16511+0924 STF 2106 AB (HD 152113)

 
 
16h 51m 07.42s +09° 24' 15.5" P.A. 171.00 sep 0.8 mag 7.07,8.20 Sp F7IV dist. 64.23 pc (209.52 l.y.)
 
 
Coord 2000 16511+0924 Discov num STF2106 Comp AB Coord arcsec 2000 16 51 07.42 +09 24 15.5
Date first 1825 Date last 2019 Obs 205
Pa first 339 Pa last 171.4 P.A. Now (θ) 171.4°
Sep first 1.1 Sep last 0.805 Sep. Now (ρ) 0.805"
Mag pri 7.07 Mag sec 8.20 delta mag (ΔM) 1.13 Spectral class F7IV (yellow-white)
Pri motion ra +016 Sec motion ra +016
Pri motion dec -122 Sec motion dec -122
Notes O (Orbital solution)
This double is physical.
 
 
16511+0924 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 152113 121908 16 51 07 +09 24 16 STF 2106 AB 2019 205 171 0.8 7.07 8.20 1.13 Y <===
Show 121908 16 51 07 +09 24 16 LBU 16 AC 2015 7 159 69.5 7.07 12.40 5.33
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 152113 Constellation Ophiuchus SAO 121908 HIP 82460
Tycho2 0979-00326-1 Gaia DR2 4445793563749783424 HD 152113 GC 22683
ADS 10229 BD BD+09 3287 Distance 64.23 Distance ly 209.52
 
 
ORBITAL ELEMENTS
 
 
Period (P)1270.02y Periastron (T)1915.4y Semi-major axis (a)1.398a
Eccentricity (e)0.349 Inclination (i)103.8° Longitude of periastron (ω)261.6°
Node (Ω)159.5° Notes ReferenceSca2001g
Equinox Last observation1999 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 174.7 0.684
2001 174.5 0.692
2002 174.2 0.699
2003 173.9 0.707
2004 173.7 0.714
2005 173.5 0.722
2006 173.2 0.729
2007 173.0 0.736
2008 172.8 0.743
2009 172.5 0.751
2010 172.3 0.758
2011 172.1 0.765
2012 171.9 0.772
2013 171.7 0.779
2014 171.5 0.786
2015 171.3 0.793
2016 171.1 0.800
2017 170.9 0.807
2018 170.7 0.814
2019 170.5 0.821
2020 170.4 0.828
2021 170.2 0.835
2022 170.0 0.841
2023 169.8 0.848
2024 169.7 0.855
2025 169.5 0.861
2026 169.3 0.868
2027 169.2 0.875
2028 169.0 0.881
2029 168.8 0.887
2030 168.7 0.894


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



 
 


wds16511%2B0924a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic