14544-3409 I 226 AB (HD 131399)
14h 54m 25.30s -34° 08' 34.0" P.A. 222.00 sep 3.2 mag 7.09,11.16 Sp A1V dist. 98.04 pc (319.81 l.y.)
| Coord 2000 |
14544-3409 |
|
Discov num |
I 226 |
|
Comp |
AB |
|
Coord arcsec 2000 |
14 54 25.30 -34 08 34.0 |
|
| Date first |
1897 |
|
Date last |
2019 |
|
Obs |
20 |
|
| Pa first |
230 |
|
Pa last |
222.3 |
|
P.A. Now (θ) |
222.3° |
|
| Sep first |
2.5 |
|
Sep last |
3.178 |
|
Sep. Now (ρ) |
3.178" |
|
| Mag pri |
7.09 |
|
Mag sec |
11.16 |
|
delta mag (ΔM) |
4.07 |
|
Spectral class |
A1V (white) |
|
| Pri motion ra |
-030 |
|
Sec motion ra |
-032 |
|
| Pri motion dec |
-026 |
|
Sec motion dec |
-031 |
|
| Notes |
N
O
W
(See Notes, Orbital solution, ) |
|
rPM=0.121 (< 0.3, Physical double)
This double is physical.
14544-3409 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
206071 |
14 54 25 -34 08 34 |
WGK 1 Aa,Ab |
2016 |
3 |
194 |
0.8 |
6.64 |
19.10 |
12.46 |
Y |
|
| Show |
|
206071 |
14 54 25 -34 08 34 |
I 226 A,Ba |
2016 |
3 |
222 |
3.1 |
6.64 |
8.50 |
1.86 |
|
|
| Show |
|
206071 |
14 54 25 -34 08 34 |
I 226 A,Bb |
2016 |
3 |
222 |
3.2 |
6.64 |
10.50 |
3.86 |
|
|
| Show |
HD 131399 |
206071 |
14 54 25 -34 08 34 |
I 226 AB |
2019 |
20 |
222 |
3.2 |
7.09 |
11.16 |
4.07 |
Y |
<=== |
| Show |
|
206071 |
14 54 25 -34 08 34 |
I 226 AC |
2016 |
5 |
201 |
32.9 |
7.09 |
13.20 |
6.11 |
|
|
| Show |
|
|
14 54 25 -34 08 36 |
WGK 1 Ba,Bb |
2016 |
3 |
235 |
0.1 |
8.50 |
19.50 |
11.00 |
|
|
Quintuple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 131399 |
|
Constellation |
Centaurus |
|
SAO |
206071 |
|
HIP |
72940 |
|
| Tycho2 |
7306-02615-1 |
|
Gaia DR2 |
6204835284262018688 |
|
HD |
131399 |
|
CD |
CD-3310153 |
|
| CP |
CP-33 3720 |
|
Distance |
98.04 |
|
Distance ly |
319.81 |
|
ORBITAL ELEMENTS
| Period (P) | 3556y | ± 36 |
Periastron (T) | 502y | ± 33 |
Semi-major axis (a) | 3.56a | ± 0.03 |
| Eccentricity (e) | 0.13 | ± 0.05 |
Inclination (i) | 55° | ± 10 |
Longitude of periastron (ω) | 145.3° | ± 15 |
| Node (Ω) | 265° | ± 20 |
Notes | n | |
Reference | WgK2016 | |
| Equinox | 2000 | |
Last observation | 2016 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
223.7 |
2.895 |
| 2001 |
223.8 |
2.898 |
| 2002 |
223.9 |
2.900 |
| 2003 |
223.9 |
2.903 |
| 2004 |
224.0 |
2.905 |
| 2005 |
224.1 |
2.908 |
| 2006 |
224.2 |
2.910 |
| 2007 |
224.3 |
2.913 |
| 2008 |
224.4 |
2.916 |
| 2009 |
224.5 |
2.918 |
| 2010 |
224.5 |
2.921 |
| 2011 |
224.6 |
2.923 |
| 2012 |
224.7 |
2.926 |
| 2013 |
224.8 |
2.929 |
| 2014 |
224.9 |
2.931 |
| 2015 |
225.0 |
2.934 |
| 2016 |
225.1 |
2.936 |
| 2017 |
225.1 |
2.939 |
| 2018 |
225.2 |
2.941 |
| 2019 |
225.3 |
2.944 |
| 2020 |
225.4 |
2.947 |
| 2021 |
225.5 |
2.949 |
| 2022 |
225.6 |
2.952 |
| 2023 |
225.6 |
2.954 |
| 2024 |
225.7 |
2.957 |
| 2025 |
225.8 |
2.960 |
| 2026 |
225.9 |
2.962 |
| 2027 |
226.0 |
2.965 |
| 2028 |
226.1 |
2.967 |
| 2029 |
226.1 |
2.970 |
| 2030 |
226.2 |
2.972 |
| 2031 |
226.3 |
2.975 |
| 2032 |
226.4 |
2.978 |
| 2033 |
226.5 |
2.980 |
| 2034 |
226.6 |
2.983 |
| 2035 |
226.6 |
2.985 |
| 2036 |
226.7 |
2.988 |
| 2037 |
226.8 |
2.990 |
| 2038 |
226.9 |
2.993 |
| 2039 |
227.0 |
2.996 |
| 2040 |
227.0 |
2.998 |
| 2041 |
227.1 |
3.001 |
| 2042 |
227.2 |
3.003 |
| 2043 |
227.3 |
3.006 |
| 2044 |
227.4 |
3.008 |
| 2045 |
227.5 |
3.011 |
| 2046 |
227.5 |
3.014 |
| 2047 |
227.6 |
3.016 |
| 2048 |
227.7 |
3.019 |
| 2049 |
227.8 |
3.021 |
| 2050 |
227.9 |
3.024 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
Measures: green=micrometric, blue=interferometric, purple=photographic
|
|
