12151-0715 STF 1619 AB (HD 106515)

 
 
12h 15m 06.57s -07° 15' 26.4" P.A. 266.00 sep 7.0 mag 8.06,8.30 Sp G5 dist. 35.19 pc (114.79 l.y.)
 
 
Coord 2000 12151-0715 Discov num STF1619 Comp AB Coord arcsec 2000 12 15 06.57 -07 15 26.4
Date first 1795 Date last 2020 Obs 145
Pa first 295 Pa last 265.5 P.A. Now (θ) 265.5°
Sep first 8.0 Sep last 6.96 Sep. Now (ρ) 6.96"
Mag pri 8.06 Mag sec 8.30 delta mag (ΔM) 0.24 Spectral class G5 (yellow)
Pri motion ra -249 Sec motion ra -241
Pri motion dec -055 Sec motion dec -070
Notes N O T (See Notes, Orbital solution, Parallax indicates physical)
rPM=0.067 (< 0.3, Physical double)
This double is physical.
 
 
12151-0715 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 106515 138674 12 15 07 -07 15 26 STF 1619 AB 2020 145 266 7.0 8.06 8.30 0.24 Y <===
Show 138674 12 15 07 -07 15 26 STF 1619 AC 2015 15 163 99.1 8.06 10.46 2.40
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 106515 Constellation Virgo SAO 138674 HIP 59743
Tycho2 4946-01328-1 Gaia DR2 3584074376569429248 HD 106515 GC 16730
ADS 8477 BD BD-06 3532 Distance 35.19 Distance ly 114.79
 
 
ORBITAL ELEMENTS
 
 
Period (P)4802.1y± 1769 Periastron (T)2376.4y± 61.7 Semi-major axis (a)9.822a± 2.009
Eccentricity (e)0.42± 0.105 Inclination (i)164.45°± 7.4 Longitude of periastron (ω)250.5°± 26.15
Node (Ω)92.06°± 23.9 Notesn ReferenceFMR2017
Equinox2000 Last observation2014 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 268.0 6.921
2001 267.9 6.915
2002 267.8 6.910
2003 267.6 6.904
2004 267.5 6.899
2005 267.4 6.893
2006 267.2 6.888
2007 267.1 6.882
2008 267.0 6.876
2009 266.8 6.871
2010 266.7 6.865
2011 266.6 6.860
2012 266.4 6.854
2013 266.3 6.849
2014 266.2 6.843
2015 266.0 6.838
2016 265.9 6.833
2017 265.8 6.827
2018 265.6 6.822
2019 265.5 6.816
2020 265.4 6.811
2021 265.2 6.805
2022 265.1 6.800
2023 264.9 6.794
2024 264.8 6.789
2025 264.7 6.783
2026 264.5 6.778
2027 264.4 6.772
2028 264.3 6.767
2029 264.1 6.762
2030 264.0 6.756


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



 
 


wds12151-0715a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic