11323+6105 STT 235 AB
11h 32m 20.76s +61° 04' 57.9" P.A. 43.00 sep 0.9 mag 5.69,7.55 Sp F8V dist. 27.99 pc (91.3 l.y.)
Coord 2000 |
11323+6105 |
|
Discov num |
STT 235 |
|
Comp |
AB |
|
Coord arcsec 2000 |
11 32 20.76 +61 04 57.9 |
|
Date first |
1843 |
|
Date last |
2017 |
|
Obs |
340 |
|
Pa first |
283 |
|
Pa last |
42.8 |
|
P.A. Now (θ) |
54.4° |
|
Sep first |
0.5 |
|
Sep last |
0.93 |
|
Sep. Now (ρ) |
0.987" |
|
Mag pri |
5.69 |
|
Mag sec |
7.55 |
|
delta mag (ΔM) |
1.86 |
|
Spectral class |
F8V (yellow-white) |
|
Pri motion ra |
-018 |
|
Sec motion ra |
|
|
Pri motion dec |
-073 |
|
Sec motion dec |
|
|
Notes |
N
O
V
(See Notes, Orbital solution, Proper motion indicates physical) |
|
This double is physical.
11323+6105 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
15542 |
11 32 21 +61 04 58 |
STT 235 AB |
2017 |
340 |
43 |
0.9 |
5.69 |
7.55 |
1.86 |
Y |
<=== |
Show |
HD 100203 |
15542 |
11 32 21 +61 04 58 |
ABT 8 AB,C |
2013 |
6 |
97 |
194.6 |
5.55 |
11.30 |
5.75 |
|
|
Triple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Ursa Major |
|
SAO |
15542 |
|
HIP |
56290 |
|
Tycho2 |
4153-00048-1 |
|
Gaia DR2 |
859479413275804928 |
|
HD |
100203 |
|
HR |
4439 |
|
GC |
15822 |
|
ADS |
8197 |
|
GL |
Gl 431.1A |
|
BD |
BD+61 1246 |
|
Distance |
27.99 |
|
Distance ly |
91.3 |
|
ORBITAL ELEMENTS
Period (P) | 72.9339y | ± 0.2445 |
Periastron (T) | 1981.9104y | ± 0.2447 |
Semi-major axis (a) | 0.79322a | ± 0.00415 |
Eccentricity (e) | 0.39823 | ± 0.00368 |
Inclination (i) | 46.829° | ± 0.384 |
Longitude of periastron (ω) | 132.571° | ± 0.365 |
Node (Ω) | 81.407° | ± 0.693 |
Notes | n | |
Reference | Izm2019 | |
Equinox | | |
Last observation | 2013 | |
Grade | 1 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
342.3 |
0.623 |
2001 |
347.2 |
0.635 |
2002 |
352.0 |
0.648 |
2003 |
356.5 |
0.662 |
2004 |
0.9 |
0.678 |
2005 |
5.0 |
0.695 |
2006 |
8.9 |
0.713 |
2007 |
12.7 |
0.731 |
2008 |
16.2 |
0.750 |
2009 |
19.6 |
0.770 |
2010 |
22.8 |
0.789 |
2011 |
25.9 |
0.808 |
2012 |
28.8 |
0.828 |
2013 |
31.6 |
0.846 |
2014 |
34.2 |
0.865 |
2015 |
36.8 |
0.882 |
2016 |
39.2 |
0.899 |
2017 |
41.6 |
0.915 |
2018 |
43.9 |
0.930 |
2019 |
46.1 |
0.944 |
2020 |
48.3 |
0.957 |
2021 |
50.4 |
0.968 |
2022 |
52.4 |
0.978 |
2023 |
54.4 |
0.987 |
2024 |
56.4 |
0.994 |
2025 |
58.4 |
0.999 |
2026 |
60.3 |
1.003 |
2027 |
62.3 |
1.005 |
2028 |
64.2 |
1.005 |
2029 |
66.1 |
1.002 |
2030 |
68.1 |
0.998 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|