05498-7225 TOK 431 (HD 40107)

 
 
05h 49m 50.21s -72° 24' 45.0" P.A. 77.00 sep 0.1 mag 9.88,11.00 Sp K2V dist. 46.36 pc (151.23 l.y.)
 
 
Coord 2000 05498-7225 Discov num TOK 431 Comp Coord arcsec 2000 05 49 50.21 -72 24 45.0
Date first 2012 Date last 2020 Obs 10
Pa first 196 Pa last 77.3 P.A. Now (θ) 77.3°
Sep first 0.1 Sep last 0.069 Sep. Now (ρ) 0.069"
Mag pri 9.88 Mag sec 11.00 delta mag (ΔM) 1.12 Spectral class K2V (yellow-orange)
Pri motion ra +098 Sec motion ra
Pri motion dec +300 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 40107 Constellation Mensa HIP 27531 Tycho2 9171-00976-1
Gaia DR2 4650754350926885120 HD 40107 CD CD-72 291 CP CP-72 420
Distance 46.36 Distance ly 151.23
 
 
ORBITAL ELEMENTS
 
 
Period (P)18y Periastron (T)2022.45y Semi-major axis (a)0.147a
Eccentricity (e)0.17 Inclination (i)128.3° Longitude of periastron (ω)124.8°
Node (Ω)145.2° Notesn ReferenceTok2020g
Equinox2000 Last observation2020 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 134.7 0.147
2001 120.6 0.126
2002 99.3 0.099
2003 64.3 0.079
2004 22.2 0.084
2005 352.3 0.106
2006 332.7 0.125
2007 317.1 0.132
2008 301.6 0.127
2009 283.8 0.116
2010 262.2 0.106
2011 237.5 0.103
2012 213.7 0.110
2013 194.2 0.124
2014 179.1 0.140
2015 166.9 0.153
2016 156.2 0.160
2017 145.9 0.159
2018 134.7 0.147
2019 120.6 0.126
2020 99.3 0.099
2021 64.3 0.079
2022 22.2 0.084
2023 352.3 0.106
2024 332.7 0.125
2025 317.1 0.132
2026 301.6 0.127
2027 283.8 0.116
2028 262.2 0.106
2029 237.5 0.103
2030 213.7 0.110


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


 
  


wds05498-7225a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic