23474-7118 FIN 375 Aa,Ab
23h 47m 23.22s -71° 18' 24.4" P.A. 284.00 sep 0.1 mag 7.54,8.82 Sp K0III dist. 192.68 pc (628.52 l.y.)
| Coord 2000 |
23474-7118 |
|
Discov num |
FIN 375 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
23 47 23.22 -71 18 24.4 |
|
| Date first |
1960 |
|
Date last |
2021 |
|
Obs |
12 |
|
| Pa first |
131 |
|
Pa last |
283.8 |
|
P.A. Now (θ) |
283.8° |
|
| Sep first |
0.1 |
|
Sep last |
0.124 |
|
Sep. Now (ρ) |
0.128" |
|
| Mag pri |
7.54 |
|
Mag sec |
8.82 |
|
delta mag (ΔM) |
1.28 |
|
Spectral class |
K0III (yellow-orange) |
|
| Pri motion ra |
+062 |
|
Sec motion ra |
|
|
| Pri motion dec |
-053 |
|
Sec motion dec |
|
|
| Notes |
O
(Orbital solution) |
|
This double is physical.
23474-7118 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
258186 |
23 47 23 -71 18 24 |
FIN 375 Aa,Ab |
2021 |
12 |
284 |
0.1 |
7.54 |
8.82 |
1.28 |
Y |
<=== |
| Show |
|
258186 |
23 47 23 -71 18 24 |
I 695 AB |
2015 |
4 |
20 |
8.9 |
7.22 |
13.50 |
6.28 |
|
|
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Tucana |
|
SAO |
258186 |
|
HIP |
117326 |
|
Tycho2 |
9342-01935-1 |
|
| Gaia DR2 |
6386232437731930880 |
|
HD |
223134 |
|
CP |
CP-72 2783 |
|
Distance |
192.68 |
|
| Distance ly |
628.52 |
|
ORBITAL ELEMENTS
| Period (P) | 82y | |
Periastron (T) | 2037y | |
Semi-major axis (a) | 0.18a | |
| Eccentricity (e) | 0.515 | |
Inclination (i) | 60.3° | |
Longitude of periastron (ω) | 246.9° | |
| Node (Ω) | 139° | |
Notes | | |
Reference | Tok2014a | |
| Equinox | 2000 | |
Last observation | 2013 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
198.1 |
0.150 |
| 2001 |
200.9 |
0.146 |
| 2002 |
203.7 |
0.143 |
| 2003 |
206.8 |
0.140 |
| 2004 |
209.9 |
0.137 |
| 2005 |
213.2 |
0.134 |
| 2006 |
216.6 |
0.131 |
| 2007 |
220.2 |
0.129 |
| 2008 |
223.9 |
0.127 |
| 2009 |
227.7 |
0.125 |
| 2010 |
231.6 |
0.124 |
| 2011 |
235.6 |
0.122 |
| 2012 |
239.7 |
0.121 |
| 2013 |
243.8 |
0.121 |
| 2014 |
247.9 |
0.120 |
| 2015 |
252.1 |
0.121 |
| 2016 |
256.2 |
0.121 |
| 2017 |
260.4 |
0.121 |
| 2018 |
264.4 |
0.122 |
| 2019 |
268.4 |
0.123 |
| 2020 |
272.4 |
0.124 |
| 2021 |
276.3 |
0.126 |
| 2022 |
280.1 |
0.127 |
| 2023 |
283.8 |
0.128 |
| 2024 |
287.5 |
0.129 |
| 2025 |
291.1 |
0.129 |
| 2026 |
294.7 |
0.129 |
| 2027 |
298.4 |
0.129 |
| 2028 |
302.0 |
0.127 |
| 2029 |
305.8 |
0.125 |
| 2030 |
309.8 |
0.122 |
|
|
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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