10161-2837 TOK 199 (HD 89090)
10h 16m 04.07s -28° 36' 50.2" P.A. 229.00 sep 0.0 mag 7.70,8.20 Sp G1V dist. 55.56 pc (181.24 l.y.)
Coord 2000 |
10161-2837 |
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Discov num |
TOK 199 |
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Comp |
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Coord arcsec 2000 |
10 16 04.07 -28 36 50.2 |
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Date first |
2011 |
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Date last |
2021 |
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Obs |
22 |
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Pa first |
249 |
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Pa last |
228.5 |
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P.A. Now (θ) |
228.5° |
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Sep first |
0.0 |
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Sep last |
0.032 |
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Sep. Now (ρ) |
0.032" |
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Mag pri |
7.70 |
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Mag sec |
8.20 |
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delta mag (ΔM) |
0.5 |
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Spectral class |
G1V (yellow) |
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Pri motion ra |
-224 |
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Sec motion ra |
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Pri motion dec |
+060 |
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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.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 89090 |
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Constellation |
Antlia |
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SAO |
178597 |
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HIP |
50288 |
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Tycho2 |
6630-00988-1 |
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Gaia DR2 |
5462643632473673344 |
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HD |
89090 |
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GC |
14097 |
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CD |
CD-27 7328 |
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CP |
CP-27 4117 |
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Distance |
55.56 |
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Distance ly |
181.24 |
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ORBITAL ELEMENTS
Period (P) | 2.528y | |
Periastron (T) | 2014.907y | |
Semi-major axis (a) | 0.044a | |
Eccentricity (e) | 0.309 | |
Inclination (i) | 115.5° | |
Longitude of periastron (ω) | 58.6° | |
Node (Ω) | 95.7° | |
Notes | | |
Reference | Tok2020g | |
Equinox | 2000 | |
Last observation | 2019 | |
Grade | 2 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
307.2 |
0.024 |
2001 |
240.8 |
0.037 |
2002 |
99.6 |
0.035 |
2003 |
270.1 |
0.050 |
2004 |
167.2 |
0.023 |
2005 |
321.5 |
0.019 |
2006 |
245.1 |
0.039 |
2007 |
104.7 |
0.036 |
2008 |
272.7 |
0.049 |
2009 |
178.9 |
0.023 |
2010 |
345.1 |
0.015 |
2011 |
249.0 |
0.042 |
2012 |
109.7 |
0.035 |
2013 |
275.4 |
0.048 |
2014 |
190.6 |
0.024 |
2015 |
18.2 |
0.014 |
2016 |
252.4 |
0.044 |
2017 |
114.9 |
0.034 |
2018 |
278.3 |
0.046 |
2019 |
201.6 |
0.025 |
2020 |
47.3 |
0.016 |
2021 |
255.6 |
0.046 |
2022 |
120.6 |
0.033 |
2023 |
281.5 |
0.043 |
2024 |
211.4 |
0.026 |
2025 |
65.8 |
0.021 |
2026 |
258.5 |
0.047 |
2027 |
126.9 |
0.031 |
2028 |
285.1 |
0.040 |
2029 |
219.9 |
0.028 |
2030 |
77.4 |
0.026 |
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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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