14485-1720 BU 346 (HD 130412)

 
 
14h 48m 31.71s -17° 20' 24.4" P.A. 278.00 sep 2.8 mag 7.48,7.92 Sp G1V dist. 44.5 pc (145.16 l.y.)
 
 
Coord 2000 14485-1720 Discov num BU  346 Comp Coord arcsec 2000 14 48 31.71 -17 20 24.4
Date first 1875 Date last 2021 Obs 80
Pa first 250 Pa last 278.2 P.A. Now (θ) 278.2°
Sep first 1.0 Sep last 2.773 Sep. Now (ρ) 2.773"
Mag pri 7.48 Mag sec 7.92 delta mag (ΔM) 0.44 Spectral class G1V (yellow)
Pri motion ra +026 Sec motion ra +039
Pri motion dec -061 Sec motion dec -048
Notes N C (See Notes, Has orbit and linear solution)
rPM=0.277 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 130412 Constellation Libra SAO 158813 HIP 72423
Tycho2 6159-00749-1 Gaia DR2 6282494305924196864 HD 130412 GC 19921
ADS 9387 BD BD-16 3939 Distance 44.5 Distance ly 145.16
 
 
ORBITAL ELEMENTS
 
 
Period (P)1715.7084y± 857.6437 Periastron (T)2129.6651y± 164.4848 Semi-major axis (a)9.40469a± 5.12838
Eccentricity (e)0.82703± 0.1309 Inclination (i)85.071°± 5.309 Longitude of periastron (ω)244.985°± 41.491
Node (Ω)108.072°± 5.868 Notesn ReferenceIzm2019
Equinox Last observation2015 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 275.2 2.546
2001 275.3 2.556
2002 275.5 2.566
2003 275.6 2.576
2004 275.8 2.586
2005 275.9 2.596
2006 276.0 2.606
2007 276.1 2.616
2008 276.3 2.626
2009 276.4 2.636
2010 276.5 2.645
2011 276.7 2.655
2012 276.8 2.664
2013 276.9 2.673
2014 277.0 2.683
2015 277.2 2.692
2016 277.3 2.701
2017 277.4 2.710
2018 277.5 2.719
2019 277.7 2.727
2020 277.8 2.736
2021 277.9 2.745
2022 278.0 2.753
2023 278.1 2.761
2024 278.2 2.769
2025 278.4 2.778
2026 278.5 2.785
2027 278.6 2.793
2028 278.7 2.801
2029 278.8 2.808
2030 278.9 2.816


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



 
 


wds14485-1720a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic