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 |
|
Discov num |
A 347 |
|
Comp |
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Coord arcsec 2000 |
14 36 56.24 +48 13 17.9 |
|
| Date first |
1902 |
|
Date last |
2018 |
|
Obs |
134 |
|
| Pa first |
73 |
|
Pa last |
235.7 |
|
P.A. Now (θ) |
229.5° |
|
| Sep first |
0.3 |
|
Sep last |
0.543 |
|
Sep. Now (ρ) |
0.545" |
|
| Mag pri |
8.68 |
|
Mag sec |
8.37 |
|
delta mag (ΔM) |
0.31 |
|
Spectral class |
F2 (yellow-white) |
|
| Pri motion ra |
-017 |
|
Sec motion ra |
-017 |
|
| Pri motion dec |
+046 |
|
Sec motion dec |
+046 |
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 128718 |
|
Constellation |
Bootes |
|
SAO |
45134 |
|
HIP |
71467 |
|
| Tycho2 |
3476-00707-1 |
|
Gaia DR2 |
1591264492447352704 |
|
HD |
128718 |
|
ADS |
9324 |
|
| BD |
BD+48 2222 |
|
Distance |
106.04 |
|
Distance ly |
345.9 |
|
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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