14142+2642 STF 1817 (HD 124643)
14h 14m 12.81s +26° 41' 43.8" P.A. 322.00 sep 0.1 mag 8.98,8.77 Sp F8 dist. 123.46 pc (402.73 l.y.)
| Coord 2000 |
14142+2642 |
|
Discov num |
STF1817 |
|
Comp |
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Coord arcsec 2000 |
14 14 12.81 +26 41 43.8 |
|
| Date first |
1832 |
|
Date last |
2013 |
|
Obs |
74 |
|
| Pa first |
7 |
|
Pa last |
322.2 |
|
P.A. Now (θ) |
322.2° |
|
| Sep first |
1.6 |
|
Sep last |
0.107 |
|
Sep. Now (ρ) |
0.107" |
|
| Mag pri |
8.98 |
|
Mag sec |
8.77 |
|
delta mag (ΔM) |
0.21 |
|
Spectral class |
F8 (yellow-white) |
|
| Pri motion ra |
-031 |
|
Sec motion ra |
-031 |
|
| Pri motion dec |
-014 |
|
Sec motion dec |
-014 |
|
| Notes |
O
(Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 124643 |
|
Constellation |
Bootes |
|
SAO |
83239 |
|
HIP |
69551 |
|
| Tycho2 |
2010-00695-1 |
|
Gaia DR2 |
1259265414547634944 |
|
HD |
124643 |
|
GC |
19215 |
|
| ADS |
9177 |
|
BD |
BD+27 2349 |
|
Distance |
123.46 |
|
Distance ly |
402.73 |
|
ORBITAL ELEMENTS
| Period (P) | 832y | |
Periastron (T) | 2085y | |
Semi-major axis (a) | 1.115a | |
| Eccentricity (e) | 0.55 | |
Inclination (i) | 99.3° | |
Longitude of periastron (ω) | 165.9° | |
| Node (Ω) | 6.3° | |
Notes | | |
Reference | Zir2014a | |
| Equinox | 2000 | |
Last observation | 2005 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
346.5 |
0.374 |
| 2001 |
345.9 |
0.364 |
| 2002 |
345.4 |
0.354 |
| 2003 |
344.8 |
0.344 |
| 2004 |
344.1 |
0.334 |
| 2005 |
343.5 |
0.324 |
| 2006 |
342.7 |
0.314 |
| 2007 |
342.0 |
0.304 |
| 2008 |
341.2 |
0.294 |
| 2009 |
340.3 |
0.284 |
| 2010 |
339.4 |
0.274 |
| 2011 |
338.4 |
0.264 |
| 2012 |
337.3 |
0.254 |
| 2013 |
336.1 |
0.244 |
| 2014 |
334.8 |
0.234 |
| 2015 |
333.5 |
0.225 |
| 2016 |
332.0 |
0.215 |
| 2017 |
330.3 |
0.206 |
| 2018 |
328.5 |
0.196 |
| 2019 |
326.5 |
0.187 |
| 2020 |
324.4 |
0.178 |
| 2021 |
322.0 |
0.170 |
| 2022 |
319.3 |
0.161 |
| 2023 |
316.4 |
0.153 |
| 2024 |
313.1 |
0.146 |
| 2025 |
309.6 |
0.139 |
| 2026 |
305.6 |
0.132 |
| 2027 |
301.3 |
0.126 |
| 2028 |
296.5 |
0.121 |
| 2029 |
291.4 |
0.117 |
| 2030 |
285.9 |
0.114 |
| 2031 |
280.2 |
0.112 |
| 2032 |
274.3 |
0.111 |
| 2033 |
268.4 |
0.111 |
| 2034 |
262.5 |
0.112 |
| 2035 |
256.8 |
0.114 |
| 2036 |
251.4 |
0.118 |
| 2037 |
246.4 |
0.122 |
| 2038 |
241.7 |
0.127 |
| 2039 |
237.4 |
0.133 |
| 2040 |
233.5 |
0.140 |
| 2041 |
230.0 |
0.147 |
| 2042 |
226.8 |
0.155 |
| 2043 |
223.9 |
0.163 |
| 2044 |
221.3 |
0.171 |
| 2045 |
218.9 |
0.179 |
| 2046 |
216.8 |
0.188 |
| 2047 |
214.8 |
0.197 |
| 2048 |
213.0 |
0.206 |
| 2049 |
211.4 |
0.215 |
| 2050 |
209.9 |
0.225 |
|
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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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