16322-2440 BNY 3 AB

 
 
16h 32m 11.80s -24° 40' 21.6" P.A. 82.00 sep 0.1 mag 13.60,13.60
 
 
Coord 2000 16322-2440 Discov num BNY   3 Comp AB Coord arcsec 2000 16 32 11.80 -24 40 21.6
Date first 2002 Date last 2015 Obs 7
Pa first 107 Pa last 82 P.A. Now (θ) 82°
Sep first 0.0 Sep last 0.057 Sep. Now (ρ) 0.057"
Mag pri 13.60 Mag sec 13.60 delta mag (ΔM) 0 Spectral class
Pri motion ra -012 Sec motion ra
Pri motion dec -014 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
16322-2440 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 16 32 12 -24 40 22 BNY 3 AB 2015 7 82 0.1 13.60 13.60 0.00 Y <===
Show 16 32 12 -24 40 22 BNY 3 AC 2015 9 85 0.8 13.60 14.60 1.00
Show 16 32 12 -24 40 22 BNY 3 BC 2015 4 85 0.8 13.60 14.60 1.00
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Ophiuchus Gaia DR2 6047570826172040960
 
 
ORBITAL ELEMENTS
 
 
Period (P)8.051y± 0.039 Periastron (T)2012.035y± 0.035 Semi-major axis (a)32.76m± 0.48
Eccentricity (e)0.7961± 0.0062 Inclination (i)20.7°± 4.6 Longitude of periastron (ω)216.9°± 9
Node (Ω)51.4°± 8.5 Notes ReferenceSfr2018
Equinox2000 Last observation2015 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 86.8 0.057
2001 95.4 0.054
2002 106.1 0.046
2003 124.8 0.031
2004 276.8 0.006
2005 51.7 0.033
2006 68.0 0.048
2007 78.0 0.056
2008 86.4 0.058
2009 94.9 0.055
2010 105.5 0.046
2011 123.3 0.032
2012 245.1 0.007
2013 50.4 0.032
2014 67.4 0.048
2015 77.6 0.055
2016 86.0 0.058
2017 94.5 0.055
2018 104.8 0.047
2019 122.0 0.033
2020 219.4 0.008
2021 49.0 0.031
2022 66.8 0.047
2023 77.1 0.055
2024 85.6 0.058
2025 94.0 0.055
2026 104.2 0.048
2027 120.7 0.034
2028 200.3 0.009
2029 47.5 0.030
2030 66.2 0.046


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



 
 


wds16322-2440a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic