03035+2304 HDS 389 AB

 
 
03h 03m 28.58s +23° 03' 41.3" P.A. 15.00 sep 0.1 mag 7.29,9.02 Sp F8V+K0V dist. 34.03 pc (111.01 l.y.)
 
 
Coord 2000 03035+2304 Discov num HDS 389 Comp AB Coord arcsec 2000 03 03 28.58 +23 03 41.3
Date first 1991 Date last 2021 Obs 36
Pa first 15 Pa last 14.5 P.A. Now (θ) 216.4°
Sep first 0.2 Sep last 0.145 Sep. Now (ρ) 0.017"
Mag pri 7.29 Mag sec 9.02 delta mag (ΔM) 1.73 Spectral class F8V+K0V (yellow-white/yellow-orange)
Pri motion ra +112 Sec motion ra
Pri motion dec +003 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
03035+2304 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 75711 03 03 29 +23 03 41 HDS 389 AB 2021 36 15 0.1 7.29 9.02 1.73 Y <===
Show HD 18940 75711 03 03 29 +23 03 41 MET 20 AC 2012 2 209 4.5 5.50 10.71 5.21
Show 75711 03 03 29 +23 03 41 MET 20 AD 2002 1 207 4.3 5.50 10.08 4.58
Show 03 03 28 +23 03 37 MET 20 CD 2012 2 100 0.4 10.71 10.08 0.63
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Aries SAO 75711 HIP 14230 Tycho2 1782-00090-1
Gaia DR2 109931856900594432 HD 18940 GC 3657 BD BD+22 425
Distance 34.03 Distance ly 111.01
 
 
ORBITAL ELEMENTS
 
 
Period (P)5.91y± 0.07 Periastron (T)1999.31y± 0.04 Semi-major axis (a)0.11a± 0.005
Eccentricity (e)0.876± 0.009 Inclination (i)68.5°± 2.1 Longitude of periastron (ω)144.1°± 1.9
Node (Ω)21.4°± 0.9 Notesn ReferenceBag2005
Equinox2000 Last observation2003 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 344.8 0.063
2001 359.6 0.132
2002 5.4 0.168
2003 9.6 0.176
2004 14.4 0.149
2005 28.0 0.051
2006 347.5 0.071
2007 0.3 0.136
2008 5.8 0.170
2009 10.0 0.175
2010 15.0 0.144
2011 35.2 0.031
2012 349.6 0.078
2013 0.9 0.140
2014 6.2 0.172
2015 10.4 0.174
2016 15.5 0.139
2017 89.9 0.007
2018 351.4 0.085
2019 1.5 0.144
2020 6.6 0.173
2021 10.8 0.172
2022 16.2 0.133
2023 216.4 0.017
2024 352.9 0.092
2025 2.0 0.148
2026 7.0 0.174
2027 11.2 0.171
2028 16.9 0.127
2029 259.0 0.016
2030 354.2 0.098


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


 
  


wds03035%2B2304a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic