16453+5647 MCA 44 (HD 151613)
16h 45m 17.79s +56° 46' 54.1" P.A. 144.00 sep 0.0 mag 4.85, Sp F2V dist. 26.11 pc (85.17 l.y.)
| Coord 2000 |
16453+5647 |
|
Discov num |
MCA 44 |
|
Comp |
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Coord arcsec 2000 |
16 45 17.79 +56 46 54.1 |
|
| Date first |
1977 |
|
Date last |
1981 |
|
Obs |
2 |
|
| Pa first |
52 |
|
Pa last |
143.5 |
|
P.A. Now (θ) |
143.5° |
|
| Sep first |
0.0 |
|
Sep last |
0.047 |
|
Sep. Now (ρ) |
0.047" |
|
| Mag pri |
4.85 |
|
Mag sec |
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delta mag (ΔM) |
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|
Spectral class |
F2V (yellow-white) |
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| Pri motion ra |
+018 |
|
Sec motion ra |
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|
| Pri motion dec |
+066 |
|
Sec motion dec |
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| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 151613 |
|
Constellation |
Draco |
|
SAO |
30076 |
|
HIP |
82020 |
|
| Tycho2 |
3882-02597-1 |
|
Gaia DR2 |
1430517198137007872 |
|
HD |
151613 |
|
HR |
6237 |
|
| GC |
22584 |
|
GL |
Wo 9578 |
|
BD |
BD+57 1702 |
|
FK5 |
627 |
|
| Distance |
26.11 |
|
Distance ly |
85.17 |
|
ORBITAL ELEMENTS
| Period (P) | 1385.7281d (3.79y) | |
Periastron (T) | 48616.7148d (1991.984y) | ± 5.3981 |
Semi-major axis (a) | 39.26m | ± 1.14 |
| Eccentricity (e) | 0.72 | |
Inclination (i) | 112.44° | ± 1.54 |
Longitude of periastron (ω) | 99° | |
| Node (Ω) | 249.02° | ± 2.11 |
Notes | n | |
Reference | HIP1997d | |
| Equinox | | |
Last observation | 1991 | |
Grade | 9 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000-01-01 |
45.5 |
0.025 |
| 2001-01-01 |
343.6 |
0.025 |
| 2002-01-01 |
293.4 |
0.032 |
| 2003-01-01 |
259.1 |
0.029 |
| 2004-01-01 |
33.3 |
0.026 |
| 2005-01-01 |
331.0 |
0.026 |
| 2006-01-01 |
286.2 |
0.034 |
| 2007-01-01 |
245.4 |
0.019 |
| 2008-01-01 |
21.1 |
0.025 |
| 2009-01-01 |
319.4 |
0.027 |
| 2010-01-01 |
279.5 |
0.035 |
| 2011-01-01 |
89.6 |
0.009 |
| 2012-01-01 |
8.2 |
0.025 |
| 2013-01-01 |
309.2 |
0.029 |
| 2014-01-01 |
273.0 |
0.035 |
| 2015-01-01 |
57.3 |
0.022 |
| 2016-01-01 |
354.9 |
0.024 |
| 2017-01-01 |
300.3 |
0.031 |
| 2018-01-01 |
266.1 |
0.033 |
| 2019-01-01 |
43.7 |
0.025 |
| 2020-01-01 |
341.7 |
0.025 |
| 2021-01-01 |
292.3 |
0.033 |
| 2022-01-01 |
257.7 |
0.028 |
| 2023-01-01 |
31.6 |
0.026 |
| 2024-01-01 |
329.2 |
0.026 |
| 2025-01-01 |
285.2 |
0.034 |
| 2026-01-01 |
241.5 |
0.016 |
| 2027-01-01 |
19.2 |
0.025 |
| 2028-01-01 |
317.9 |
0.027 |
| 2029-01-01 |
278.5 |
0.035 |
| 2030-01-01 |
79.3 |
0.012 |
|
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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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