19453-6823 TOK 425 Ba,Bb

 
 
19h 45m 15.54s -68° 23' 22.3" P.A. 121.00 sep 0.1 mag 13.20,15.00 dist. 46.86 pc (152.86 l.y.)
 
 
Coord 2000 19453-6823 Discov num TOK 425 Comp Ba,Bb Coord arcsec 2000 19 45 15.54 -68 23 22.3
Date first 2014 Date last 2023 Obs 16
Pa first 312 Pa last 120.7 P.A. Now (θ) 106°
Sep first 0.1 Sep last 0.09 Sep. Now (ρ) 0.06"
Mag pri 13.20 Mag sec 15.00 delta mag (ΔM) 1.8 Spectral class
Pri motion ra Sec motion ra
Pri motion dec Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
19453-6823 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 19 45 16 -68 23 22 HDS 2806 AB 2022 21 108 0.4 10.34 12.97 2.63 Y
Show 19 45 16 -68 23 22 TOK 425 Ba,Bb 2023 16 121 0.1 13.20 15.00 1.80 Y <===
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Pavo HIP 97196 Tycho2 9306-01188-1 Gaia DR2 6426760779929152896
HD 185655 CP CP-68 3294 Distance 46.86 Distance ly 152.86
 
 
ORBITAL ELEMENTS
 
 
Period (P)4.291y± 0.072 Periastron (T)2017.128y± 0.079 Semi-major axis (a)0.0503a± 0.0046
Eccentricity (e)0.85 Inclination (i)133.1°± 9.7 Longitude of periastron (ω)203.8°± 20.7
Node (Ω)139.5°± 12.9 Notesn ReferenceTok2024c
Equinox Last observation Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 239.7 0.007
2001 134.5 0.075
2002 123.8 0.089
2003 112.8 0.074
2004 75.9 0.024
2005 139.0 0.064
2006 126.6 0.088
2007 116.5 0.081
2008 96.9 0.043
2009 146.2 0.047
2010 129.5 0.085
2011 119.7 0.086
2012 105.6 0.058
2013 166.4 0.022
2014 132.8 0.079
2015 122.6 0.089
2016 111.0 0.070
2017 46.2 0.014
2018 136.8 0.069
2019 125.4 0.089
2020 115.0 0.078
2021 90.6 0.035
2022 142.5 0.055
2023 128.2 0.087
2024 118.3 0.084
2025 102.4 0.052
2026 153.7 0.035
2027 131.3 0.082
2028 121.3 0.088
2029 108.9 0.065
2030 304.2 0.007
2031 135.0 0.074
2032 124.1 0.089
2033 113.4 0.075
2034 80.4 0.026
2035 139.7 0.062
2036 127.0 0.088
2037 116.9 0.082
2038 98.4 0.046
2039 147.5 0.045
2040 129.9 0.084
2041 120.1 0.087
2042 106.4 0.060
2043 174.0 0.017
2044 133.3 0.078
2045 122.9 0.089
2046 111.5 0.071
2047 58.5 0.017
2048 137.4 0.068
2049 125.7 0.089
2050 115.5 0.079


 
grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
wds19453-6823d.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic