23464-2302 TOK 375 (HD 223078)
23h 46m 26.71s -23° 01' 40.3" P.A. 160.00 sep 0.1 mag 8.93,12.00 Sp K2+V dist. 36.44 pc (118.87 l.y.)
| Coord 2000 |
23464-2302 |
|
Discov num |
TOK 375 |
|
Comp |
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Coord arcsec 2000 |
23 46 26.71 -23 01 40.3 |
|
| Date first |
2012 |
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Date last |
2021 |
|
Obs |
10 |
|
| Pa first |
312 |
|
Pa last |
159.9 |
|
P.A. Now (θ) |
159.9° |
|
| Sep first |
0.2 |
|
Sep last |
0.126 |
|
Sep. Now (ρ) |
0.126" |
|
| Mag pri |
8.93 |
|
Mag sec |
12.00 |
|
delta mag (ΔM) |
3.07 |
|
Spectral class |
K2+V (yellow-orange) |
|
| Pri motion ra |
-152 |
|
Sec motion ra |
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| Pri motion dec |
-041 |
|
Sec motion dec |
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| Notes |
N
O
(See Notes, Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 223078 |
|
Constellation |
Aquarius |
|
SAO |
192141 |
|
HIP |
117247 |
|
| Tycho2 |
6981-00319-1 |
|
Gaia DR2 |
2339457832749353216 |
|
HD |
223078 |
|
CD |
CD-2318034 |
|
| CP |
CP-23 8346 |
|
Distance |
36.44 |
|
Distance ly |
118.87 |
|
ORBITAL ELEMENTS
| Period (P) | 12.5y | ± 1 |
Periastron (T) | 2022.47y | ± 0.78 |
Semi-major axis (a) | 0.1426a | ± 0.0037 |
| Eccentricity (e) | 0.429 | ± 0.044 |
Inclination (i) | 165.4° | ± 5.9 |
Longitude of periastron (ω) | 149.2° | ± 9 |
| Node (Ω) | 232.2° | ± 8 |
Notes | n | |
Reference | Hor2021b | |
| Equinox | | |
Last observation | | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
321.2 |
0.145 |
| 2001 |
300.7 |
0.170 |
| 2002 |
284.9 |
0.189 |
| 2003 |
271.3 |
0.199 |
| 2004 |
258.7 |
0.202 |
| 2005 |
245.9 |
0.197 |
| 2006 |
231.9 |
0.184 |
| 2007 |
214.8 |
0.162 |
| 2008 |
190.9 |
0.131 |
| 2009 |
150.3 |
0.097 |
| 2010 |
79.8 |
0.081 |
| 2011 |
13.7 |
0.100 |
| 2012 |
334.6 |
0.131 |
| 2013 |
310.1 |
0.159 |
| 2014 |
292.4 |
0.180 |
| 2015 |
277.9 |
0.195 |
| 2016 |
264.9 |
0.202 |
| 2017 |
252.4 |
0.201 |
| 2018 |
239.2 |
0.192 |
| 2019 |
223.9 |
0.174 |
| 2020 |
204.1 |
0.147 |
| 2021 |
173.8 |
0.114 |
| 2022 |
118.3 |
0.084 |
| 2023 |
43.1 |
0.088 |
| 2024 |
351.6 |
0.115 |
| 2025 |
321.2 |
0.145 |
| 2026 |
300.7 |
0.170 |
| 2027 |
284.9 |
0.189 |
| 2028 |
271.3 |
0.199 |
| 2029 |
258.7 |
0.202 |
| 2030 |
245.9 |
0.197 |
| 2031 |
231.9 |
0.184 |
| 2032 |
214.8 |
0.162 |
| 2033 |
190.9 |
0.131 |
| 2034 |
150.3 |
0.097 |
| 2035 |
79.8 |
0.081 |
| 2036 |
13.7 |
0.100 |
| 2037 |
334.6 |
0.131 |
| 2038 |
310.1 |
0.159 |
| 2039 |
292.4 |
0.180 |
| 2040 |
277.9 |
0.195 |
| 2041 |
264.9 |
0.202 |
| 2042 |
252.4 |
0.201 |
| 2043 |
239.2 |
0.192 |
| 2044 |
223.9 |
0.174 |
| 2045 |
204.1 |
0.147 |
| 2046 |
173.8 |
0.114 |
| 2047 |
118.3 |
0.084 |
| 2048 |
43.1 |
0.088 |
| 2049 |
351.6 |
0.115 |
| 2050 |
321.2 |
0.145 |
|
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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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