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 |
|
Discov num |
HJ 3423 |
|
Comp |
AB |
|
Coord arcsec 2000 |
01 15 46.16 -68 52 33.3 |
|
| Date first |
1834 |
|
Date last |
2017 |
|
Obs |
78 |
|
| Pa first |
12 |
|
Pa last |
315.1 |
|
P.A. Now (θ) |
315.1° |
|
| Sep first |
2.0 |
|
Sep last |
4.601 |
|
Sep. Now (ρ) |
4.601" |
|
| Mag pri |
4.88 |
|
Mag sec |
7.54 |
|
delta mag (ΔM) |
2.66 |
|
Spectral class |
F6IV+G5V (yellow-white/yellow) |
|
| Pri motion ra |
+409 |
|
Sec motion ra |
+386 |
|
| Pri motion dec |
+107 |
|
Sec motion dec |
+082 |
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
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 |
|
|
| Show |
|
248342 |
01 15 01 -68 49 08 |
I 27 CD |
2021 |
81 |
359 |
1.0 |
7.76 |
8.26 |
0.50 |
Y |
|
Quadruple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
Kap Tuc |
|
Var name |
NSV454 Tuc |
|
Constellation |
Tucana |
|
SAO |
248346 |
|
| HIP |
5896 |
|
Tycho2 |
9136-01759-2 |
|
HD |
7788 |
|
HR |
377 |
|
| GC |
1536 |
|
GL |
Gl 55.3A |
|
CD |
CD-69 52 |
|
CP |
CP-69 45 |
|
| Bayer |
Kappa Tucanae |
|
Bayer name |
Kap Tuc |
|
Distance |
20.96 |
|
Distance ly |
68.37 |
|
| Bayer greek |
κ Tuc |
|
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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