14139+2906 STF 1816 (HD 124587)

 
 
14h 13m 54.63s +29° 06' 19.5" P.A. 103.00 sep 0.3 mag 7.43,7.75 Sp F0+A2 dist. 113.38 pc (369.85 l.y.)
 
 
Coord 2000 14139+2906 Discov num STF1816 Comp Coord arcsec 2000 14 13 54.63 +29 06 19.5
Date first 1828 Date last 2022 Obs 227
Pa first 72 Pa last 102.5 P.A. Now (θ) 102.5°
Sep first 1.6 Sep last 0.321 Sep. Now (ρ) 0.321"
Mag pri 7.43 Mag sec 7.75 delta mag (ΔM) 0.32 Spectral class F0+A2 (yellow-white/white)
Pri motion ra +028 Sec motion ra +028
Pri motion dec -007 Sec motion dec -007
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 124587 Constellation Bootes SAO 83235 HIP 69523
Tycho2 2013-00959-1 HD 124587 GC 19206 ADS 9174
BD BD+29 2508 Distance 113.38 Distance ly 369.85
 
 
ORBITAL ELEMENTS
 
 
Period (P)1340y Periastron (T)2079y Semi-major axis (a)1.642a
Eccentricity (e)0.54 Inclination (i)81.7° Longitude of periastron (ω)125.3°
Node (Ω)80.2° Notes ReferenceZir2014a
Equinox2000 Last observation2011 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 92.0 0.571
2001 92.3 0.560
2002 92.5 0.548
2003 92.8 0.537
2004 93.2 0.526
2005 93.5 0.514
2006 93.8 0.503
2007 94.2 0.491
2008 94.5 0.480
2009 94.9 0.468
2010 95.4 0.456
2011 95.8 0.445
2012 96.2 0.433
2013 96.7 0.421
2014 97.2 0.410
2015 97.8 0.398
2016 98.3 0.386
2017 99.0 0.374
2018 99.6 0.363
2019 100.3 0.351
2020 101.0 0.339
2021 101.8 0.327
2022 102.7 0.316
2023 103.6 0.304
2024 104.6 0.292
2025 105.7 0.281
2026 106.8 0.269
2027 108.1 0.258
2028 109.5 0.246
2029 111.0 0.235
2030 112.7 0.224


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



 
 


wds14139%2B2906a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic