11416+3145 BNU 3 Aa,Ab
11h 41m 34.26s +31° 44' 45.8" P.A. 235.00 sep 0.0 mag 5.73,6.70 Sp F4V dist. 41.15 pc (134.23 l.y.)
| Coord 2000 |
11416+3145 |
|
Discov num |
BNU 3 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
11 41 34.26 +31 44 45.8 |
|
| Date first |
1984 |
|
Date last |
2015 |
|
Obs |
12 |
|
| Pa first |
229 |
|
Pa last |
235 |
|
P.A. Now (θ) |
235° |
|
| Sep first |
0.0 |
|
Sep last |
0.046 |
|
Sep. Now (ρ) |
0.046" |
|
| Mag pri |
5.73 |
|
Mag sec |
6.70 |
|
delta mag (ΔM) |
0.97 |
|
Spectral class |
F4V (yellow-white) |
|
| Pri motion ra |
-351 |
|
Sec motion ra |
|
|
| Pri motion dec |
+030 |
|
Sec motion dec |
|
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
11416+3145 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
62658 |
11 41 34 +31 44 46 |
BNU 3 Aa,Ab |
2015 |
12 |
235 |
0.0 |
5.73 |
6.70 |
0.97 |
Y |
<=== |
| Show |
62 UMa |
62658 |
11 41 34 +31 44 46 |
STT 575 AB |
2018 |
29 |
311 |
44.0 |
5.79 |
9.75 |
3.96 |
|
|
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Ursa Major |
|
SAO |
62658 |
|
HIP |
57029 |
|
Tycho2 |
2523-02743-1 |
|
| HD |
101606 |
|
HR |
4501 |
|
GC |
16051 |
|
BD |
BD+32 2179 |
|
| Flamsteed |
62 Ursae Majoris |
|
Flamsteed name |
62 UMa |
|
FK5 |
2938 |
|
Distance |
41.15 |
|
| Distance ly |
134.23 |
|
ORBITAL ELEMENTS
| Period (P) | 267.508d | ± 0.001 |
Periastron (T) | 47327.5d (1988.454y) | ± 0.02 |
Semi-major axis (a) | 27m | ± 1 |
| Eccentricity (e) | 0.853 | ± 0.001 |
Inclination (i) | 70° | ± 5.7 |
Longitude of periastron (ω) | 195.7° | ± 0.2 |
| Node (Ω) | 39° | ± 3.1 |
Notes | n | |
Reference | Ren2010 | |
| Equinox | 2000 | |
Last observation | 1991 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000-01-01 |
51.3 |
0.035 |
| 2001-01-01 |
34.5 |
0.028 |
| 2002-01-01 |
44.4 |
0.048 |
| 2003-01-01 |
56.7 |
0.023 |
| 2004-01-01 |
38.4 |
0.039 |
| 2005-01-01 |
46.4 |
0.046 |
| 2006-01-01 |
84.0 |
0.007 |
| 2007-01-01 |
40.8 |
0.046 |
| 2008-01-01 |
48.7 |
0.041 |
| 2009-01-01 |
25.8 |
0.014 |
| 2010-01-01 |
42.9 |
0.048 |
| 2011-01-01 |
52.0 |
0.033 |
| 2012-01-01 |
35.5 |
0.031 |
| 2013-01-01 |
44.8 |
0.048 |
| 2014-01-01 |
58.5 |
0.021 |
| 2015-01-01 |
38.9 |
0.041 |
| 2016-01-01 |
46.8 |
0.045 |
| 2017-01-01 |
128.6 |
0.003 |
| 2018-01-01 |
41.3 |
0.046 |
| 2019-01-01 |
49.3 |
0.040 |
| 2020-01-01 |
29.3 |
0.018 |
| 2021-01-01 |
43.2 |
0.049 |
| 2022-01-01 |
52.9 |
0.031 |
| 2023-01-01 |
36.3 |
0.033 |
| 2024-01-01 |
45.2 |
0.048 |
| 2025-01-01 |
60.9 |
0.018 |
| 2026-01-01 |
39.4 |
0.042 |
| 2027-01-01 |
47.2 |
0.044 |
| 2028-01-01 |
207.8 |
0.004 |
| 2029-01-01 |
41.7 |
0.047 |
| 2030-01-01 |
49.9 |
0.038 |
|
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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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