14087+3341 HU 742
14h 08m 42.74s +33° 40' 56.9" P.A. 340.00 sep 0.3 mag 8.80,12.30 Sp K0III dist. 75.41 pc (245.99 l.y.)
| Coord 2000 |
14087+3341 |
|
Discov num |
HU 742 |
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Comp |
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Coord arcsec 2000 |
14 08 42.74 +33 40 56.9 |
|
| Date first |
1904 |
|
Date last |
2014 |
|
Obs |
42 |
|
| Pa first |
176 |
|
Pa last |
339.6 |
|
P.A. Now (θ) |
339.6° |
|
| Sep first |
0.4 |
|
Sep last |
0.327 |
|
Sep. Now (ρ) |
0.327" |
|
| Mag pri |
8.80 |
|
Mag sec |
12.30 |
|
delta mag (ΔM) |
3.5 |
|
Spectral class |
K0III (yellow-orange) |
|
| Pri motion ra |
-125 |
|
Sec motion ra |
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|
| Pri motion dec |
+084 |
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Sec motion dec |
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| Notes |
N
O
(See Notes, Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Bootes |
|
HIP |
69102 |
|
Tycho2 |
2548-00906-1 |
|
Gaia DR2 |
1478840188719678848 |
|
| ADS |
9126 |
|
BD |
BD+34 2494 |
|
Distance |
75.41 |
|
Distance ly |
245.99 |
|
ORBITAL ELEMENTS
| Period (P) | 726y | |
Periastron (T) | 1984y | |
Semi-major axis (a) | 1.457a | |
| Eccentricity (e) | 0.643 | |
Inclination (i) | 107.7° | |
Longitude of periastron (ω) | 38.1° | |
| Node (Ω) | 118.9° | |
Notes | n | |
Reference | FMR2012h | |
| Equinox | 2000 | |
Last observation | 2011 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
53.4 |
0.193 |
| 2001 |
46.6 |
0.188 |
| 2002 |
39.6 |
0.185 |
| 2003 |
32.4 |
0.185 |
| 2004 |
25.3 |
0.188 |
| 2005 |
18.5 |
0.193 |
| 2006 |
12.2 |
0.200 |
| 2007 |
6.3 |
0.210 |
| 2008 |
1.1 |
0.221 |
| 2009 |
356.3 |
0.234 |
| 2010 |
352.1 |
0.248 |
| 2011 |
348.3 |
0.263 |
| 2012 |
345.0 |
0.279 |
| 2013 |
342.0 |
0.296 |
| 2014 |
339.4 |
0.313 |
| 2015 |
337.0 |
0.331 |
| 2016 |
334.9 |
0.348 |
| 2017 |
333.0 |
0.366 |
| 2018 |
331.2 |
0.385 |
| 2019 |
329.7 |
0.403 |
| 2020 |
328.2 |
0.421 |
| 2021 |
326.9 |
0.440 |
| 2022 |
325.7 |
0.458 |
| 2023 |
324.5 |
0.476 |
| 2024 |
323.5 |
0.495 |
| 2025 |
322.5 |
0.513 |
| 2026 |
321.6 |
0.531 |
| 2027 |
320.8 |
0.549 |
| 2028 |
320.0 |
0.567 |
| 2029 |
319.3 |
0.585 |
| 2030 |
318.6 |
0.603 |
|
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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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