17207-0706 A 2593 AB

 
 
17h 20m 43.07s -07° 06' 23.8" P.A. 329.00 sep 0.3 mag 9.11,10.84 Sp G5 dist. 65.27 pc (212.91 l.y.)
 
 
Coord 2000 17207-0706 Discov num A  2593 Comp AB Coord arcsec 2000 17 20 43.07 -07 06 23.8
Date first 1913 Date last 2019 Obs 40
Pa first 138 Pa last 328.6 P.A. Now (θ) 318°
Sep first 0.2 Sep last 0.268 Sep. Now (ρ) 0.221"
Mag pri 9.11 Mag sec 10.84 delta mag (ΔM) 1.73 Spectral class G5 (yellow)
Pri motion ra +031 Sec motion ra
Pri motion dec -038 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
17207-0706 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 141620 17 20 43 -07 06 24 A 2593 AB 2019 40 329 0.3 9.11 10.84 1.73 Y <===
Show 141620 17 20 43 -07 06 24 TOK 178 AC 2015 9 109 10.2 8.78 15.21 6.43
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Ophiuchus SAO 141620 HIP 84866 Tycho2 5078-00094-1
HD 156952 ADS 10480 BD BD-06 4581 Distance 65.27
Distance ly 212.91
 
 
ORBITAL ELEMENTS
 
 
Period (P)73.99y Periastron (T)1989.46y Semi-major axis (a)0.27a
Eccentricity (e)0.026 Inclination (i)123.4° Longitude of periastron (ω)61.9°
Node (Ω)167.6° Notesn ReferenceMsn2014a
Equinox2000 Last observation2013 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 36.6 0.175
2001 30.6 0.185
2002 25.2 0.196
2003 20.4 0.207
2004 16.0 0.217
2005 12.1 0.227
2006 8.4 0.237
2007 5.1 0.245
2008 1.9 0.253
2009 359.0 0.259
2010 356.1 0.265
2011 353.4 0.269
2012 350.7 0.272
2013 348.1 0.273
2014 345.5 0.273
2015 342.9 0.272
2016 340.2 0.269
2017 337.5 0.266
2018 334.6 0.261
2019 331.7 0.255
2020 328.6 0.248
2021 325.3 0.240
2022 321.8 0.231
2023 318.0 0.221
2024 313.8 0.212
2025 309.2 0.202
2026 304.2 0.192
2027 298.6 0.182
2028 292.4 0.173
2029 285.6 0.166
2030 278.2 0.159


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



 
 


wds17207-0706b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic