06234-3001 DAW 120 (HD 44970)

 
 
06h 23m 25.77s -30° 01' 00.4" P.A. 254.00 sep 0.2 mag 9.20,9.40 Sp A9V
 
 
Coord 2000 06234-3001 Discov num DAW 120 Comp Coord arcsec 2000 06 23 25.77 -30 01 00.4
Date first 1923 Date last 2019 Obs 9
Pa first 88 Pa last 253.6 P.A. Now (θ) 253.6°
Sep first 0.5 Sep last 0.154 Sep. Now (ρ) 0.154"
Mag pri 9.20 Mag sec 9.40 delta mag (ΔM) 0.2 Spectral class A9V (white)
Pri motion ra -003 Sec motion ra
Pri motion dec -001 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 44970 Constellation Canis Major SAO 171675 Tycho2 7073-01173-1
Gaia DR2 2895061433592812800 HD 44970 ADS 5019
 
 
ORBITAL ELEMENTS
 
 
Period (P)375y Periastron (T)2034.82y Semi-major axis (a)0.407a
Eccentricity (e)0.27 Inclination (i)83.8° Longitude of periastron (ω)145.4°
Node (Ω)84.8° Notes ReferenceTok2020g
Equinox2000 Last observation2019 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 165.9 0.036
2001 179.1 0.035
2002 191.9 0.037
2003 203.3 0.040
2004 212.8 0.044
2005 220.5 0.049
2006 226.6 0.055
2007 231.4 0.062
2008 235.4 0.068
2009 238.6 0.075
2010 241.3 0.082
2011 243.5 0.090
2012 245.4 0.097
2013 247.1 0.104
2014 248.5 0.111
2015 249.7 0.119
2016 250.8 0.126
2017 251.8 0.133
2018 252.7 0.140
2019 253.5 0.147
2020 254.2 0.155
2021 254.9 0.161
2022 255.5 0.168
2023 256.1 0.175
2024 256.6 0.182
2025 257.1 0.188
2026 257.5 0.195
2027 257.9 0.201
2028 258.3 0.207
2029 258.7 0.213
2030 259.1 0.219


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



 
 


wds06234-3001a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic