11152+7329 STT 539 AC
11h 15m 11.91s +73° 28' 30.7" P.A. 329.00 sep 6.5 mag 7.77,11.34 Sp K5 dist. 14.65 pc (47.79 l.y.)
| Coord 2000 |
11152+7329 |
|
Discov num |
STT 539 |
|
Comp |
AC |
|
Coord arcsec 2000 |
11 15 11.91 +73 28 30.7 |
|
| Date first |
1858 |
|
Date last |
2021 |
|
Obs |
72 |
|
| Pa first |
292 |
|
Pa last |
329.3 |
|
P.A. Now (θ) |
328.5° |
|
| Sep first |
8.0 |
|
Sep last |
6.54 |
|
Sep. Now (ρ) |
6.5" |
|
| Mag pri |
7.77 |
|
Mag sec |
11.34 |
|
delta mag (ΔM) |
3.57 |
|
Spectral class |
K5 (yellow-orange) |
|
| Pri motion ra |
-402 |
|
Sec motion ra |
-404 |
|
| Pri motion dec |
+110 |
|
Sec motion dec |
+112 |
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
rPM=0.007 (< 0.3, Physical double)
This double is physical.
11152+7329 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 97584 |
7320 |
11 15 12 +73 28 31 |
STF 1516 AB |
2017 |
149 |
103 |
67.6 |
7.77 |
8.23 |
0.46 |
|
|
| Show |
|
7320 |
11 15 12 +73 28 31 |
STT 539 AC |
2021 |
72 |
329 |
6.5 |
7.77 |
11.34 |
3.57 |
Y |
<=== |
| Show |
|
7321 |
11 15 26 +73 28 17 |
STT 539 BC |
2015 |
42 |
287 |
72.2 |
8.23 |
11.34 |
3.11 |
|
|
| Show |
|
7321 |
11 15 26 +73 28 17 |
HDS 1603 BD |
1991 |
1 |
115 |
0.1 |
8.23 |
10.02 |
1.79 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Draco |
|
SAO |
7320 |
|
HIP |
54952 |
|
Tycho2 |
4398-00328-1 |
|
| HD |
97584 |
|
BD |
BD+74 456 |
|
Distance |
14.65 |
|
Distance ly |
47.79 |
|
ORBITAL ELEMENTS
| Period (P) | 2774.5344y | ± 1380.4169 |
Periastron (T) | 1664.9355y | ± 546.5694 |
Semi-major axis (a) | 26.17204a | ± 11.58679 |
| Eccentricity (e) | 0.82467 | ± 0.12179 |
Inclination (i) | 78.216° | ± 7.434 |
Longitude of periastron (ω) | 115.953° | ± 41.864 |
| Node (Ω) | 87.583° | ± 50.714 |
Notes | n | |
Reference | Izm2019 | |
| Equinox | | |
Last observation | 2015 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
322.8 |
6.513 |
| 2001 |
323.0 |
6.507 |
| 2002 |
323.2 |
6.501 |
| 2003 |
323.5 |
6.495 |
| 2004 |
323.7 |
6.490 |
| 2005 |
324.0 |
6.484 |
| 2006 |
324.2 |
6.478 |
| 2007 |
324.5 |
6.473 |
| 2008 |
324.7 |
6.467 |
| 2009 |
325.0 |
6.462 |
| 2010 |
325.2 |
6.457 |
| 2011 |
325.4 |
6.452 |
| 2012 |
325.7 |
6.447 |
| 2013 |
325.9 |
6.442 |
| 2014 |
326.2 |
6.437 |
| 2015 |
326.4 |
6.432 |
| 2016 |
326.7 |
6.427 |
| 2017 |
326.9 |
6.423 |
| 2018 |
327.2 |
6.418 |
| 2019 |
327.4 |
6.414 |
| 2020 |
327.7 |
6.409 |
| 2021 |
327.9 |
6.405 |
| 2022 |
328.2 |
6.401 |
| 2023 |
328.4 |
6.397 |
| 2024 |
328.7 |
6.393 |
| 2025 |
328.9 |
6.389 |
| 2026 |
329.2 |
6.385 |
| 2027 |
329.4 |
6.382 |
| 2028 |
329.7 |
6.378 |
| 2029 |
329.9 |
6.375 |
| 2030 |
330.2 |
6.371 |
| 2031 |
330.4 |
6.368 |
| 2032 |
330.7 |
6.365 |
| 2033 |
331.0 |
6.362 |
| 2034 |
331.2 |
6.359 |
| 2035 |
331.5 |
6.356 |
| 2036 |
331.7 |
6.353 |
| 2037 |
332.0 |
6.350 |
| 2038 |
332.2 |
6.348 |
| 2039 |
332.5 |
6.345 |
| 2040 |
332.7 |
6.343 |
| 2041 |
333.0 |
6.341 |
| 2042 |
333.2 |
6.338 |
| 2043 |
333.5 |
6.336 |
| 2044 |
333.8 |
6.334 |
| 2045 |
334.0 |
6.332 |
| 2046 |
334.3 |
6.331 |
| 2047 |
334.5 |
6.329 |
| 2048 |
334.8 |
6.327 |
| 2049 |
335.0 |
6.326 |
| 2050 |
335.3 |
6.324 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
Measures: green=micrometric, blue=interferometric, purple=photographic
|
|
