16195-3054 TOK 410 Ba,Bb

 
 
16h 19m 31.48s -30° 54' 06.9" P.A. 304.00 sep 0.0 mag 7.20,8.30 Sp F9V dist. 212.31 pc (692.56 l.y.)
 
 
Coord 2000 16195-3054 Discov num TOK 410 Comp Ba,Bb Coord arcsec 2000 16 19 31.48 -30 54 06.9
Date first 2014 Date last 2022 Obs 14
Pa first 85 Pa last 303.9 P.A. Now (θ) 303.9°
Sep first 0.0 Sep last 0.019 Sep. Now (ρ) 0.019"
Mag pri 7.20 Mag sec 8.30 delta mag (ΔM) 1.1 Spectral class F9V (yellow-white)
Pri motion ra +083 Sec motion ra
Pri motion dec +027 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
16195-3054 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 146836 207558 16 19 33 -30 54 24 BSO 12 AB 2018 34 318 23.6 5.55 6.88 1.33
Show 207557 16 19 31 -30 54 07 TOK 410 Ba,Bb 2022 14 304 0.0 7.20 8.30 1.10 Y <===
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Scorpius SAO 207557 HIP 79979 Tycho2 7343-02763-1
Gaia DR2 6037514800213601024 HD 146835 GC 21940 CD CD-3013040
Distance 212.31 Distance ly 692.56
 
 
ORBITAL ELEMENTS
 
 
Period (P)2.965y± 0.011 Periastron (T)2016.679y± 0.05 Semi-major axis (a)0.06a± 0.001
Eccentricity (e)0.629± 0.028 Inclination (i)81.5°± 1.5 Longitude of periastron (ω)347.7°± 6.8
Node (Ω)105°± 1.1 Notesn ReferenceTok2021f
Equinox Last observation2021 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 280.9 0.084
2001 286.8 0.083
2002 122.5 0.014
2003 281.1 0.086
2004 287.1 0.081
2005 134.7 0.010
2006 281.4 0.087
2007 287.4 0.079
2008 159.9 0.007
2009 281.6 0.089
2010 287.7 0.076
2011 203.4 0.006
2012 281.8 0.090
2013 288.0 0.074
2014 236.0 0.009
2015 282.0 0.091
2016 288.3 0.071
2017 251.5 0.013
2018 282.2 0.092
2019 288.7 0.068
2020 259.4 0.017
2021 282.4 0.093
2022 289.1 0.065
2023 264.2 0.022
2024 282.6 0.094
2025 289.5 0.061
2026 267.3 0.026
2027 282.8 0.095
2028 290.0 0.058
2029 269.6 0.030
2030 283.0 0.095


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



 
 


wds16195-3054a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic