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 |
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Date last |
2019 |
|
Obs |
20 |
|
Pa first |
230 |
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Pa last |
222.3 |
|
P.A. Now (θ) |
222.3° |
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Sep first |
2.5 |
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Sep last |
3.178 |
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Sep. Now (ρ) |
3.178" |
|
Mag pri |
7.09 |
|
Mag sec |
11.16 |
|
delta mag (ΔM) |
4.07 |
|
Spectral class |
A1V (white) |
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Pri motion ra |
-030 |
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Sec motion ra |
-032 |
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Pri motion dec |
-026 |
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Sec motion dec |
-031 |
|
Notes |
N
O
W
(See Notes, Orbital solution, ) |
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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 |
|
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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 |
|
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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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