00596-0111 A 1903 AB (HD 5805)

 
 
00h 59m 35.07s -01 11' 30.5" P.A. 35.00 sep 0.4 mag 9.28,9.94 Sp G5 dist. 84.6 pc (275.97 l.y.)
 
 
Coord 2000 00596-0111 Discov num A  1903 Comp AB Coord arcsec 2000 00 59 35.07 -01 11 30.5
Date first 1908 Date last 2019 Obs 79
Pa first 87 Pa last 34.6 P.A. Now (θ) 38.7°
Sep first 0.4 Sep last 0.403 Sep. Now (ρ) 0.407"
Mag pri 9.28 Mag sec 9.94 delta mag (ΔM) 0.66 Spectral class G5 (yellow)
Pri motion ra +095 Sec motion ra
Pri motion dec +084 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
00596-0111 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 5805 129065 00 59 35 -01 11 30 A 1903 AB 2019 79 35 0.4 9.28 9.94 0.66 Y <===
Show 129065 00 59 35 -01 11 30 A 1903 AB,C 2014 12 32 6.3 8.78 13.70 4.92
Triple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 5805 Constellation Cetus SAO 129065 HIP 4641
Tycho2 4674-01022-1 Gaia DR2 2535725468670382720 HD 5805 ADS 822
BD BD-01 125 Distance 84.6 Distance ly 275.97
 
 
ORBITAL ELEMENTS
 
 
Period (P)143.4y Periastron (T)1957y Semi-major axis (a)0.354a
Eccentricity (e)0.225 Inclination (i)20.4° Longitude of periastron (ω)84°
Node (Ω)145° Notesn ReferenceHrt2010a
Equinox2000 Last observation2008 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 357.3 0.385
2001 359.2 0.387
2002 1.1 0.389
2003 3.0 0.391
2004 4.9 0.392
2005 6.7 0.394
2006 8.6 0.395
2007 10.4 0.396
2008 12.2 0.398
2009 14.1 0.399
2010 15.9 0.400
2011 17.6 0.401
2012 19.4 0.402
2013 21.2 0.402
2014 23.0 0.403
2015 24.7 0.404
2016 26.5 0.404
2017 28.3 0.405
2018 30.0 0.405
2019 31.8 0.406
2020 33.5 0.406
2021 35.2 0.406
2022 37.0 0.407
2023 38.7 0.407
2024 40.4 0.407
2025 42.2 0.407
2026 43.9 0.407
2027 45.7 0.407
2028 47.4 0.407
2029 49.1 0.407
2030 50.9 0.407


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



 
 


wds00596-0111c.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic