11323+6105 STT 235 AB

 
 
11h 32m 20.76s +61° 04' 57.9" P.A. 43.00 sep 0.9 mag 5.69,7.55 Sp F8V dist. 27.99 pc (91.3 l.y.)
 
 
Coord 2000 11323+6105 Discov num STT 235 Comp AB Coord arcsec 2000 11 32 20.76 +61 04 57.9
Date first 1843 Date last 2017 Obs 340
Pa first 283 Pa last 42.8 P.A. Now (θ) 54.4°
Sep first 0.5 Sep last 0.93 Sep. Now (ρ) 0.987"
Mag pri 5.69 Mag sec 7.55 delta mag (ΔM) 1.86 Spectral class F8V (yellow-white)
Pri motion ra -018 Sec motion ra
Pri motion dec -073 Sec motion dec
Notes N O V (See Notes, Orbital solution, Proper motion indicates physical)
This double is physical.
 
 
11323+6105 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 15542 11 32 21 +61 04 58 STT 235 AB 2017 340 43 0.9 5.69 7.55 1.86 Y <===
Show HD 100203 15542 11 32 21 +61 04 58 ABT 8 AB,C 2013 6 97 194.6 5.55 11.30 5.75
Triple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Ursa Major SAO 15542 HIP 56290 Tycho2 4153-00048-1
Gaia DR2 859479413275804928 HD 100203 HR 4439 GC 15822
ADS 8197 GL Gl 431.1A BD BD+61 1246 Distance 27.99
Distance ly 91.3
 
 
ORBITAL ELEMENTS
 
 
Period (P)72.9339y± 0.2445 Periastron (T)1981.9104y± 0.2447 Semi-major axis (a)0.79322a± 0.00415
Eccentricity (e)0.39823± 0.00368 Inclination (i)46.829°± 0.384 Longitude of periastron (ω)132.571°± 0.365
Node (Ω)81.407°± 0.693 Notesn ReferenceIzm2019
Equinox Last observation2013 Grade1(1=Definitive, 9=Indet.)
label theta rho
2000 342.3 0.623
2001 347.2 0.635
2002 352.0 0.648
2003 356.5 0.662
2004 0.9 0.678
2005 5.0 0.695
2006 8.9 0.713
2007 12.7 0.731
2008 16.2 0.750
2009 19.6 0.770
2010 22.8 0.789
2011 25.9 0.808
2012 28.8 0.828
2013 31.6 0.846
2014 34.2 0.865
2015 36.8 0.882
2016 39.2 0.899
2017 41.6 0.915
2018 43.9 0.930
2019 46.1 0.944
2020 48.3 0.957
2021 50.4 0.968
2022 52.4 0.978
2023 54.4 0.987
2024 56.4 0.994
2025 58.4 0.999
2026 60.3 1.003
2027 62.3 1.005
2028 64.2 1.005
2029 66.1 1.002
2030 68.1 0.998


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



 
 


wds11323%2B6105b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic