09006+4147 KUI 37 AB
09h 00m 38.42s +41° 46' 57.6" P.A. 144.00 sep 0.5 mag 4.18,6.48 Sp F3V+K0V dist. 16.07 pc (52.42 l.y.)
Coord 2000 |
09006+4147 |
|
Discov num |
KUI 37 |
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Comp |
AB |
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Coord arcsec 2000 |
09 00 38.42 +41 46 57.6 |
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Date first |
1935 |
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Date last |
2017 |
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Obs |
270 |
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Pa first |
37 |
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Pa last |
143.7 |
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P.A. Now (θ) |
31.5° |
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Sep first |
0.6 |
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Sep last |
0.452 |
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Sep. Now (ρ) |
0.7" |
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Mag pri |
4.18 |
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Mag sec |
6.48 |
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delta mag (ΔM) |
2.3 |
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Spectral class |
F3V+K0V (yellow-white/yellow-orange) |
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Pri motion ra |
-382 |
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Sec motion ra |
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Pri motion dec |
-270 |
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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.
09006+4147 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
42642 |
09 00 38 +41 46 58 |
KUI 37 AB |
2017 |
270 |
144 |
0.5 |
4.18 |
6.48 |
2.30 |
Y |
<=== |
Show |
10 UMa |
42642 |
09 00 38 +41 46 58 |
STT 566 AB,C |
2004 |
17 |
184 |
99.7 |
4.03 |
10.36 |
6.33 |
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Show |
|
42642 |
09 00 38 +41 46 58 |
BUP 122 AB,D |
2013 |
9 |
104 |
173.0 |
4.03 |
12.08 |
8.05 |
|
|
Show |
|
42642 |
09 00 38 +41 46 58 |
STT 566 AB,E |
2012 |
10 |
101 |
260.4 |
4.03 |
11.19 |
7.16 |
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Quintuple system
6 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Lynx |
|
SAO |
42642 |
|
HIP |
44248 |
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Tycho2 |
2986-01978-1 |
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HD |
76943 |
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HR |
3579 |
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GC |
12434 |
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GL |
Gl 332A |
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BD |
BD+42 1956 |
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Flamsteed |
10 Ursae Majoris |
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Flamsteed name |
10 UMa |
|
FK5 |
339 |
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Distance |
16.07 |
|
Distance ly |
52.42 |
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Bayer or Flamsteed indentifiers not always match the correct constellation because of procession and proper motion of the star. (UMa vs Lyn)
ORBITAL ELEMENTS
Period (P) | 7961d (21.8y) | ± 1.8 |
Periastron (T) | 49262.6m (1993.754y) | ± 9.1 |
Semi-major axis (a) | 0.64566a | ± 0.00065 |
Eccentricity (e) | 0.15075 | ± 0.00084 |
Inclination (i) | 131.366° | ± 0.099 |
Longitude of periastron (ω) | 32.3° | ± 0.44 |
Node (Ω) | 203.74° | ± 0.1 |
Notes | n | |
Reference | Mut2010b | |
Equinox | 2000 | |
Last observation | 2008 | |
Grade | 1 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
43.6 |
0.635 |
2001 |
33.4 |
0.691 |
2002 |
24.4 |
0.722 |
2003 |
15.9 |
0.726 |
2004 |
7.2 |
0.706 |
2005 |
357.6 |
0.664 |
2006 |
346.5 |
0.608 |
2007 |
332.9 |
0.545 |
2008 |
316.0 |
0.489 |
2009 |
295.6 |
0.455 |
2010 |
273.5 |
0.454 |
2011 |
252.8 |
0.482 |
2012 |
234.9 |
0.523 |
2013 |
219.5 |
0.555 |
2014 |
205.2 |
0.561 |
2015 |
190.3 |
0.532 |
2016 |
172.6 |
0.474 |
2017 |
149.4 |
0.411 |
2018 |
120.2 |
0.384 |
2019 |
91.4 |
0.417 |
2020 |
69.2 |
0.491 |
2021 |
53.3 |
0.576 |
2022 |
41.3 |
0.649 |
2023 |
31.5 |
0.700 |
2024 |
22.7 |
0.725 |
2025 |
14.2 |
0.724 |
2026 |
5.3 |
0.699 |
2027 |
355.5 |
0.654 |
2028 |
344.0 |
0.595 |
2029 |
329.8 |
0.533 |
2030 |
312.1 |
0.480 |
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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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