13450+0206 HDS 1935

 
 
13h 45m 02.40s +02° 05' 31.6" P.A. 51.00 sep 0.7 mag 11.27,12.48 Sp K5 dist. 55.52 pc (181.11 l.y.)
 
 
Coord 2000 13450+0206 Discov num HDS1935 Comp Coord arcsec 2000 13 45 02.40 +02 05 31.6
Date first 1991 Date last 2019 Obs 10
Pa first 123 Pa last 51.3 P.A. Now (θ) 51.3°
Sep first 0.5 Sep last 0.667 Sep. Now (ρ) 0.667"
Mag pri 11.27 Mag sec 12.48 delta mag (ΔM) 1.21 Spectral class K5 (yellow-orange)
Pri motion ra -022 Sec motion ra
Pri motion dec -005 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Virgo HIP 67086 Tycho2 0308-00699-3 Gaia DR2 3665098011191204608
Distance 55.52 Distance ly 181.11
 
 
ORBITAL ELEMENTS
 
 
Period (P)200y Periastron (T)1976.7y Semi-major axis (a)0.9a
Eccentricity (e)0.54 Inclination (i)128.8° Longitude of periastron (ω)325.1°
Node (Ω)157.8° Notesn ReferenceTok2021c
Equinox2000 Last observation2019 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 97.4 0.505
2001 94.4 0.509
2002 91.4 0.513
2003 88.6 0.518
2004 85.7 0.524
2005 83.0 0.530
2006 80.3 0.537
2007 77.6 0.544
2008 75.1 0.552
2009 72.6 0.560
2010 70.2 0.569
2011 67.8 0.578
2012 65.6 0.588
2013 63.4 0.597
2014 61.3 0.608
2015 59.2 0.618
2016 57.2 0.629
2017 55.3 0.640
2018 53.5 0.651
2019 51.7 0.663
2020 50.0 0.675
2021 48.3 0.687
2022 46.7 0.699
2023 45.2 0.711
2024 43.7 0.723
2025 42.2 0.735
2026 40.8 0.748
2027 39.5 0.760
2028 38.2 0.773
2029 36.9 0.785
2030 35.7 0.798


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


 
  


wds13450%2B0206a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic