133.7 0.329
2004 134.5 0.341
2005 135.2 0.352
2006 135.9 0.362
2007 136.6 0.373
2008 137.2 0.383
2009 137.8 0.392
2010 138.3 0.401
2011 138.8 0.410
2012 139.3 0.419
2013 139.8 0.428
2014 140.3 0.436
2015 140.7 0.444
2016 141.2 0.452
2017 141.6 0.459
2018 142.0 0.467
2019 142.4 0.474
2020 142.8 0.481
2021 143.1 0.487
2022 143.5 0.494
2023 143.8 0.500
2024 144.2 0.507
2025 144.5 0.513
2026 144.8 0.519
2027 145.2 0.524
2028 145.5 0.530
2029 145.8 0.535
2030 146.1 0.541


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



 
 


wds06549%2B1158b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic