11563+3527 STT 241 (HD 103659)
11h 56m 17.24s +35° 26' 53.3" P.A. 147.00 sep 1.8 mag 6.82,8.74 Sp F3V dist. 175.75 pc (573.3 l.y.)
Coord 2000 |
11563+3527 |
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Discov num |
STT 241 |
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Comp |
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Coord arcsec 2000 |
11 56 17.24 +35 26 53.3 |
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Date first |
1843 |
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Date last |
2017 |
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Obs |
132 |
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Pa first |
119 |
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Pa last |
146.6 |
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P.A. Now (θ) |
146.6° |
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Sep first |
1.0 |
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Sep last |
1.83 |
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Sep. Now (ρ) |
1.83" |
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Mag pri |
6.82 |
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Mag sec |
8.74 |
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delta mag (ΔM) |
1.92 |
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Spectral class |
F3V (yellow-white) |
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Pri motion ra |
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Sec motion ra |
-085 |
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Pri motion dec |
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Sec motion dec |
-023 |
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Notes |
O
(Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 103659 |
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Constellation |
Ursa Major |
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SAO |
62763 |
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HIP |
58208 |
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Tycho2 |
2526-01027-1 |
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Gaia DR2 |
4031451162397527552 |
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HD |
103659 |
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GC |
16324 |
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ADS |
8355 |
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BD |
BD+36 2225 |
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Distance |
175.75 |
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Distance ly |
573.3 |
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ORBITAL ELEMENTS
Period (P) | 5855y | ± 712 |
Periastron (T) | 1581.5y | ± 15.6 |
Semi-major axis (a) | 2.859a | ± 0.23 |
Eccentricity (e) | 0.574 | ± 0.011 |
Inclination (i) | 25.8° | ± 5.1 |
Longitude of periastron (ω) | 46.2° | ± 16.6 |
Node (Ω) | 8.2° | ± 10.6 |
Notes | | |
Reference | PkO2018b | |
Equinox | | |
Last observation | | |
Grade | 4 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
143.0 |
1.737 |
2001 |
143.1 |
1.739 |
2002 |
143.3 |
1.742 |
2003 |
143.4 |
1.744 |
2004 |
143.5 |
1.747 |
2005 |
143.6 |
1.749 |
2006 |
143.7 |
1.752 |
2007 |
143.9 |
1.754 |
2008 |
144.0 |
1.756 |
2009 |
144.1 |
1.759 |
2010 |
144.2 |
1.761 |
2011 |
144.3 |
1.764 |
2012 |
144.5 |
1.766 |
2013 |
144.6 |
1.769 |
2014 |
144.7 |
1.771 |
2015 |
144.8 |
1.773 |
2016 |
144.9 |
1.776 |
2017 |
145.1 |
1.778 |
2018 |
145.2 |
1.781 |
2019 |
145.3 |
1.783 |
2020 |
145.4 |
1.785 |
2021 |
145.5 |
1.788 |
2022 |
145.6 |
1.790 |
2023 |
145.7 |
1.793 |
2024 |
145.9 |
1.795 |
2025 |
146.0 |
1.798 |
2026 |
146.1 |
1.800 |
2027 |
146.2 |
1.802 |
2028 |
146.3 |
1.805 |
2029 |
146.4 |
1.807 |
2030 |
146.5 |
1.810 |
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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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