14426+1929 HU 575 AB

14h 42m 33.63s +19° 28' 46.9" P.A. 284.00 sep 0.4 mag 9.77,10.05 Sp M0 dist. 21.58 pc (70.39 l.y.)

Coord 2000 14426+1929 Discov num HU  575 Comp AB Coord arcsec 2000 14 42 33.63 +19 28 46.9
Date first 1902 Date last 2017 Obs 160
Pa first 171 Pa last 284.2 P.A. Now (θ) 39.7°
Sep first 0.7 Sep last 0.355 Sep. Now (ρ) 0.413"
Mag pri 9.77 Mag sec 10.05 delta mag (ΔM) 0.28 Spectral class M0 (red)
Pri motion ra -247 Sec motion ra
Pri motion dec -174 Sec motion dec
Notes N O (See Notes, Orbital solution)




This double is physical.



14426+1929 SYSTEM COMPONENTS

Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 14 42 34 +19 28 47 HU 575 AB 2017 160 284 0.4 9.77 10.05 0.28 Y <===
Show 14 42 34 +19 28 47 LDS 968 AB,C 2016 14 309 135.2 9.25 10.28 1.03


Triple system
4 estimated visually detectable stars in this system



OTHER CATALOGS AND DESIGNATIONS

Constellation Bootes HIP 71914 Tycho2 1480-00302-1 ADS 9352
GL Wo 9490B BD BD+20 3010 Distance 21.58 Distance ly 70.39




ORBITAL ELEMENTS

Period (P)51.7y Periastron (T)1982y Semi-major axis (a)0.64a
Eccentricity (e)0.09 Inclination (i)120° Longitude of periastron (ω)204°
Node (Ω)178° Notesn ReferenceSod1999
Equinox2000 Last observation Grade2(1=Definitive, 9=Indet.)

label theta rho
2000 189.9 0.637
2001 186.5 0.660
2002 183.3 0.677
2003 180.3 0.688
2004 177.3 0.692
2005 174.3 0.690
2006 171.3 0.683
2007 168.2 0.669
2008 164.9 0.650
2009 161.5 0.625
2010 157.6 0.596
2011 153.4 0.563
2012 148.6 0.527
2013 143.1 0.489
2014 136.7 0.451
2015 129.1 0.413
2016 120.0 0.380
2017 109.4 0.353
2018 97.3 0.335
2019 84.3 0.329
2020 71.4 0.336
2021 59.3 0.354
2022 48.8 0.380
2023 39.7 0.413
2024 32.0 0.447
2025 25.4 0.482
2026 19.7 0.513
2027 14.6 0.541
2028 9.9 0.563
2029 5.6 0.578
2030 1.4 0.586


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



 
 


wds14426%2B1929a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic