14037+0829 BU 1270 (HD 122769)
14h 03m 43.26s +08° 29' 13.3" P.A. 43.00 sep 0.2 mag 8.15,8.78 Sp F5 dist. 78.19 pc (255.06 l.y.)
Coord 2000 |
14037+0829 |
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Discov num |
BU 1270 |
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Comp |
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Coord arcsec 2000 |
14 03 43.26 +08 29 13.3 |
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Date first |
1892 |
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Date last |
2021 |
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Obs |
141 |
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Pa first |
330 |
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Pa last |
42.8 |
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P.A. Now (θ) |
55.8° |
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Sep first |
0.3 |
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Sep last |
0.173 |
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Sep. Now (ρ) |
0.162" |
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Mag pri |
8.15 |
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Mag sec |
8.78 |
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delta mag (ΔM) |
0.63 |
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Spectral class |
F5 (yellow-white) |
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Pri motion ra |
+034 |
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Sec motion ra |
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Pri motion dec |
-011 |
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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
Name |
HD 122769 |
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Constellation |
Bootes |
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SAO |
120262 |
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HIP |
68697 |
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Tycho2 |
0901-00705-1 |
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HD |
122769 |
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ADS |
9094 |
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BD |
BD+09 2842 |
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Distance |
78.19 |
|
Distance ly |
255.06 |
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ORBITAL ELEMENTS
Period (P) | 38.74y | |
Periastron (T) | 1989.96y | |
Semi-major axis (a) | 0.195a | |
Eccentricity (e) | 0.435 | |
Inclination (i) | 26.6° | |
Longitude of periastron (ω) | 40.3° | |
Node (Ω) | 116.6° | |
Notes | n | |
Reference | USN2006b | |
Equinox | 2000 | |
Last observation | 2003 | |
Grade | 1 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
294.2 |
0.232 |
2001 |
299.3 |
0.242 |
2002 |
304.0 |
0.250 |
2003 |
308.4 |
0.257 |
2004 |
312.6 |
0.262 |
2005 |
316.7 |
0.266 |
2006 |
320.7 |
0.268 |
2007 |
324.6 |
0.270 |
2008 |
328.5 |
0.270 |
2009 |
332.5 |
0.268 |
2010 |
336.4 |
0.266 |
2011 |
340.5 |
0.263 |
2012 |
344.7 |
0.259 |
2013 |
349.0 |
0.253 |
2014 |
353.6 |
0.247 |
2015 |
358.4 |
0.240 |
2016 |
3.5 |
0.232 |
2017 |
9.0 |
0.223 |
2018 |
14.9 |
0.214 |
2019 |
21.4 |
0.204 |
2020 |
28.6 |
0.194 |
2021 |
36.6 |
0.183 |
2022 |
45.6 |
0.172 |
2023 |
55.8 |
0.162 |
2024 |
67.5 |
0.151 |
2025 |
80.9 |
0.140 |
2026 |
96.6 |
0.130 |
2027 |
115.0 |
0.120 |
2028 |
136.6 |
0.110 |
2029 |
161.5 |
0.104 |
2030 |
188.0 |
0.105 |
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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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