01158-6853 HJ 3423 AB (Kap Tuc)
01h 15m 46.16s -68° 52' 33.3" P.A. 315.00 sep 4.6 mag 4.88,7.54 Sp F6IV+G5V dist. 20.96 pc (68.37 l.y.)
Coord 2000 |
01158-6853 |
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Discov num |
HJ 3423 |
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Comp |
AB |
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Coord arcsec 2000 |
01 15 46.16 -68 52 33.3 |
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Date first |
1834 |
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Date last |
2017 |
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Obs |
78 |
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Pa first |
12 |
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Pa last |
315.1 |
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P.A. Now (θ) |
315.1° |
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Sep first |
2.0 |
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Sep last |
4.601 |
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Sep. Now (ρ) |
4.601" |
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Mag pri |
4.88 |
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Mag sec |
7.54 |
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delta mag (ΔM) |
2.66 |
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Spectral class |
F6IV+G5V (yellow-white/yellow) |
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Pri motion ra |
+409 |
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Sec motion ra |
+386 |
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Pri motion dec |
+107 |
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Sec motion dec |
+082 |
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Notes |
N
O
(See Notes, Orbital solution) |
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rPM=0.08 (< 0.3, Physical double)
This double is physical.
01158-6853 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
Kap Tuc |
248346 |
01 15 46 -68 52 33 |
HJ 3423 AB |
2017 |
78 |
315 |
4.6 |
4.88 |
7.54 |
2.66 |
Y |
<=== |
Show |
|
248346 |
01 15 46 -68 52 33 |
HJ 3423 A,CD |
2010 |
10 |
310 |
319.2 |
4.88 |
7.23 |
2.35 |
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Show |
|
248342 |
01 15 01 -68 49 08 |
I 27 CD |
2021 |
81 |
359 |
1.0 |
7.76 |
8.26 |
0.50 |
Y |
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Quadruple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Name |
Kap Tuc |
|
Var name |
NSV454 Tuc |
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Constellation |
Tucana |
|
SAO |
248346 |
|
HIP |
5896 |
|
Tycho2 |
9136-01759-2 |
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HD |
7788 |
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HR |
377 |
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GC |
1536 |
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GL |
Gl 55.3A |
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CD |
CD-69 52 |
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CP |
CP-69 45 |
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Bayer |
Kappa Tucanae |
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Bayer name |
Kap Tuc |
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Distance |
20.96 |
|
Distance ly |
68.37 |
|
Bayer greek |
κ Tuc |
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ORBITAL ELEMENTS
Period (P) | 1200y | |
Periastron (T) | 2086.7y | ± 4.1 |
Semi-major axis (a) | 7.03a | ± 0.07 |
Eccentricity (e) | 0.4 | |
Inclination (i) | 128.5° | ± 1.1 |
Longitude of periastron (ω) | 61.3° | ± 1.6 |
Node (Ω) | 323.1° | ± 0.5 |
Notes | n | |
Reference | Tok2020d | |
Equinox | | |
Last observation | | |
Grade | 5 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
322.0 |
4.908 |
2001 |
321.7 |
4.894 |
2002 |
321.3 |
4.879 |
2003 |
320.9 |
4.863 |
2004 |
320.6 |
4.848 |
2005 |
320.2 |
4.832 |
2006 |
319.9 |
4.816 |
2007 |
319.5 |
4.800 |
2008 |
319.1 |
4.784 |
2009 |
318.8 |
4.767 |
2010 |
318.4 |
4.750 |
2011 |
318.0 |
4.733 |
2012 |
317.6 |
4.716 |
2013 |
317.2 |
4.699 |
2014 |
316.9 |
4.681 |
2015 |
316.5 |
4.663 |
2016 |
316.1 |
4.645 |
2017 |
315.7 |
4.627 |
2018 |
315.3 |
4.609 |
2019 |
314.9 |
4.590 |
2020 |
314.5 |
4.571 |
2021 |
314.1 |
4.552 |
2022 |
313.7 |
4.533 |
2023 |
313.3 |
4.513 |
2024 |
312.8 |
4.494 |
2025 |
312.4 |
4.474 |
2026 |
312.0 |
4.454 |
2027 |
311.6 |
4.434 |
2028 |
311.1 |
4.413 |
2029 |
310.7 |
4.392 |
2030 |
310.3 |
4.372 |
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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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