12351+0727 STF 1658 AB (HD 109499)

 
 
12h 35m 07.88s +07° 26' 34.6" P.A. 20.00 sep 2.8 mag 8.08,10.52 Sp F8 dist. 69.54 pc (226.84 l.y.)
 
 
Coord 2000 12351+0727 Discov num STF1658 Comp AB Coord arcsec 2000 12 35 07.88 +07 26 34.6
Date first 1830 Date last 2018 Obs 126
Pa first 342 Pa last 20.3 P.A. Now (θ) 20.3°
Sep first 2.0 Sep last 2.807 Sep. Now (ρ) 2.807"
Mag pri 8.08 Mag sec 10.52 delta mag (ΔM) 2.44 Spectral class F8 (yellow-white)
Pri motion ra +153 Sec motion ra +154
Pri motion dec -088 Sec motion dec -081
Notes N O (See Notes, Orbital solution)
rPM=0.04 (< 0.3, Physical double)
This double is physical.
 
 
12351+0727 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 109499 119484 12 35 08 +07 26 35 STF 1658 AB 2018 126 20 2.8 8.08 10.52 2.44 Y <===
Show 119484 12 35 08 +07 26 35 STF 1658 AC 2016 31 266 129.1 8.08 9.10 1.02
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 109499 Constellation Virgo SAO 119484 HIP 61419
Tycho2 0295-00070-1 Gaia DR2 3710226984917798784 HD 109499 GC 17145
BD BD+08 2621 Distance 69.54 Distance ly 226.84
 
 
ORBITAL ELEMENTS
 
 
Period (P)1797.2308y± 784.555 Periastron (T)1731.6236y± 363.1011 Semi-major axis (a)5.66667a± 3.10936
Eccentricity (e)0.85959± 0.13041 Inclination (i)67.045°± 14.525 Longitude of periastron (ω)107.803°± 24.696
Node (Ω)125.517°± 78.125 Notesn ReferenceIzm2019
Equinox Last observation2015 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 17.3 2.718
2001 17.5 2.722
2002 17.7 2.725
2003 17.8 2.729
2004 18.0 2.732
2005 18.2 2.736
2006 18.3 2.739
2007 18.5 2.743
2008 18.7 2.746
2009 18.9 2.750
2010 19.0 2.753
2011 19.2 2.757
2012 19.4 2.760
2013 19.5 2.764
2014 19.7 2.768
2015 19.9 2.771
2016 20.0 2.775
2017 20.2 2.778
2018 20.4 2.782
2019 20.5 2.785
2020 20.7 2.789
2021 20.9 2.793
2022 21.0 2.796
2023 21.2 2.800
2024 21.3 2.804
2025 21.5 2.807
2026 21.7 2.811
2027 21.8 2.814
2028 22.0 2.818
2029 22.2 2.822
2030 22.3 2.825


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



 
 


wds12351%2B0727a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic