07079-1542 A 3043 (HD 54336)

 
 
07h 07m 52.46s -15° 42' 01.9" P.A. 326.00 sep 0.3 mag 7.79,8.57 Sp G8/K0III dist. 280.9 pc (916.3 l.y.)
 
 
Coord 2000 07079-1542 Discov num A  3043 Comp Coord arcsec 2000 07 07 52.46 -15 42 01.9
Date first 1926 Date last 2018 Obs 20
Pa first 339 Pa last 325.7 P.A. Now (θ) 328.4°
Sep first 0.3 Sep last 0.293 Sep. Now (ρ) 0.294"
Mag pri 7.79 Mag sec 8.57 delta mag (ΔM) 0.78 Spectral class G8/K0III (yellow)
Pri motion ra -003 Sec motion ra
Pri motion dec -006 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 54336 Constellation Canis Major SAO 152425 HIP 34393
Tycho2 5964-00725-1 Gaia DR2 2936018752830389504 HD 54336 ADS 5814
BD BD-15 1657 Distance 280.9 Distance ly 916.3
 
 
ORBITAL ELEMENTS
 
 
Period (P)113.9y± 5.8 Periastron (T)1960.8y± 2.2 Semi-major axis (a)0.184a± 0.023
Eccentricity (e)0.781± 0.052 Inclination (i)31°± 15 Longitude of periastron (ω)300°± 25
Node (Ω)201°± 28 Notesn ReferenceHrt2012a
Equinox2000 Last observation2010 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 312.2 0.267
2001 313.0 0.269
2002 313.8 0.271
2003 314.6 0.274
2004 315.4 0.276
2005 316.1 0.278
2006 316.8 0.280
2007 317.6 0.282
2008 318.3 0.283
2009 319.0 0.285
2010 319.7 0.286
2011 320.4 0.288
2012 321.1 0.289
2013 321.8 0.290
2014 322.4 0.291
2015 323.1 0.292
2016 323.8 0.292
2017 324.5 0.293
2018 325.1 0.293
2019 325.8 0.294
2020 326.5 0.294
2021 327.1 0.294
2022 327.8 0.294
2023 328.4 0.294
2024 329.1 0.294
2025 329.8 0.293
2026 330.4 0.293
2027 331.1 0.292
2028 331.8 0.292
2029 332.5 0.291
2030 333.1 0.290


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



 
 


wds07079-1542a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic