11136+5525 A 1353 (HD 97455)

11h 13m 34.66s +55° 24' 57.0" P.A. 211.00 sep 0.6 mag 7.73,9.16 Sp F5V dist. 91.83 pc (299.55 l.y.)

Coord 2000 11136+5525 Discov num A  1353 Comp Coord arcsec 2000 11 13 34.66 +55 24 57.0
Date first 1906 Date last 2017 Obs 70
Pa first 200 Pa last 210.9 P.A. Now (θ) 205.1°
Sep first 0.5 Sep last 0.6 Sep. Now (ρ) 0.541"
Mag pri 7.73 Mag sec 9.16 delta mag (ΔM) 1.43 Spectral class F5V (yellow-white)
Pri motion ra -037 Sec motion ra -037
Pri motion dec +007 Sec motion dec +007
Notes N O (See Notes, Orbital solution)




This double is physical.



OTHER CATALOGS AND DESIGNATIONS

Name HD 97455 Constellation Ursa Major SAO 27957 HIP 54835
Tycho2 3827-00526-1 Gaia DR2 843790408843852928 HD 97455 ADS 8092
BD BD+56 1508 Distance 91.83 Distance ly 299.55




ORBITAL ELEMENTS

Period (P)127.25y Periastron (T)1962y Semi-major axis (a)0.39a
Eccentricity (e)0.644 Inclination (i)117.6° Longitude of periastron (ω)39.2°
Node (Ω)44.4° Notesn ReferenceDoc2015f
Equinox2000 Last observation2013 Grade3(1=Definitive, 9=Indet.)

label theta rho
2000 216.4 0.546
2001 215.9 0.549
2002 215.4 0.552
2003 214.9 0.555
2004 214.4 0.557
2005 213.9 0.559
2006 213.4 0.561
2007 212.9 0.562
2008 212.5 0.563
2009 212.0 0.564
2010 211.5 0.564
2011 211.0 0.564
2012 210.5 0.564
2013 210.1 0.563
2014 209.6 0.562
2015 209.1 0.561
2016 208.6 0.559
2017 208.1 0.558
2018 207.6 0.556
2019 207.1 0.553
2020 206.6 0.551
2021 206.1 0.548
2022 205.6 0.545
2023 205.1 0.541
2024 204.6 0.538
2025 204.0 0.534
2026 203.5 0.530
2027 202.9 0.525
2028 202.4 0.521
2029 201.8 0.516
2030 201.2 0.511


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



 
 


wds11136%2B5525b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic