02140+4729 STF 228 (HD 13594)
02h 14m 02.43s +47° 29' 03.3" P.A. 314.00 sep 0.5 mag 6.56,7.21 Sp F2V+F7V dist. 39.59 pc (129.14 l.y.)
Coord 2000 |
02140+4729 |
|
Discov num |
STF 228 |
|
Comp |
|
|
Coord arcsec 2000 |
02 14 02.43 +47 29 03.3 |
|
Date first |
1829 |
|
Date last |
2021 |
|
Obs |
363 |
|
Pa first |
264 |
|
Pa last |
314.1 |
|
P.A. Now (θ) |
317.5° |
|
Sep first |
1.1 |
|
Sep last |
0.532 |
|
Sep. Now (ρ) |
0.497" |
|
Mag pri |
6.56 |
|
Mag sec |
7.21 |
|
delta mag (ΔM) |
0.65 |
|
Spectral class |
F2V+F7V (yellow-white/yellow-white) |
|
Pri motion ra |
-077 |
|
Sec motion ra |
-077 |
|
Pri motion dec |
-053 |
|
Sec motion dec |
-053 |
|
Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 13594 |
|
Constellation |
Andromeda |
|
SAO |
37878 |
|
HIP |
10403 |
|
Tycho2 |
3285-01624-1 |
|
Gaia DR2 |
354756945666297216 |
|
HD |
13594 |
|
HR |
647 |
|
GC |
2668 |
|
ADS |
1709 |
|
BD |
BD+46 536 |
|
Distance |
39.59 |
|
Distance ly |
129.14 |
|
ORBITAL ELEMENTS
Period (P) | 145.41y | ± 0.47 |
Periastron (T) | 1899.07y | ± 0.21 |
Semi-major axis (a) | 0.89a | ± 0.02 |
Eccentricity (e) | 0.2626 | ± 0.0016 |
Inclination (i) | 63.75° | ± 0.17 |
Longitude of periastron (ω) | 322.66° | ± 0.6 |
Node (Ω) | 99.07° | ± 0.25 |
Notes | n | |
Reference | Pru2017 | |
Equinox | 2000 | |
Last observation | 2015 | |
Grade | 2 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
282.6 |
1.009 |
2001 |
283.4 |
0.997 |
2002 |
284.3 |
0.985 |
2003 |
285.2 |
0.971 |
2004 |
286.1 |
0.956 |
2005 |
287.0 |
0.941 |
2006 |
287.9 |
0.924 |
2007 |
288.9 |
0.906 |
2008 |
290.0 |
0.887 |
2009 |
291.1 |
0.867 |
2010 |
292.2 |
0.846 |
2011 |
293.4 |
0.824 |
2012 |
294.7 |
0.800 |
2013 |
296.0 |
0.776 |
2014 |
297.5 |
0.751 |
2015 |
299.0 |
0.725 |
2016 |
300.7 |
0.699 |
2017 |
302.4 |
0.671 |
2018 |
304.4 |
0.643 |
2019 |
306.5 |
0.614 |
2020 |
308.8 |
0.585 |
2021 |
311.4 |
0.556 |
2022 |
314.3 |
0.526 |
2023 |
317.5 |
0.497 |
2024 |
321.1 |
0.468 |
2025 |
325.1 |
0.440 |
2026 |
329.8 |
0.413 |
2027 |
335.0 |
0.388 |
2028 |
340.9 |
0.366 |
2029 |
347.5 |
0.346 |
2030 |
354.8 |
0.331 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|