02396-5425 HU 1350 (HD 16795)

 
 
02h 39m 37.90s -54° 25' 00.8" P.A. 40.00 sep 0.9 mag 9.52,9.94 Sp G0V dist. 101.32 pc (330.51 l.y.)
 
 
Coord 2000 02396-5425 Discov num HU 1350 Comp Coord arcsec 2000 02 39 37.90 -54 25 00.8
Date first 1911 Date last 2018 Obs 19
Pa first 210 Pa last 40 P.A. Now (θ) 40°
Sep first 0.5 Sep last 0.857 Sep. Now (ρ) 0.857"
Mag pri 9.52 Mag sec 9.94 delta mag (ΔM) 0.42 Spectral class G0V (yellow)
Pri motion ra -034 Sec motion ra -034
Pri motion dec -014 Sec motion dec -014
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 16795 Constellation Horologium SAO 232850 HIP 12397
Tycho2 8484-01492-1 Gaia DR2 4741383211745957120 HD 16795 CP CP-54 464
Distance 101.32 Distance ly 330.51
 
 
ORBITAL ELEMENTS
 
 
Period (P)250y Periastron (T)1903y Semi-major axis (a)0.79a
Eccentricity (e)0.434 Inclination (i)124.7° Longitude of periastron (ω)135.9°
Node (Ω)7.6° Notes ReferenceUSN2002
Equinox2000 Last observation1991 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 54.8 0.749
2001 54.0 0.756
2002 53.2 0.764
2003 52.4 0.771
2004 51.6 0.778
2005 50.9 0.785
2006 50.1 0.792
2007 49.4 0.799
2008 48.7 0.806
2009 48.0 0.813
2010 47.3 0.820
2011 46.6 0.827
2012 46.0 0.834
2013 45.3 0.840
2014 44.7 0.847
2015 44.0 0.853
2016 43.4 0.860
2017 42.8 0.866
2018 42.2 0.872
2019 41.6 0.878
2020 41.0 0.884
2021 40.4 0.890
2022 39.8 0.896
2023 39.2 0.902
2024 38.7 0.908
2025 38.1 0.913
2026 37.6 0.919
2027 37.0 0.924
2028 36.5 0.929
2029 36.0 0.934
2030 35.4 0.939


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



 
 


wds02396-5425a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic