13288+5956 STF 1752 AB (HD 117433)
13h 28m 49.82s +59° 55' 41.7" P.A. 107.00 sep 1.0 mag 8.19,9.90 Sp F8 dist. 73.42 pc (239.5 l.y.)
| Coord 2000 |
13288+5956 |
|
Discov num |
STF1752 |
|
Comp |
AB |
|
Coord arcsec 2000 |
13 28 49.82 +59 55 41.7 |
|
| Date first |
1832 |
|
Date last |
2017 |
|
Obs |
37 |
|
| Pa first |
149 |
|
Pa last |
107.4 |
|
P.A. Now (θ) |
107.4° |
|
| Sep first |
1.6 |
|
Sep last |
0.973 |
|
Sep. Now (ρ) |
0.973" |
|
| Mag pri |
8.19 |
|
Mag sec |
9.90 |
|
delta mag (ΔM) |
1.71 |
|
Spectral class |
F8 (yellow-white) |
|
| Pri motion ra |
-084 |
|
Sec motion ra |
-084 |
|
| Pri motion dec |
+031 |
|
Sec motion dec |
+031 |
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
13288+5956 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 117433 |
16083 |
13 28 50 +59 55 42 |
STF 1752 AB |
2017 |
37 |
107 |
1.0 |
8.19 |
9.90 |
1.71 |
Y |
<=== |
| Show |
|
16080 |
13 28 27 +59 56 45 |
S 649 CA |
2014 |
23 |
111 |
182.2 |
5.46 |
8.19 |
2.73 |
|
|
| Show |
|
16080 |
13 28 27 +59 56 45 |
STU 25 CD |
2015 |
14 |
61 |
414.0 |
5.46 |
8.73 |
3.27 |
|
|
| Show |
|
16080 |
13 28 27 +59 56 45 |
ARN 9 CE |
2015 |
11 |
107 |
380.0 |
5.46 |
10.22 |
4.76 |
|
|
Quintuple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 117433 |
|
Constellation |
Ursa Major |
|
SAO |
16083 |
|
HIP |
65756 |
|
| Tycho2 |
3856-00980-1 |
|
Gaia DR2 |
1662353524116316800 |
|
HD |
117433 |
|
GC |
18240 |
|
| ADS |
8919 |
|
BD |
BD+60 1464 |
|
Distance |
73.42 |
|
Distance ly |
239.5 |
|
ORBITAL ELEMENTS
| Period (P) | 500y | |
Periastron (T) | 2173.8y | |
Semi-major axis (a) | 1.236a | |
| Eccentricity (e) | 0.6 | |
Inclination (i) | 118° | |
Longitude of periastron (ω) | 231.8° | |
| Node (Ω) | 164.7° | |
Notes | n | |
Reference | Tok2021c | |
| Equinox | 2000 | |
Last observation | 2017 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
112.8 |
1.032 |
| 2001 |
112.4 |
1.026 |
| 2002 |
112.0 |
1.020 |
| 2003 |
111.6 |
1.015 |
| 2004 |
111.2 |
1.009 |
| 2005 |
110.8 |
1.003 |
| 2006 |
110.4 |
0.997 |
| 2007 |
110.0 |
0.992 |
| 2008 |
109.6 |
0.986 |
| 2009 |
109.2 |
0.980 |
| 2010 |
108.7 |
0.974 |
| 2011 |
108.3 |
0.968 |
| 2012 |
107.8 |
0.963 |
| 2013 |
107.4 |
0.957 |
| 2014 |
106.9 |
0.951 |
| 2015 |
106.5 |
0.946 |
| 2016 |
106.0 |
0.940 |
| 2017 |
105.5 |
0.934 |
| 2018 |
105.1 |
0.929 |
| 2019 |
104.6 |
0.923 |
| 2020 |
104.1 |
0.917 |
| 2021 |
103.6 |
0.912 |
| 2022 |
103.1 |
0.906 |
| 2023 |
102.6 |
0.900 |
| 2024 |
102.1 |
0.895 |
| 2025 |
101.6 |
0.889 |
| 2026 |
101.0 |
0.884 |
| 2027 |
100.5 |
0.878 |
| 2028 |
100.0 |
0.873 |
| 2029 |
99.4 |
0.867 |
| 2030 |
98.9 |
0.862 |
|
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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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