13291+1128 BU 113 AB

 
 
13h 29m 06.11s +11° 28' 10.1" P.A. 271.00 sep 1.7 mag 8.73,10.66 Sp K0 dist. 58 pc (189.2 l.y.)
 
 
Coord 2000 13291+1128 Discov num BU  113 Comp AB Coord arcsec 2000 13 29 06.11 +11 28 10.1
Date first 1873 Date last 2018 Obs 56
Pa first 210 Pa last 270.5 P.A. Now (θ) 270.5°
Sep first 1.6 Sep last 1.722 Sep. Now (ρ) 1.722"
Mag pri 8.73 Mag sec 10.66 delta mag (ΔM) 1.93 Spectral class K0 (yellow-orange)
Pri motion ra -193 Sec motion ra -193
Pri motion dec -219 Sec motion dec -219
Notes O (Orbital solution)
This double is physical.
 
 
13291+1128 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 13 29 06 +11 28 10 BU 113 AB 2018 56 271 1.7 8.73 10.66 1.93 Y <===
Show 13 29 06 +11 28 10 DEA 50 AC 2015 3 174 15.9 6.57 12.01 5.44
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Virgo HIP 65780 Tycho2 0895-00208-1 Gaia DR2 3738496837616389632
ADS 8917 BD BD+12 2597 Distance 58 Distance ly 189.2
 
 
ORBITAL ELEMENTS
 
 
Period (P)1056.4y Periastron (T)2043.9y Semi-major axis (a)2.639a
Eccentricity (e)0.352 Inclination (i)51.5° Longitude of periastron (ω)9.1°
Node (Ω)276.8° Notes ReferenceHrt2013a
Equinox2000 Last observation2009 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 261.8 1.695
2001 262.3 1.697
2002 262.7 1.699
2003 263.2 1.701
2004 263.7 1.702
2005 264.2 1.704
2006 264.6 1.706
2007 265.1 1.707
2008 265.6 1.709
2009 266.1 1.710
2010 266.5 1.712
2011 267.0 1.713
2012 267.5 1.714
2013 268.0 1.715
2014 268.4 1.716
2015 268.9 1.717
2016 269.4 1.717
2017 269.8 1.718
2018 270.3 1.719
2019 270.8 1.719
2020 271.2 1.719
2021 271.7 1.720
2022 272.2 1.720
2023 272.6 1.720
2024 273.1 1.720
2025 273.6 1.720
2026 274.0 1.719
2027 274.5 1.719
2028 275.0 1.719
2029 275.4 1.718
2030 275.9 1.717


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



 
 


wds13291%2B1128a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic