14407+3117 STF 1867 (HD 129260)
14h 40m 44.21s +31° 17' 23.5" P.A. 355.00 sep 0.7 mag 8.36,8.83 Sp F5 dist. 116.96 pc (381.52 l.y.)
| Coord 2000 |
14407+3117 |
|
Discov num |
STF1867 |
|
Comp |
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|
Coord arcsec 2000 |
14 40 44.21 +31 17 23.5 |
|
| Date first |
1831 |
|
Date last |
2017 |
|
Obs |
144 |
|
| Pa first |
17 |
|
Pa last |
354.9 |
|
P.A. Now (θ) |
354.9° |
|
| Sep first |
1.0 |
|
Sep last |
0.674 |
|
Sep. Now (ρ) |
0.674" |
|
| Mag pri |
8.36 |
|
Mag sec |
8.83 |
|
delta mag (ΔM) |
0.47 |
|
Spectral class |
F5 (yellow-white) |
|
| Pri motion ra |
-050 |
|
Sec motion ra |
-050 |
|
| Pri motion dec |
-063 |
|
Sec motion dec |
-063 |
|
| Notes |
O
(Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 129260 |
|
Constellation |
Bootes |
|
SAO |
64268 |
|
HIP |
71764 |
|
| Tycho2 |
2554-00573-1 |
|
Gaia DR2 |
1285972582050314496 |
|
HD |
129260 |
|
GC |
19775 |
|
| ADS |
9340 |
|
BD |
BD+31 2644 |
|
Distance |
116.96 |
|
Distance ly |
381.52 |
|
ORBITAL ELEMENTS
| Period (P) | 1069y | |
Periastron (T) | 2086.9y | |
Semi-major axis (a) | 1.209a | |
| Eccentricity (e) | 0.914 | |
Inclination (i) | 136° | |
Longitude of periastron (ω) | 240.1° | |
| Node (Ω) | 85.2° | |
Notes | | |
Reference | Zir2013a | |
| Equinox | 2000 | |
Last observation | 2010 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
358.0 |
0.746 |
| 2001 |
357.7 |
0.740 |
| 2002 |
357.5 |
0.735 |
| 2003 |
357.2 |
0.729 |
| 2004 |
356.9 |
0.723 |
| 2005 |
356.7 |
0.718 |
| 2006 |
356.4 |
0.712 |
| 2007 |
356.1 |
0.707 |
| 2008 |
355.8 |
0.701 |
| 2009 |
355.5 |
0.695 |
| 2010 |
355.2 |
0.690 |
| 2011 |
354.9 |
0.684 |
| 2012 |
354.6 |
0.678 |
| 2013 |
354.3 |
0.672 |
| 2014 |
354.0 |
0.666 |
| 2015 |
353.6 |
0.661 |
| 2016 |
353.3 |
0.655 |
| 2017 |
353.0 |
0.649 |
| 2018 |
352.6 |
0.643 |
| 2019 |
352.3 |
0.637 |
| 2020 |
351.9 |
0.631 |
| 2021 |
351.5 |
0.625 |
| 2022 |
351.2 |
0.619 |
| 2023 |
350.8 |
0.612 |
| 2024 |
350.4 |
0.606 |
| 2025 |
350.0 |
0.600 |
| 2026 |
349.6 |
0.594 |
| 2027 |
349.2 |
0.588 |
| 2028 |
348.8 |
0.581 |
| 2029 |
348.3 |
0.575 |
| 2030 |
347.9 |
0.569 |
|
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Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
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Measures: green=micrometric, blue=interferometric, purple=photographic |
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