14544-3409 WGK 1 Aa,Ab
14h 54m 25.30s -34° 08' 34.0" P.A. 194.00 sep 0.8 mag 6.64,19.10 Sp A1V+T3 dist. 98.04 pc (319.81 l.y.)
| Coord 2000 |
14544-3409 |
|
Discov num |
WGK 1 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
14 54 25.30 -34 08 34.0 |
|
| Date first |
2015 |
|
Date last |
2016 |
|
Obs |
3 |
|
| Pa first |
194 |
|
Pa last |
193.5 |
|
P.A. Now (θ) |
193.5° |
|
| Sep first |
0.8 |
|
Sep last |
0.83 |
|
Sep. Now (ρ) |
0.83" |
|
| Mag pri |
6.64 |
|
Mag sec |
19.10 |
|
delta mag (ΔM) |
12.46 |
|
Spectral class |
A1V+T3 (white/brown dwarf) |
|
| Pri motion ra |
-030 |
|
Sec motion ra |
|
|
| Pri motion dec |
-026 |
|
Sec motion dec |
|
|
| Notes |
N
O
W
K
(See Notes, Orbital solution, , K-band or other infrared magnitudes) |
|
Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes
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
| 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) | 550y | ± 150 |
Periastron (T) | 1775y | ± 175 |
Semi-major axis (a) | 0.8a | ± 0.2 |
| Eccentricity (e) | 0.35 | ± 0.25 |
Inclination (i) | 40° | ± 50 |
Longitude of periastron (ω) | ° | |
| Node (Ω) | ° | |
Notes | n | |
Reference | WgK2016 | |
| Equinox | 2000 | |
Last observation | 2016 | |
Grade | 7 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
166.7 |
1.036 |
| 2001 |
167.0 |
1.038 |
| 2002 |
167.3 |
1.039 |
| 2003 |
167.6 |
1.041 |
| 2004 |
167.9 |
1.043 |
| 2005 |
168.1 |
1.044 |
| 2006 |
168.4 |
1.046 |
| 2007 |
168.7 |
1.047 |
| 2008 |
169.0 |
1.049 |
| 2009 |
169.2 |
1.050 |
| 2010 |
169.5 |
1.052 |
| 2011 |
169.8 |
1.053 |
| 2012 |
170.0 |
1.054 |
| 2013 |
170.3 |
1.056 |
| 2014 |
170.6 |
1.057 |
| 2015 |
170.9 |
1.058 |
| 2016 |
171.1 |
1.060 |
| 2017 |
171.4 |
1.061 |
| 2018 |
171.7 |
1.062 |
| 2019 |
171.9 |
1.063 |
| 2020 |
172.2 |
1.064 |
| 2021 |
172.5 |
1.065 |
| 2022 |
172.7 |
1.066 |
| 2023 |
173.0 |
1.067 |
| 2024 |
173.2 |
1.068 |
| 2025 |
173.5 |
1.069 |
| 2026 |
173.8 |
1.070 |
| 2027 |
174.0 |
1.071 |
| 2028 |
174.3 |
1.071 |
| 2029 |
174.6 |
1.072 |
| 2030 |
174.8 |
1.073 |
|
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Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
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