13063+2044 HU 739

 
 
13h 06m 15.40s +20° 43' 45.1" P.A. 196.00 sep 1.7 mag 9.72,12.11 Sp K4V dist. 18.8 pc (61.33 l.y.)
 
 
Coord 2000 13063+2044 Discov num HU  739 Comp Coord arcsec 2000 13 06 15.40 +20 43 45.1
Date first 1902 Date last 2019 Obs 43
Pa first 34 Pa last 196.4 P.A. Now (θ) 196.4°
Sep first 0.9 Sep last 1.66 Sep. Now (ρ) 1.66"
Mag pri 9.72 Mag sec 12.11 delta mag (ΔM) 2.39 Spectral class K4V (yellow-orange)
Pri motion ra -044 Sec motion ra -066
Pri motion dec +086 Sec motion dec +067
Notes O (Orbital solution)
rPM=0.301
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Coma Berenices HIP 63942 Tycho2 1456-00692-1 Gaia DR2 3943232534138172672
ADS 8778 GL Gl 499A BD BD+21 2486 Distance 18.8
Distance ly 61.33
 
 
ORBITAL ELEMENTS
 
 
Period (P)307.7763y± 120.3725 Periastron (T)1934.6695y± 10.1375 Semi-major axis (a)2.21493a± 0.5524
Eccentricity (e)0.34805± 0.16615 Inclination (i)108.714°± 1.801 Longitude of periastron (ω)174.739°± 16.973
Node (Ω)175.908°± 2.861 Notes ReferenceIzm2019
Equinox Last observation2010 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 216.0 1.070
2001 214.6 1.103
2002 213.2 1.137
2003 211.9 1.171
2004 210.7 1.205
2005 209.5 1.239
2006 208.4 1.273
2007 207.4 1.307
2008 206.4 1.341
2009 205.5 1.375
2010 204.6 1.409
2011 203.7 1.443
2012 202.9 1.477
2013 202.1 1.511
2014 201.4 1.544
2015 200.7 1.577
2016 200.0 1.610
2017 199.3 1.643
2018 198.7 1.675
2019 198.1 1.708
2020 197.5 1.740
2021 197.0 1.771
2022 196.4 1.803
2023 195.9 1.834
2024 195.4 1.864
2025 194.9 1.895
2026 194.4 1.925
2027 194.0 1.955
2028 193.5 1.984
2029 193.1 2.013
2030 192.7 2.042


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



 
 


wds13063%2B2044c.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic