14575-2125 H N 28 AB (KX Lib)

 
 
14h 57m 28.00s -21° 24' 55.7" P.A. 307.00 sep 26.2 mag 5.88,8.18 Sp K5Ve+M2V dist. 5.84 pc (19.05 l.y.)
 
 
Coord 2000 14575-2125 Discov num H N  28 Comp AB Coord arcsec 2000 14 57 28.00 -21 24 55.7
Date first 1806 Date last 2020 Obs 161
Pa first 251 Pa last 306.8 P.A. Now (θ) 306.8°
Sep first 9.4 Sep last 26.194 Sep. Now (ρ) 26.194"
Mag pri 5.88 Mag sec 8.18 delta mag (ΔM) 2.3 Spectral class K5Ve+M2V (yellow-orange/red)
Pri motion ra +103 Sec motion ra +010
Pri motion dec -173 Sec motion dec -017
Notes N O P (See Notes, Orbital solution, 100-year proper motion)
rPM=0.902
This double is physical.
 
 
14575-2125 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show KX Lib 183040 14 57 28 -21 24 56 H N 28 AB 2020 161 307 26.2 5.88 8.18 2.30 Y <===
Show 183040 14 57 28 -21 24 56 H N 28 AC 2016 7 324 230.5 5.88 14.00 8.12
Show 183040 14 57 28 -21 24 56 H N 28 AD 2016 6 342 294.4 5.88 13.85 7.97
Show 183040 14 57 28 -21 24 56 H N 28 AE 2016 7 319 181.1 5.88 13.12 7.24
Show 183040 14 57 28 -21 24 56 H N 28 AF 2016 10 327 400.1 5.88 12.22 6.34
Show 183040 14 57 28 -21 24 56 BUG 4 AG 2010 2 316 258.1 5.88 18.00 12.12
Show 183039 14 57 27 -21 24 41 H N 28 Ba,Bb 2021 39 210 0.2 8.18 9.80 1.62 Y
Show 183039 14 57 27 -21 24 41 BUG 4 BG 2010 2 317 234.4 8.18 18.00 9.82
Octuple system
7 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name KX Lib Constellation Libra SAO 183040 HIP 73184
Tycho2 6180-00855-1 HD 131977 HR 5568 GC 20113
ADS 9446 GL Gl 570A BD BD-20 4125 FK5 1391
Distance 5.84 Distance ly 19.05
 
 
SUSPECTED ORBITAL ELEMENTS
 
 
Identifier14575-2125
coord_arcsec_2000145728.00-212455.7
Period (P)6488.5537y Periastron (T)2152.7634y Semi-major axis (a)86.7648a
Eccentricity (e)0.6598 Inclination (i)80.9435° Longitude of periastron (ω)185.0814°
Node (Ω)134.1985° Notesn ReferenceKpp2020f
Equinox Last observation Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 305.4 24.763
2001 305.5 24.830
2002 305.6 24.897
2003 305.6 24.963
2004 305.7 25.029
2005 305.8 25.095
2006 305.9 25.161
2007 306.0 25.226
2008 306.0 25.291
2009 306.1 25.355
2010 306.2 25.419
2011 306.3 25.483
2012 306.3 25.546
2013 306.4 25.609
2014 306.5 25.672
2015 306.6 25.734
2016 306.6 25.796
2017 306.7 25.857
2018 306.8 25.918
2019 306.9 25.979
2020 306.9 26.040
2021 307.0 26.099
2022 307.1 26.159
2023 307.2 26.218
2024 307.2 26.277
2025 307.3 26.335
2026 307.4 26.393
2027 307.4 26.451
2028 307.5 26.508
2029 307.6 26.564
2030 307.6 26.621


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



 
 


wds14575-2125d.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic