11125+3549 BOY 5 Ea,Eb
11h 12m 25.67s +35° 48' 13.2" P.A. 102.00 sep 0.1 mag 18.58,19.65
| Coord 2000 |
11125+3549 |
|
Discov num |
BOY 5 |
|
Comp |
Ea,Eb |
|
Coord arcsec 2000 |
11 12 25.67 +35 48 13.2 |
|
| Date first |
2001 |
|
Date last |
2014 |
|
Obs |
25 |
|
| Pa first |
79 |
|
Pa last |
102 |
|
P.A. Now (θ) |
278.7° |
|
| Sep first |
0.1 |
|
Sep last |
0.116 |
|
Sep. Now (ρ) |
0.14" |
|
| Mag pri |
18.58 |
|
Mag sec |
19.65 |
|
delta mag (ΔM) |
1.07 |
|
Spectral class |
|
|
| Pri motion ra |
-248 |
|
Sec motion ra |
|
|
| Pri motion dec |
-151 |
|
Sec motion dec |
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|
| Notes |
N
O
R
(See Notes, Orbital solution, Red magnitudes) |
|
This double is physical.
11125+3549 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
MN UMa |
62451 |
11 12 32 +35 48 51 |
STTA 108 AB |
2017 |
34 |
68 |
161.7 |
6.48 |
7.32 |
0.84 |
|
|
| Show |
|
62451 |
11 12 32 +35 48 51 |
STTA 108 AC |
2015 |
7 |
141 |
87.1 |
6.48 |
13.70 |
7.22 |
|
|
| Show |
|
62451 |
11 12 32 +35 48 51 |
KIR 3 AE |
2016 |
3 |
245 |
89.9 |
6.48 |
14.60 |
8.12 |
|
|
| Show |
|
62453 |
11 12 44 +35 49 48 |
STTA 108 BD |
2014 |
7 |
88 |
999.9 |
7.32 |
8.21 |
0.89 |
|
|
| Show |
|
|
11 12 26 +35 48 13 |
BOY 5 Ea,Eb |
2014 |
25 |
102 |
0.1 |
18.58 |
19.65 |
1.07 |
Y |
<=== |
Sextuple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Ursa Major |
|
Gaia DR2 |
761918578311083264 |
|
ORBITAL ELEMENTS
| Period (P) | 15.65y | ± 0.08 |
Periastron (T) | 62370d (2029.639y) | ± 50 |
Semi-major axis (a) | 130m | ± 0.4 |
| Eccentricity (e) | 0.106 | ± 0.003 |
Inclination (i) | 102.9° | ± 0.5 |
Longitude of periastron (ω) | 348° | ± 5 |
| Node (Ω) | 101.06° | ± 0.22 |
Notes | n | |
Reference | Dup2017 | |
| Equinox | | |
Last observation | 2014 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
92.3 |
0.100 |
| 2001 |
79.5 |
0.066 |
| 2002 |
34.9 |
0.032 |
| 2003 |
318.4 |
0.048 |
| 2004 |
297.7 |
0.087 |
| 2005 |
289.6 |
0.120 |
| 2006 |
284.5 |
0.139 |
| 2007 |
280.2 |
0.143 |
| 2008 |
275.7 |
0.130 |
| 2009 |
269.4 |
0.102 |
| 2010 |
256.2 |
0.063 |
| 2011 |
202.4 |
0.029 |
| 2012 |
129.1 |
0.053 |
| 2013 |
111.7 |
0.092 |
| 2014 |
103.7 |
0.114 |
| 2015 |
97.2 |
0.113 |
| 2016 |
88.9 |
0.089 |
| 2017 |
70.8 |
0.052 |
| 2018 |
1.1 |
0.030 |
| 2019 |
308.1 |
0.062 |
| 2020 |
294.3 |
0.100 |
| 2021 |
287.6 |
0.128 |
| 2022 |
283.0 |
0.142 |
| 2023 |
278.7 |
0.140 |
| 2024 |
273.8 |
0.122 |
| 2025 |
266.1 |
0.090 |
| 2026 |
246.4 |
0.048 |
| 2027 |
165.7 |
0.031 |
| 2028 |
120.7 |
0.067 |
| 2029 |
108.5 |
0.102 |
| 2030 |
101.4 |
0.116 |
|
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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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