11017+3641 COU 1422 Ba,Bb
11h 01m 48.52s +36° 41' 14.6" P.A. 47.00 sep 0.7 mag 11.20,11.50
Coord 2000 |
11017+3641 |
|
Discov num |
COU1422 |
|
Comp |
Ba,Bb |
|
Coord arcsec 2000 |
11 01 48.52 +36 41 14.6 |
|
Date first |
1976 |
|
Date last |
2016 |
|
Obs |
7 |
|
Pa first |
329 |
|
Pa last |
47 |
|
P.A. Now (θ) |
47° |
|
Sep first |
0.4 |
|
Sep last |
0.664 |
|
Sep. Now (ρ) |
0.664" |
|
Mag pri |
11.20 |
|
Mag sec |
11.50 |
|
delta mag (ΔM) |
0.3 |
|
Spectral class |
|
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Pri motion ra |
-009 |
|
Sec motion ra |
|
|
Pri motion dec |
+055 |
|
Sec motion dec |
|
|
Notes |
O
(Orbital solution) |
|
This double is physical.
11017+3641 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
62360 |
11 01 46 +36 40 42 |
HDS 1574 Aa,Ab |
2019 |
13 |
99 |
0.3 |
7.58 |
11.06 |
3.48 |
Y |
|
Show |
HD 95485 |
62360 |
11 01 46 +36 40 42 |
UC 2059 AB |
2015 |
11 |
46 |
46.6 |
7.49 |
10.70 |
3.21 |
|
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Show |
|
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11 01 49 +36 41 15 |
COU 1422 Ba,Bb |
2016 |
7 |
47 |
0.7 |
11.20 |
11.50 |
0.30 |
Y |
<=== |
Quadruple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Ursa Major |
|
Gaia DR2 |
763088115086038400 |
|
ORBITAL ELEMENTS
Period (P) | 173y | |
Periastron (T) | 1958y | |
Semi-major axis (a) | 0.56a | |
Eccentricity (e) | 0.35 | |
Inclination (i) | 39.5° | |
Longitude of periastron (ω) | 180° | |
Node (Ω) | 74° | |
Notes | | |
Reference | Tok2019e | |
Equinox | 2000 | |
Last observation | 2018 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
26.6 |
0.527 |
2001 |
28.2 |
0.536 |
2002 |
29.8 |
0.545 |
2003 |
31.4 |
0.554 |
2004 |
32.9 |
0.563 |
2005 |
34.4 |
0.571 |
2006 |
35.8 |
0.580 |
2007 |
37.2 |
0.588 |
2008 |
38.5 |
0.597 |
2009 |
39.8 |
0.605 |
2010 |
41.1 |
0.613 |
2011 |
42.4 |
0.621 |
2012 |
43.6 |
0.628 |
2013 |
44.7 |
0.636 |
2014 |
45.9 |
0.643 |
2015 |
47.0 |
0.650 |
2016 |
48.1 |
0.657 |
2017 |
49.2 |
0.664 |
2018 |
50.3 |
0.670 |
2019 |
51.3 |
0.676 |
2020 |
52.3 |
0.682 |
2021 |
53.3 |
0.688 |
2022 |
54.3 |
0.694 |
2023 |
55.3 |
0.699 |
2024 |
56.3 |
0.704 |
2025 |
57.2 |
0.709 |
2026 |
58.1 |
0.714 |
2027 |
59.1 |
0.718 |
2028 |
60.0 |
0.722 |
2029 |
60.9 |
0.726 |
2030 |
61.7 |
0.730 |
|
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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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