08542-0229 A 1754 (HD 76119)

 
 
08h 54m 10.97s -02° 28' 36.9" P.A. 128.00 sep 0.4 mag 9.90,10.00 Sp F8
 
 
Coord 2000 08542-0229 Discov num A  1754 Comp Coord arcsec 2000 08 54 10.97 -02 28 36.9
Date first 1908 Date last 2012 Obs 18
Pa first 113 Pa last 128 P.A. Now (θ) 128°
Sep first 0.5 Sep last 0.374 Sep. Now (ρ) 0.374"
Mag pri 9.90 Mag sec 10.00 delta mag (ΔM) 0.1 Spectral class F8 (yellow-white)
Pri motion ra -015 Sec motion ra
Pri motion dec -017 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 76119 Constellation Hydra SAO 136385 Tycho2 4869-00072-1
Gaia DR2 5763621368479318400 HD 76119 ADS 7077
 
 
ORBITAL ELEMENTS
 
 
Period (P)452y Periastron (T)1975.1y Semi-major axis (a)0.53a
Eccentricity (e)0.51 Inclination (i)46° Longitude of periastron (ω)292°
Node (Ω)115.8° Notes ReferenceHrt2010a
Equinox2000 Last observation2009 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 111.5 0.315
2001 112.9 0.320
2002 114.2 0.324
2003 115.4 0.328
2004 116.6 0.332
2005 117.8 0.336
2006 119.0 0.340
2007 120.2 0.343
2008 121.3 0.347
2009 122.4 0.350
2010 123.5 0.354
2011 124.5 0.357
2012 125.6 0.360
2013 126.6 0.363
2014 127.6 0.366
2015 128.6 0.369
2016 129.5 0.372
2017 130.5 0.375
2018 131.4 0.378
2019 132.4 0.380
2020 133.3 0.383
2021 134.2 0.385
2022 135.1 0.387
2023 136.0 0.390
2024 136.9 0.392
2025 137.7 0.394
2026 138.6 0.396
2027 139.4 0.398
2028 140.3 0.400
2029 141.1 0.402
2030 141.9 0.404


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



 
 


wds08542-0229a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic