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 |
|
Discov num |
BU 224 |
|
Comp |
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Coord arcsec 2000 |
14 13 26.94 +12 34 26.2 |
|
| Date first |
1875 |
|
Date last |
2016 |
|
Obs |
76 |
|
| Pa first |
71 |
|
Pa last |
100.6 |
|
P.A. Now (θ) |
100.6° |
|
| Sep first |
0.7 |
|
Sep last |
0.632 |
|
Sep. Now (ρ) |
0.632" |
|
| Mag pri |
8.94 |
|
Mag sec |
9.35 |
|
delta mag (ΔM) |
0.41 |
|
Spectral class |
G0 (yellow) |
|
| Pri motion ra |
+047 |
|
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 |
|
Constellation |
Bootes |
|
SAO |
100918 |
|
HIP |
69480 |
|
| Tycho2 |
0908-01174-1 |
|
Gaia DR2 |
1226746460507847680 |
|
HD |
124442 |
|
ADS |
9165 |
|
| BD |
BD+13 2762 |
|
Distance |
99.9 |
|
Distance ly |
325.87 |
|
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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