22259-7501 TOK 434 Ba,Bb
22h 25m 56.40s -75° 00' 52.8" P.A. 56.00 sep 0.3 mag 9.10,11.00
Coord 2000 |
22259-7501 |
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Discov num |
TOK 434 |
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Comp |
Ba,Bb |
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Coord arcsec 2000 |
22 25 56.40 -75 00 52.8 |
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Date first |
2014 |
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Date last |
2021 |
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Obs |
8 |
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Pa first |
238 |
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Pa last |
55.5 |
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P.A. Now (θ) |
55.5° |
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Sep first |
0.2 |
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Sep last |
0.349 |
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Sep. Now (ρ) |
0.349" |
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Mag pri |
9.10 |
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Mag sec |
11.00 |
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delta mag (ΔM) |
1.9 |
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Spectral class |
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Pri motion ra |
+069 |
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Sec motion ra |
|
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Pri motion dec |
+014 |
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Sec motion dec |
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Notes |
N
O
(See Notes, Orbital solution) |
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This double is physical.
22259-7501 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 212168 |
258036 |
22 25 51 -75 00 56 |
DUN 238 AB |
2015 |
23 |
78 |
21.5 |
6.19 |
8.85 |
2.66 |
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Show |
|
258036 |
22 25 51 -75 00 56 |
KO 5 AC |
2016 |
8 |
129 |
264.8 |
6.19 |
13.00 |
6.81 |
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Show |
|
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22 25 56 -75 00 53 |
TOK 434 Ba,Bb |
2021 |
8 |
56 |
0.3 |
9.10 |
11.00 |
1.90 |
Y |
<=== |
Quadruple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Octans |
|
Gaia DR2 |
6357835488360338560 |
|
ORBITAL ELEMENTS
Period (P) | 11y | |
Periastron (T) | 2022.21y | |
Semi-major axis (a) | 0.254a | |
Eccentricity (e) | 0.25 | |
Inclination (i) | 87.3° | |
Longitude of periastron (ω) | 270° | |
Node (Ω) | 235° | |
Notes | n | |
Reference | Tok2019c | |
Equinox | | |
Last observation | 2018 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
67.7 |
0.040 |
2001 |
232.1 |
0.137 |
2002 |
234.8 |
0.234 |
2003 |
236.5 |
0.237 |
2004 |
238.7 |
0.176 |
2005 |
245.3 |
0.080 |
2006 |
30.5 |
0.036 |
2007 |
49.7 |
0.139 |
2008 |
52.7 |
0.218 |
2009 |
54.5 |
0.246 |
2010 |
56.4 |
0.190 |
2011 |
67.7 |
0.040 |
2012 |
232.1 |
0.137 |
2013 |
234.8 |
0.234 |
2014 |
236.5 |
0.237 |
2015 |
238.7 |
0.176 |
2016 |
245.3 |
0.080 |
2017 |
30.5 |
0.036 |
2018 |
49.7 |
0.139 |
2019 |
52.7 |
0.218 |
2020 |
54.5 |
0.246 |
2021 |
56.4 |
0.190 |
2022 |
67.7 |
0.040 |
2023 |
232.1 |
0.137 |
2024 |
234.8 |
0.234 |
2025 |
236.5 |
0.237 |
2026 |
238.7 |
0.176 |
2027 |
245.3 |
0.080 |
2028 |
30.5 |
0.036 |
2029 |
49.7 |
0.139 |
2030 |
52.7 |
0.218 |
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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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