12160+4807 HU 736 (HD 106689)

 
 
12h 16m 00.42s +48° 06' 58.4" P.A. 182.00 sep 0.4 mag 9.57,9.99 Sp F8 dist. 123.15 pc (401.72 l.y.)
 
 
Coord 2000 12160+4807 Discov num HU  736 Comp Coord arcsec 2000 12 16 00.42 +48 06 58.4
Date first 1904 Date last 2016 Obs 45
Pa first 81 Pa last 181.7 P.A. Now (θ) 181.7°
Sep first 0.3 Sep last 0.367 Sep. Now (ρ) 0.367"
Mag pri 9.57 Mag sec 9.99 delta mag (ΔM) 0.42 Spectral class F8 (yellow-white)
Pri motion ra +016 Sec motion ra
Pri motion dec +000 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 106689 Constellation Canes Venatici SAO 44096 HIP 59820
Tycho2 3455-00557-1 Gaia DR2 1545661049389513472 HD 106689 ADS 8485
BD BD+48 2010 Distance 123.15 Distance ly 401.72
 
 
ORBITAL ELEMENTS
 
 
Period (P)245.47y Periastron (T)1949.77y Semi-major axis (a)0.305a
Eccentricity (e)0.427 Inclination (i)153.4° Longitude of periastron (ω)314.7°
Node (Ω)275.9° Notesn ReferenceUSN2006a
Equinox2000 Last observation1997 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 200.5 0.291
2001 199.2 0.293
2002 197.9 0.296
2003 196.6 0.298
2004 195.4 0.300
2005 194.2 0.303
2006 193.0 0.305
2007 191.8 0.308
2008 190.7 0.310
2009 189.5 0.312
2010 188.4 0.315
2011 187.3 0.317
2012 186.2 0.319
2013 185.1 0.322
2014 184.1 0.324
2015 183.0 0.326
2016 182.0 0.329
2017 181.0 0.331
2018 180.0 0.333
2019 179.0 0.335
2020 178.0 0.337
2021 177.1 0.340
2022 176.1 0.342
2023 175.2 0.344
2024 174.3 0.346
2025 173.3 0.348
2026 172.4 0.350
2027 171.5 0.352
2028 170.7 0.354
2029 169.8 0.356
2030 168.9 0.358


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



 
 


wds12160%2B4807a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic