02442-2530 FIN 379 Aa,Ab

 
 
02h 44m 14.51s -25° 29' 43.9" P.A. 287.00 sep 0.1 mag 7.50,8.10 Sp G3V dist. 41.32 pc (134.79 l.y.)
 
 
Coord 2000 02442-2530 Discov num FIN 379 Comp Aa,Ab Coord arcsec 2000 02 44 14.51 -25 29 43.9
Date first 1963 Date last 2021 Obs 30
Pa first 143 Pa last 287 P.A. Now (θ) 120.4°
Sep first 0.1 Sep last 0.056 Sep. Now (ρ) 0.064"
Mag pri 7.50 Mag sec 8.10 delta mag (ΔM) 0.6 Spectral class G3V (yellow)
Pri motion ra +163 Sec motion ra
Pri motion dec +046 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
02442-2530 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 168012 02 44 15 -25 29 44 FIN 379 Aa,Ab 2021 30 287 0.1 7.50 8.10 0.60 Y <===
Show HD 17134 168012 02 44 15 -25 29 44 BSO 1 AB 2018 33 193 12.5 7.04 8.50 1.46 Y
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Fornax SAO 168012 HIP 12780 Tycho2 6434-01880-1
Gaia DR2 5076722404106123264 HD 17134 CD CD-26 996 Distance 41.32
Distance ly 134.79
 
 
ORBITAL ELEMENTS
 
 
Period (P)6.68917y± 0.0051 Periastron (T)2008.846y± 0.007 Semi-major axis (a)0.1002a± 0.0006
Eccentricity (e)0.4999± 0.0015 Inclination (i)42°± 0.72 Longitude of periastron (ω)191.2°± 0.59
Node (Ω)183.77°± 0.49 Notesn ReferenceTok2016b
Equinox2000 Last observation2015 Grade1(1=Definitive, 9=Indet.)
label theta rho
2000 213.4 0.124
2001 248.2 0.078
2002 350.8 0.051
2003 125.9 0.068
2004 165.9 0.123
2005 184.3 0.148
2006 200.2 0.143
2007 221.2 0.112
2008 270.0 0.064
2009 34.9 0.047
2010 144.1 0.087
2011 172.4 0.134
2012 189.2 0.149
2013 205.7 0.136
2014 231.0 0.098
2015 302.3 0.054
2016 84.5 0.049
2017 155.8 0.105
2018 178.1 0.142
2019 194.0 0.148
2020 212.0 0.127
2021 244.5 0.082
2022 341.9 0.051
2023 120.4 0.064
2024 164.3 0.120
2025 183.2 0.147
2026 199.1 0.144
2027 219.3 0.115
2028 264.5 0.067
2029 24.7 0.048
2030 140.8 0.083


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



 
 


wds02442-2530e.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic