13400+3759 HU 897 AB

 
 
13h 39m 59.07s +37° 58' 43.2" P.A. 58.00 sep 0.4 mag 10.49,10.37 Sp F8 dist. 201.21 pc (656.35 l.y.)
 
 
Coord 2000 13400+3759 Discov num HU  897 Comp AB Coord arcsec 2000 13 39 59.07 +37 58 43.2
Date first 1905 Date last 2016 Obs 37
Pa first 339 Pa last 57.9 P.A. Now (θ) 57.9°
Sep first 0.5 Sep last 0.353 Sep. Now (ρ) 0.353"
Mag pri 10.49 Mag sec 10.37 delta mag (ΔM) 0.12 Spectral class F8 (yellow-white)
Pri motion ra -016 Sec motion ra -016
Pri motion dec +026 Sec motion dec +026
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
13400+3759 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 13 39 59 +37 58 43 HU 897 AB 2016 37 58 0.4 10.49 10.37 0.12 Y <===
Show 13 39 59 +37 58 43 KZA 76 AB,C 2020 11 78 75.8 9.72 12.03 2.31
Triple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Canes Venatici HIP 66664 Tycho2 3026-01025-1 Gaia DR2 1472633647440860800
ADS 8988 BD BD+38 2467 Distance 201.21 Distance ly 656.35
 
 
ORBITAL ELEMENTS
 
 
Period (P)531y Periastron (T)2076.2y Semi-major axis (a)0.476a
Eccentricity (e)0.36 Inclination (i)33.9° Longitude of periastron (ω)41.4°
Node (Ω)88° Notesn ReferenceZir2015a
Equinox2000 Last observation2008 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 42.3 0.379
2001 43.1 0.378
2002 43.9 0.377
2003 44.8 0.376
2004 45.6 0.375
2005 46.5 0.374
2006 47.3 0.373
2007 48.2 0.372
2008 49.0 0.372
2009 49.9 0.371
2010 50.7 0.370
2011 51.6 0.369
2012 52.5 0.368
2013 53.4 0.367
2014 54.3 0.366
2015 55.2 0.365
2016 56.1 0.364
2017 57.0 0.363
2018 57.9 0.362
2019 58.8 0.361
2020 59.7 0.360
2021 60.6 0.359
2022 61.5 0.358
2023 62.5 0.357
2024 63.4 0.356
2025 64.3 0.355
2026 65.3 0.354
2027 66.3 0.353
2028 67.2 0.351
2029 68.2 0.350
2030 69.1 0.349


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



 
 


wds13400%2B3759a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic