10110+7508 KUI 47
10h 10m 58.77s +75° 08' 28.5" P.A. 121.00 sep 2.0 mag 10.32,10.39 Sp M0 dist. 21.53 pc (70.23 l.y.)
Coord 2000 |
10110+7508 |
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Discov num |
KUI 47 |
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Comp |
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Coord arcsec 2000 |
10 10 58.77 +75 08 28.5 |
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Date first |
1936 |
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Date last |
2017 |
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Obs |
59 |
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Pa first |
158 |
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Pa last |
121.1 |
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P.A. Now (θ) |
121.1° |
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Sep first |
1.3 |
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Sep last |
1.955 |
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Sep. Now (ρ) |
1.955" |
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Mag pri |
10.32 |
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Mag sec |
10.39 |
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delta mag (ΔM) |
0.07 |
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Spectral class |
M0 (red) |
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Pri motion ra |
+228 |
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Sec motion ra |
+228 |
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Pri motion dec |
+252 |
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Sec motion dec |
+252 |
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Notes |
N
O
(See Notes, Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Draco |
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HIP |
49868 |
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Tycho2 |
4542-00134-1 |
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GL |
Gl 379A |
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BD |
BD+75 403 |
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Distance |
21.53 |
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Distance ly |
70.23 |
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ORBITAL ELEMENTS
Period (P) | 236.3323y | ± 24.8421 |
Periastron (T) | 1955.2427y | ± 0.287 |
Semi-major axis (a) | 1.91216a | ± 0.20681 |
Eccentricity (e) | 0.94664 | ± 0.01216 |
Inclination (i) | 52.428° | ± 3.554 |
Longitude of periastron (ω) | 288.009° | ± 3.712 |
Node (Ω) | 16.417° | ± 4.186 |
Notes | n | |
Reference | Izm2019 | |
Equinox | | |
Last observation | 2015 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
116.8 |
1.678 |
2001 |
117.1 |
1.698 |
2002 |
117.5 |
1.717 |
2003 |
117.9 |
1.736 |
2004 |
118.2 |
1.755 |
2005 |
118.6 |
1.774 |
2006 |
118.9 |
1.792 |
2007 |
119.3 |
1.809 |
2008 |
119.6 |
1.827 |
2009 |
119.9 |
1.844 |
2010 |
120.2 |
1.861 |
2011 |
120.6 |
1.878 |
2012 |
120.9 |
1.894 |
2013 |
121.2 |
1.910 |
2014 |
121.5 |
1.926 |
2015 |
121.8 |
1.942 |
2016 |
122.0 |
1.957 |
2017 |
122.3 |
1.972 |
2018 |
122.6 |
1.987 |
2019 |
122.9 |
2.001 |
2020 |
123.2 |
2.016 |
2021 |
123.4 |
2.030 |
2022 |
123.7 |
2.043 |
2023 |
123.9 |
2.057 |
2024 |
124.2 |
2.070 |
2025 |
124.5 |
2.083 |
2026 |
124.7 |
2.096 |
2027 |
125.0 |
2.108 |
2028 |
125.2 |
2.121 |
2029 |
125.4 |
2.133 |
2030 |
125.7 |
2.145 |
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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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