14142-0831 BU 939 AB (HD 124497)

 
 
14h 14m 09.09s -08° 31' 06.5" P.A. 33.00 sep 0.5 mag 9.38,8.98 Sp F2 dist. 132.63 pc (432.64 l.y.)
 
 
Coord 2000 14142-0831 Discov num BU  939 Comp AB Coord arcsec 2000 14 14 09.09 -08 31 06.5
Date first 1879 Date last 2016 Obs 47
Pa first 156 Pa last 32.7 P.A. Now (θ) 32.7°
Sep first 0.7 Sep last 0.499 Sep. Now (ρ) 0.499"
Mag pri 9.38 Mag sec 8.98 delta mag (ΔM) 0.4 Spectral class F2 (yellow-white)
Pri motion ra -007 Sec motion ra -007
Pri motion dec -017 Sec motion dec -017
Notes O (Orbital solution)
This double is physical.
 
 
14142-0831 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 124497 139803 14 14 09 -08 31 06 BU 939 AB 2016 47 33 0.5 9.38 8.98 0.40 Y <===
Show 139803 14 14 09 -08 31 06 BU 939 AB,C 2016 18 283 88.9 9.38 10.16 0.78
Triple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 124497 Constellation Virgo SAO 139803 HIP 69541
Tycho2 5555-00425-1 HD 124497 ADS 9170 BD BD-07 3799
Distance 132.63 Distance ly 432.64
 
 
ORBITAL ELEMENTS
 
 
Period (P)602.296y Periastron (T)2398.22y Semi-major axis (a)0.8016a
Eccentricity (e)0.1379 Inclination (i)116.1° Longitude of periastron (ω)332.39°
Node (Ω)172.76° Notes ReferencePop1996b
Equinox2000 Last observation1990 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 48.7 0.443
2001 47.9 0.447
2002 47.0 0.450
2003 46.2 0.454
2004 45.4 0.458
2005 44.6 0.462
2006 43.8 0.466
2007 43.1 0.470
2008 42.3 0.474
2009 41.6 0.478
2010 40.9 0.483
2011 40.2 0.487
2012 39.5 0.491
2013 38.8 0.495
2014 38.1 0.500
2015 37.4 0.504
2016 36.8 0.508
2017 36.1 0.513
2018 35.5 0.517
2019 34.9 0.522
2020 34.3 0.526
2021 33.7 0.531
2022 33.1 0.535
2023 32.5 0.540
2024 31.9 0.544
2025 31.4 0.549
2026 30.8 0.553
2027 30.3 0.558
2028 29.7 0.562
2029 29.2 0.567
2030 28.7 0.571


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



 
 


wds14142-0831a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic