11560+3520 CHR 258 (HD 103613)
11h 56m 00.24s +35° 20' 26.1" P.A. 49.00 sep 0.1 mag 7.00,9.10 Sp F5 dist. 72.15 pc (235.35 l.y.)
| Coord 2000 |
11560+3520 |
|
Discov num |
CHR 258 |
|
Comp |
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Coord arcsec 2000 |
11 56 00.24 +35 20 26.1 |
|
| Date first |
1991 |
|
Date last |
2007 |
|
Obs |
3 |
|
| Pa first |
101 |
|
Pa last |
49.4 |
|
P.A. Now (θ) |
324.3° |
|
| Sep first |
0.2 |
|
Sep last |
0.107 |
|
Sep. Now (ρ) |
0.116" |
|
| Mag pri |
7.00 |
|
Mag sec |
9.10 |
|
delta mag (ΔM) |
2.1 |
|
Spectral class |
F5 (yellow-white) |
|
| Pri motion ra |
-024 |
|
Sec motion ra |
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|
| Pri motion dec |
-027 |
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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 103613 |
|
Constellation |
Ursa Major |
|
SAO |
62759 |
|
HIP |
58184 |
|
| Tycho2 |
2526-01407-1 |
|
Gaia DR2 |
4031448894654813696 |
|
HD |
103613 |
|
GC |
16316 |
|
| BD |
BD+36 2223 |
|
Distance |
72.15 |
|
Distance ly |
235.35 |
|
ORBITAL ELEMENTS
| Period (P) | 13.53y | |
Periastron (T) | 2010.54y | |
Semi-major axis (a) | 0.143a | |
| Eccentricity (e) | 0.165 | |
Inclination (i) | 135.1° | |
Longitude of periastron (ω) | 9.9° | |
| Node (Ω) | 302.5° | |
Notes | n | |
Reference | Grf2013d | |
| Equinox | 2000 | |
Last observation | 2007 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
187.3 |
0.106 |
| 2001 |
159.7 |
0.131 |
| 2002 |
141.0 |
0.153 |
| 2003 |
126.2 |
0.165 |
| 2004 |
112.3 |
0.164 |
| 2005 |
97.1 |
0.151 |
| 2006 |
77.6 |
0.129 |
| 2007 |
50.0 |
0.108 |
| 2008 |
13.5 |
0.100 |
| 2009 |
338.4 |
0.110 |
| 2010 |
309.8 |
0.119 |
| 2011 |
282.5 |
0.114 |
| 2012 |
248.6 |
0.099 |
| 2013 |
207.1 |
0.097 |
| 2014 |
172.9 |
0.117 |
| 2015 |
150.2 |
0.142 |
| 2016 |
133.7 |
0.160 |
| 2017 |
119.7 |
0.166 |
| 2018 |
105.5 |
0.159 |
| 2019 |
88.7 |
0.141 |
| 2020 |
65.9 |
0.118 |
| 2021 |
33.5 |
0.102 |
| 2022 |
356.2 |
0.103 |
| 2023 |
324.3 |
0.116 |
| 2024 |
297.3 |
0.119 |
| 2025 |
267.8 |
0.107 |
| 2026 |
229.3 |
0.095 |
| 2027 |
189.4 |
0.105 |
| 2028 |
161.1 |
0.129 |
| 2029 |
141.9 |
0.152 |
| 2030 |
127.0 |
0.165 |
|
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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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