13539+1008 BU 614 AB

 
 
13h 53m 56.79s +10° 08' 19.9" P.A. 102.00 sep 0.4 mag 8.02,9.95 Sp F0 dist. 141.84 pc (462.68 l.y.)
 
 
Coord 2000 13539+1008 Discov num BU  614 Comp AB Coord arcsec 2000 13 53 56.79 +10 08 19.9
Date first 1878 Date last 2013 Obs 49
Pa first 270 Pa last 102 P.A. Now (θ) 102°
Sep first 0.6 Sep last 0.432 Sep. Now (ρ) 0.432"
Mag pri 8.02 Mag sec 9.95 delta mag (ΔM) 1.93 Spectral class F0 (yellow-white)
Pri motion ra -023 Sec motion ra
Pri motion dec +004 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
13539+1008 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 100758 13 53 57 +10 08 20 BU 614 AB 2013 49 102 0.4 8.02 9.95 1.93 Y <===
Show HD 121215 100758 13 53 57 +10 08 20 FOX 179 AB,C 2015 13 43 98.1 7.85 10.48 2.63
Triple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Bootes SAO 100758 HIP 67860 Tycho2 0903-01025-1
Gaia DR2 3726772161013823616 HD 121215 ADS 9047 BD BD+10 2603
Distance 141.84 Distance ly 462.68
 
 
ORBITAL ELEMENTS
 
 
Period (P)830.72y Periastron (T)1969.06y Semi-major axis (a)0.899a
Eccentricity (e)0.543 Inclination (i)125.9° Longitude of periastron (ω)333.1°
Node (Ω)128.3° Notesn ReferenceHrt2014b
Equinox2000 Last observation2008 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 114.7 0.445
2001 113.9 0.446
2002 113.0 0.446
2003 112.1 0.446
2004 111.3 0.447
2005 110.4 0.447
2006 109.5 0.447
2007 108.7 0.447
2008 107.8 0.447
2009 106.9 0.447
2010 106.1 0.447
2011 105.2 0.447
2012 104.4 0.447
2013 103.5 0.447
2014 102.6 0.446
2015 101.8 0.446
2016 100.9 0.446
2017 100.0 0.445
2018 99.2 0.445
2019 98.3 0.445
2020 97.4 0.444
2021 96.5 0.444
2022 95.7 0.444
2023 94.8 0.443
2024 93.9 0.443
2025 93.0 0.442
2026 92.1 0.442
2027 91.3 0.442
2028 90.4 0.441
2029 89.5 0.441
2030 88.6 0.441


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



 
 


wds13539%2B1008b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic