16115+0943 FIN 354 (HD 145589)
16h 11m 29.76s +09° 42' 43.2" P.A. 84.00 sep 0.1 mag 7.19,7.52 Sp F0IV dist. 162.34 pc (529.55 l.y.)
| Coord 2000 |
16115+0943 |
|
Discov num |
FIN 354 |
|
Comp |
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Coord arcsec 2000 |
16 11 29.76 +09 42 43.2 |
|
| Date first |
1959 |
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Date last |
2018 |
|
Obs |
46 |
|
| Pa first |
96 |
|
Pa last |
84.1 |
|
P.A. Now (θ) |
83.5° |
|
| Sep first |
0.1 |
|
Sep last |
0.116 |
|
Sep. Now (ρ) |
0.079" |
|
| Mag pri |
7.19 |
|
Mag sec |
7.52 |
|
delta mag (ΔM) |
0.33 |
|
Spectral class |
F0IV (yellow-white) |
|
| Pri motion ra |
+026 |
|
Sec motion ra |
|
|
| Pri motion dec |
-016 |
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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 145589 |
|
Constellation |
Hercules |
|
SAO |
121414 |
|
HIP |
79337 |
|
| Tycho2 |
0949-00316-1 |
|
Gaia DR2 |
4453281753333967104 |
|
HD |
145589 |
|
HR |
6032 |
|
| GC |
21774 |
|
BD |
BD+10 2971 |
|
Distance |
162.34 |
|
Distance ly |
529.55 |
|
ORBITAL ELEMENTS
| Period (P) | 61.1y | ± 1.7 |
Periastron (T) | 1999.62y | ± 0.71 |
Semi-major axis (a) | 0.1281a | ± 0.0009 |
| Eccentricity (e) | 0.066 | ± 0.047 |
Inclination (i) | 90.2° | ± 0.6 |
Longitude of periastron (ω) | 91.6° | ± 4.3 |
| Node (Ω) | 263.8° | ± 0.3 |
Notes | n | |
Reference | Tok2019c | |
| Equinox | | |
Last observation | 2018 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
86.5 |
0.009 |
| 2001 |
84.8 |
0.023 |
| 2002 |
84.4 |
0.036 |
| 2003 |
84.2 |
0.049 |
| 2004 |
84.1 |
0.062 |
| 2005 |
84.1 |
0.074 |
| 2006 |
84.0 |
0.085 |
| 2007 |
84.0 |
0.094 |
| 2008 |
83.9 |
0.103 |
| 2009 |
83.9 |
0.111 |
| 2010 |
83.9 |
0.117 |
| 2011 |
83.9 |
0.121 |
| 2012 |
83.8 |
0.125 |
| 2013 |
83.8 |
0.127 |
| 2014 |
83.8 |
0.128 |
| 2015 |
83.8 |
0.127 |
| 2016 |
83.7 |
0.125 |
| 2017 |
83.7 |
0.122 |
| 2018 |
83.7 |
0.117 |
| 2019 |
83.7 |
0.111 |
| 2020 |
83.6 |
0.105 |
| 2021 |
83.6 |
0.097 |
| 2022 |
83.6 |
0.088 |
| 2023 |
83.5 |
0.079 |
| 2024 |
83.5 |
0.069 |
| 2025 |
83.4 |
0.058 |
| 2026 |
83.3 |
0.047 |
| 2027 |
83.0 |
0.035 |
| 2028 |
82.6 |
0.023 |
| 2029 |
81.2 |
0.011 |
| 2030 |
279.3 |
0.002 |
|
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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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