02201-0332 HDS 305 Aa,Ab (HD 14473)

 
 
02h 20m 04.95s -03° 32' 05.3" P.A. 101.00 sep 0.1 mag 8.78,9.09 Sp F5 dist. 90.01 pc (293.61 l.y.)
 
 
Coord 2000 02201-0332 Discov num HDS 305 Comp Aa,Ab Coord arcsec 2000 02 20 04.95 -03 32 05.3
Date first 1991 Date last 2021 Obs 11
Pa first 341 Pa last 100.9 P.A. Now (θ) 143.8°
Sep first 0.1 Sep last 0.053 Sep. Now (ρ) 0.072"
Mag pri 8.78 Mag sec 9.09 delta mag (ΔM) 0.31 Spectral class F5 (yellow-white)
Pri motion ra -087 Sec motion ra
Pri motion dec -046 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
02201-0332 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 14473 129837 02 20 05 -03 32 05 HDS 305 Aa,Ab 2021 11 101 0.1 8.78 9.09 0.31 Y <===
Show 129837 02 20 05 -03 32 05 HEI 887 AB 1996 2 106 1.7 8.78 12.80 4.02
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 14473 Constellation Cetus SAO 129837 HIP 10885
Tycho2 4694-00994-1 Gaia DR2 2492934262824268928 HD 14473 BD BD-04 379
Distance 90.01 Distance ly 293.61
 
 
ORBITAL ELEMENTS
 
 
Period (P)24.08y Periastron (T)1998.53y Semi-major axis (a)0.122a
Eccentricity (e)0.387 Inclination (i)40.8° Longitude of periastron (ω)318.2°
Node (Ω)165.4° Notes ReferenceTok2018i
Equinox2000 Last observation2018 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 171.7 0.083
2001 192.9 0.088
2002 212.0 0.092
2003 229.8 0.096
2004 245.9 0.101
2005 260.1 0.108
2006 272.3 0.117
2007 282.9 0.126
2008 292.0 0.135
2009 300.1 0.142
2010 307.4 0.149
2011 314.1 0.154
2012 320.5 0.157
2013 326.7 0.158
2014 333.0 0.157
2015 339.5 0.152
2016 346.5 0.144
2017 354.6 0.133
2018 4.4 0.118
2019 17.4 0.100
2020 36.8 0.080
2021 67.5 0.064
2022 108.3 0.062
2023 143.8 0.072
2024 169.9 0.082
2025 191.3 0.088
2026 210.5 0.091
2027 228.4 0.095
2028 244.7 0.101
2029 259.0 0.108
2030 271.4 0.116


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


 
  


wds02201-0332b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic