03575-0110 BU 543 (HD 24916)

03h 57m 28.70s -01° 09' 34.0" P.A. 14.00 sep 11.0 mag 8.21,11.45 Sp K4V dist. 15.53 pc (50.66 l.y.)

Coord 2000 03575-0110 Discov num BU  543 Comp Coord arcsec 2000 03 57 28.70 -01 09 34.0
Date first 1877 Date last 2016 Obs 43
Pa first 32 Pa last 14.1 P.A. Now (θ) 14.1°
Sep first 11.2 Sep last 10.968 Sep. Now (ρ) 10.968"
Mag pri 8.21 Mag sec 11.45 delta mag (ΔM) 3.24 Spectral class K4V (yellow-orange)
Pri motion ra -182 Sec motion ra -182
Pri motion dec -142 Sec motion dec -139
Notes N O (See Notes, Orbital solution)




rPM=0.013 (< 0.3, Physical double)

This double is physical.



OTHER CATALOGS AND DESIGNATIONS

Name HD 24916 Constellation Eridanus SAO 130840 HIP 18512
Tycho2 4718-00032-1 Gaia DR2 3256334497479041024 HD 24916 GC 4769
ADS 2894 GL Gl 157A BD BD-01 565 Distance 15.53
Distance ly 50.66




ORBITAL ELEMENTS

Period (P)2243.4236y± 885.1726 Periastron (T)1665.2919y± 520.2125 Semi-major axis (a)23.4402a± 11.72222
Eccentricity (e)0.81188± 0.14587 Inclination (i)106.765°± 8.831 Longitude of periastron (ω)282.419°± 19.416
Node (Ω)57.599°± 63.8 Notesn ReferenceIzm2019
Equinox Last observation2015 Grade5(1=Definitive, 9=Indet.)

label theta rho
2000 16.1 11.011
2001 16.0 11.009
2002 15.9 11.006
2003 15.7 11.003
2004 15.6 11.000
2005 15.5 10.997
2006 15.4 10.994
2007 15.2 10.991
2008 15.1 10.988
2009 15.0 10.985
2010 14.9 10.982
2011 14.7 10.979
2012 14.6 10.976
2013 14.5 10.973
2014 14.4 10.970
2015 14.3 10.967
2016 14.1 10.965
2017 14.0 10.962
2018 13.9 10.959
2019 13.8 10.956
2020 13.6 10.953
2021 13.5 10.950
2022 13.4 10.947
2023 13.3 10.944
2024 13.1 10.941
2025 13.0 10.938
2026 12.9 10.935
2027 12.8 10.932
2028 12.6 10.929
2029 12.5 10.926
2030 12.4 10.923


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



 
 


wds03575-0110b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic