14369+4813 A 347 (HD 128718)
14h 36m 56.24s +48° 13' 17.9" P.A. 236.00 sep 0.5 mag 8.68,8.37 Sp F2 dist. 106.04 pc (345.9 l.y.)
Coord 2000 |
14369+4813 |
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Discov num |
A 347 |
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Comp |
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Coord arcsec 2000 |
14 36 56.24 +48 13 17.9 |
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Date first |
1902 |
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Date last |
2018 |
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Obs |
134 |
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Pa first |
73 |
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Pa last |
235.7 |
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P.A. Now (θ) |
229.5° |
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Sep first |
0.3 |
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Sep last |
0.543 |
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Sep. Now (ρ) |
0.545" |
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Mag pri |
8.68 |
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Mag sec |
8.37 |
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delta mag (ΔM) |
0.31 |
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Spectral class |
F2 (yellow-white) |
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Pri motion ra |
-017 |
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Sec motion ra |
-017 |
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Pri motion dec |
+046 |
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Sec motion dec |
+046 |
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Notes |
N
O
(See Notes, Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 128718 |
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Constellation |
Bootes |
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SAO |
45134 |
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HIP |
71467 |
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Tycho2 |
3476-00707-1 |
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Gaia DR2 |
1591264492447352704 |
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HD |
128718 |
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ADS |
9324 |
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BD |
BD+48 2222 |
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Distance |
106.04 |
|
Distance ly |
345.9 |
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ORBITAL ELEMENTS
Period (P) | 258y | |
Periastron (T) | 1930.3y | |
Semi-major axis (a) | 0.562a | |
Eccentricity (e) | 0.215 | |
Inclination (i) | 139.6° | |
Longitude of periastron (ω) | 92.3° | |
Node (Ω) | 99.8° | |
Notes | n | |
Reference | Doc2017k | |
Equinox | 2000 | |
Last observation | 2014 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
253.9 |
0.563 |
2001 |
252.8 |
0.563 |
2002 |
251.8 |
0.563 |
2003 |
250.8 |
0.563 |
2004 |
249.7 |
0.562 |
2005 |
248.7 |
0.562 |
2006 |
247.7 |
0.561 |
2007 |
246.6 |
0.561 |
2008 |
245.6 |
0.560 |
2009 |
244.5 |
0.559 |
2010 |
243.5 |
0.559 |
2011 |
242.4 |
0.558 |
2012 |
241.4 |
0.557 |
2013 |
240.3 |
0.556 |
2014 |
239.2 |
0.555 |
2015 |
238.2 |
0.554 |
2016 |
237.1 |
0.553 |
2017 |
236.0 |
0.552 |
2018 |
235.0 |
0.551 |
2019 |
233.9 |
0.550 |
2020 |
232.8 |
0.548 |
2021 |
231.7 |
0.547 |
2022 |
230.6 |
0.546 |
2023 |
229.5 |
0.545 |
2024 |
228.4 |
0.544 |
2025 |
227.3 |
0.542 |
2026 |
226.2 |
0.541 |
2027 |
225.0 |
0.540 |
2028 |
223.9 |
0.539 |
2029 |
222.8 |
0.538 |
2030 |
221.6 |
0.537 |
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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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