14135+1234 BU 224 (HD 124442)
14h 13m 26.94s +12° 34' 26.2" P.A. 101.00 sep 0.6 mag 8.94,9.35 Sp G0 dist. 99.9 pc (325.87 l.y.)
Coord 2000 |
14135+1234 |
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Discov num |
BU 224 |
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Comp |
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Coord arcsec 2000 |
14 13 26.94 +12 34 26.2 |
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Date first |
1875 |
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Date last |
2016 |
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Obs |
76 |
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Pa first |
71 |
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Pa last |
100.6 |
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P.A. Now (θ) |
100.6° |
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Sep first |
0.7 |
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Sep last |
0.632 |
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Sep. Now (ρ) |
0.632" |
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Mag pri |
8.94 |
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Mag sec |
9.35 |
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delta mag (ΔM) |
0.41 |
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Spectral class |
G0 (yellow) |
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Pri motion ra |
+047 |
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Sec motion ra |
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Pri motion dec |
-015 |
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Sec motion dec |
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Notes |
O
(Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 124442 |
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Constellation |
Bootes |
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SAO |
100918 |
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HIP |
69480 |
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Tycho2 |
0908-01174-1 |
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Gaia DR2 |
1226746460507847680 |
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HD |
124442 |
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ADS |
9165 |
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BD |
BD+13 2762 |
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Distance |
99.9 |
|
Distance ly |
325.87 |
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ORBITAL ELEMENTS
Period (P) | 251.57y | |
Periastron (T) | 1967.62y | |
Semi-major axis (a) | 0.6a | |
Eccentricity (e) | 0.651 | |
Inclination (i) | 121.2° | |
Longitude of periastron (ω) | 192° | |
Node (Ω) | 84.8° | |
Notes | | |
Reference | Lin1985c | |
Equinox | | |
Last observation | 1984 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
110.3 |
0.453 |
2001 |
109.3 |
0.466 |
2002 |
108.4 |
0.480 |
2003 |
107.6 |
0.494 |
2004 |
106.7 |
0.507 |
2005 |
106.0 |
0.520 |
2006 |
105.2 |
0.533 |
2007 |
104.5 |
0.545 |
2008 |
103.9 |
0.558 |
2009 |
103.2 |
0.570 |
2010 |
102.6 |
0.582 |
2011 |
102.0 |
0.593 |
2012 |
101.5 |
0.605 |
2013 |
100.9 |
0.616 |
2014 |
100.4 |
0.627 |
2015 |
99.9 |
0.638 |
2016 |
99.4 |
0.649 |
2017 |
98.9 |
0.659 |
2018 |
98.5 |
0.669 |
2019 |
98.0 |
0.679 |
2020 |
97.6 |
0.689 |
2021 |
97.2 |
0.699 |
2022 |
96.8 |
0.708 |
2023 |
96.4 |
0.717 |
2024 |
96.0 |
0.726 |
2025 |
95.6 |
0.735 |
2026 |
95.2 |
0.744 |
2027 |
94.9 |
0.752 |
2028 |
94.5 |
0.760 |
2029 |
94.2 |
0.769 |
2030 |
93.8 |
0.777 |
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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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