11114+4150 HDS 1593
11h 11m 23.70s +41° 49' 36.4" P.A. 161.00 sep 0.3 mag 10.18,12.05 Sp K2 dist. 58.75 pc (191.64 l.y.)
| Coord 2000 |
11114+4150 |
|
Discov num |
HDS1593 |
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Comp |
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Coord arcsec 2000 |
11 11 23.70 +41 49 36.4 |
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| Date first |
1991 |
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Date last |
2012 |
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Obs |
7 |
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| Pa first |
312 |
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Pa last |
161.4 |
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P.A. Now (θ) |
269.7° |
|
| Sep first |
0.2 |
|
Sep last |
0.262 |
|
Sep. Now (ρ) |
0.121" |
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| Mag pri |
10.18 |
|
Mag sec |
12.05 |
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delta mag (ΔM) |
1.87 |
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Spectral class |
K2 (yellow-orange) |
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| Pri motion ra |
-265 |
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Sec motion ra |
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| Pri motion dec |
+000 |
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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
| Constellation |
Ursa Major |
|
HIP |
54663 |
|
Tycho2 |
3012-01120-1 |
|
Gaia DR2 |
777659186774804864 |
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| BD |
BD+42 2189 |
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Distance |
58.75 |
|
Distance ly |
191.64 |
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ORBITAL ELEMENTS
| Period (P) | 36.8y | ± 3 |
Periastron (T) | 2000.2y | ± 1.1 |
Semi-major axis (a) | 0.265a | ± 0.013 |
| Eccentricity (e) | 0.269 | ± 0.04 |
Inclination (i) | 70.9° | ± 3.2 |
Longitude of periastron (ω) | 74.6° | ± 5.8 |
| Node (Ω) | 329° | ± 1.5 |
Notes | | |
Reference | Hor2021b | |
| Equinox | | |
Last observation | | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
12.7 |
0.087 |
| 2001 |
54.9 |
0.064 |
| 2002 |
99.6 |
0.083 |
| 2003 |
121.0 |
0.123 |
| 2004 |
131.6 |
0.165 |
| 2005 |
138.1 |
0.202 |
| 2006 |
142.7 |
0.231 |
| 2007 |
146.4 |
0.253 |
| 2008 |
149.6 |
0.267 |
| 2009 |
152.5 |
0.275 |
| 2010 |
155.4 |
0.276 |
| 2011 |
158.3 |
0.272 |
| 2012 |
161.3 |
0.263 |
| 2013 |
164.6 |
0.250 |
| 2014 |
168.3 |
0.233 |
| 2015 |
172.6 |
0.214 |
| 2016 |
177.8 |
0.194 |
| 2017 |
184.3 |
0.172 |
| 2018 |
192.7 |
0.151 |
| 2019 |
203.7 |
0.131 |
| 2020 |
217.9 |
0.117 |
| 2021 |
235.2 |
0.109 |
| 2022 |
253.4 |
0.111 |
| 2023 |
269.7 |
0.121 |
| 2024 |
282.8 |
0.137 |
| 2025 |
292.9 |
0.157 |
| 2026 |
300.6 |
0.178 |
| 2027 |
306.8 |
0.197 |
| 2028 |
311.9 |
0.214 |
| 2029 |
316.3 |
0.228 |
| 2030 |
320.3 |
0.236 |
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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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