01376-0924 KUI 7 (HD 10009)

 
 
01h 37m 37.70s -09° 24' 13.6" P.A. 158.00 sep 0.2 mag 6.80,7.20 Sp F7V dist. 40.39 pc (131.75 l.y.)
 
 
Coord 2000 01376-0924 Discov num KUI   7 Comp Coord arcsec 2000 01 37 37.70 -09 24 13.6
Date first 1934 Date last 2020 Obs 96
Pa first 157 Pa last 158 P.A. Now (θ) 156.7°
Sep first 0.2 Sep last 0.21 Sep. Now (ρ) 0.27"
Mag pri 6.80 Mag sec 7.20 delta mag (ΔM) 0.4 Spectral class F7V (yellow-white)
Pri motion ra +259 Sec motion ra
Pri motion dec +093 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 10009 Constellation Cetus SAO 129412 HIP 7580
Tycho2 5277-02394-1 Gaia DR2 2464859126762143616 HD 10009 HR 466
GC 1971 BD BD-10 343 FK5 2109 Distance 40.39
Distance ly 131.75
 
 
ORBITAL ELEMENTS
 
 
Period (P)28.83y± 0.25 Periastron (T)1989.915y± 0.021 Semi-major axis (a)0.292a± 0.009
Eccentricity (e)0.748± 0.005 Inclination (i)97.4°± 0.2 Longitude of periastron (ω)248.8°± 0.3
Node (Ω)161.1°± 1.7 Notesn ReferenceTok1993
Equinox Last observation1989 Grade2(1=Definitive, 9=Indet.)
label theta rho
2000 150.1 0.269
2001 148.7 0.255
2002 147.3 0.239
2003 145.5 0.221
2004 143.5 0.201
2005 141.0 0.180
2006 137.8 0.158
2007 133.5 0.134
2008 127.4 0.111
2009 118.1 0.088
2010 103.0 0.069
2011 78.7 0.056
2012 48.5 0.056
2013 24.5 0.069
2014 9.5 0.088
2015 360.0 0.108
2016 353.3 0.125
2017 347.9 0.131
2018 341.8 0.106
2019 195.6 0.018
2020 162.9 0.139
2021 159.8 0.207
2022 158.0 0.246
2023 156.7 0.270
2024 155.5 0.284
2025 154.4 0.290
2026 153.3 0.290
2027 152.2 0.286
2028 151.1 0.278
2029 149.9 0.266
2030 148.5 0.252


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



 
 


wds01376-0924a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic