14396-6050 LDS 494 AC
14h 39m 36.50s -60° 50' 02.3" P.A. 212.00 sep 999.9 mag 0.14,12.70 Sp G2V+M5Ve dist. 1.32 pc (4.31 l.y.)
Coord 2000 |
14396-6050 |
|
Discov num |
LDS 494 |
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Comp |
AC |
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Coord arcsec 2000 |
14 39 36.50 -60 50 02.3 |
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Date first |
1920 |
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Date last |
2016 |
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Obs |
4 |
|
Pa first |
225 |
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Pa last |
212 |
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P.A. Now (θ) |
212° |
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Sep first |
999.9 |
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Sep last |
7960.2 |
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Sep. Now (ρ) |
7960.2" |
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Mag pri |
0.14 |
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Mag sec |
12.70 |
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delta mag (ΔM) |
12.56 |
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Spectral class |
G2V+M5Ve (yellow/red) |
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Pri motion ra |
-364 |
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Sec motion ra |
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Pri motion dec |
+070 |
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Sec motion dec |
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Notes |
N
O
P
(See Notes, Orbital solution, 100-year proper motion) |
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This double is physical.
14396-6050 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
Rigil Kentaurus |
252838 |
14 39 36 -60 50 02 |
RHD 1 AB |
2019 |
480 |
344 |
5.3 |
-0.01 |
1.33 |
1.34 |
Y |
|
Show |
|
252838 |
14 39 36 -60 50 02 |
LDS 494 AC |
2016 |
4 |
212 |
999.9 |
0.14 |
12.70 |
12.56 |
Y |
<=== |
Show |
|
|
14 29 43 -62 40 46 |
SCZ 1 Ca,Cb |
1996 |
2 |
100 |
0.3 |
11.10 |
18.00 |
6.90 |
|
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Quadruple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Common name |
Rigil Kentaurus |
|
Var name |
V645 Cen |
|
Constellation |
Centaurus |
|
SAO |
252838 |
|
HIP |
71683 |
|
Tycho2 |
9007-05849-1 |
|
Gaia DR2 |
5877748648286736896 |
|
HD |
128620 |
|
HR |
5459 |
|
GC |
19728 |
|
GL |
Gl 559A |
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CP |
CP-60 5483 |
|
Bayer |
Alpha Centauri |
|
Bayer name |
Alp Cen |
|
FK5 |
538 |
|
Distance |
1.32 |
|
Distance ly |
4.31 |
|
Bayer greek |
α Cen |
|
Other names |
Rigil Kent, Rigel Kentaurus, Toliman |
|
Meaning |
foot of the centaur |
|
ORBITAL ELEMENTS
Period (P) | 5470c | ± 530 |
Periastron (T) | 2850c | ± 50 |
Semi-major axis (a) | 188.62M | ± 11.92 |
Eccentricity (e) | 0.5 | ± 0.09 |
Inclination (i) | 107.6° | ± 1.9 |
Longitude of periastron (ω) | 72.3° | ± 7.7 |
Node (Ω) | 126° | ± 5 |
Notes | n | |
Reference | Krv2017 | |
Equinox | 2000 | |
Last observation | | |
Grade | 5 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
85.7 |
41.552 |
2001 |
85.7 |
41.549 |
2002 |
85.7 |
41.547 |
2003 |
85.7 |
41.545 |
2004 |
85.7 |
41.542 |
2005 |
85.7 |
41.540 |
2006 |
85.7 |
41.537 |
2007 |
85.7 |
41.535 |
2008 |
85.7 |
41.532 |
2009 |
85.7 |
41.530 |
2010 |
85.7 |
41.527 |
2011 |
85.7 |
41.525 |
2012 |
85.7 |
41.522 |
2013 |
85.7 |
41.520 |
2014 |
85.7 |
41.517 |
2015 |
85.7 |
41.515 |
2016 |
85.7 |
41.512 |
2017 |
85.7 |
41.510 |
2018 |
85.7 |
41.508 |
2019 |
85.7 |
41.505 |
2020 |
85.7 |
41.503 |
2021 |
85.6 |
41.500 |
2022 |
85.6 |
41.498 |
2023 |
85.6 |
41.495 |
2024 |
85.6 |
41.493 |
2025 |
85.6 |
41.490 |
2026 |
85.6 |
41.488 |
2027 |
85.6 |
41.485 |
2028 |
85.6 |
41.483 |
2029 |
85.6 |
41.480 |
2030 |
85.6 |
41.478 |
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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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