10345-3721 RST 3706 (HD 91673)
10h 34m 31.21s -37° 21' 15.1" P.A. 110.00 sep 0.0 mag 8.86,9.39 Sp F8V dist. 206.61 pc (673.96 l.y.)
| Coord 2000 |
10345-3721 |
|
Discov num |
RST3706 |
|
Comp |
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Coord arcsec 2000 |
10 34 31.21 -37 21 15.1 |
|
| Date first |
1936 |
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Date last |
2021 |
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Obs |
16 |
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| Pa first |
223 |
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Pa last |
110.3 |
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P.A. Now (θ) |
69.1° |
|
| Sep first |
0.2 |
|
Sep last |
0.024 |
|
Sep. Now (ρ) |
0.051" |
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| Mag pri |
8.86 |
|
Mag sec |
9.39 |
|
delta mag (ΔM) |
0.53 |
|
Spectral class |
F8V (yellow-white) |
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| Pri motion ra |
-047 |
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Sec motion ra |
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| Pri motion dec |
+017 |
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Sec motion dec |
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| Notes |
O
(Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 91673 |
|
Constellation |
Antlia |
|
SAO |
201524 |
|
HIP |
51760 |
|
| Tycho2 |
7197-01416-1 |
|
Gaia DR2 |
5442216596216744320 |
|
HD |
91673 |
|
GC |
14537 |
|
| CD |
CD-36 6489 |
|
CP |
CP-36 4425 |
|
Distance |
206.61 |
|
Distance ly |
673.96 |
|
ORBITAL ELEMENTS
| Period (P) | 62.6y | ± 6.34 |
Periastron (T) | 2025.8y | ± 1.77 |
Semi-major axis (a) | 0.1517a | ± 0.0183 |
| Eccentricity (e) | 0.292 | ± 0.092 |
Inclination (i) | 103.9° | ± 2.3 |
Longitude of periastron (ω) | 324.1° | ± 7.3 |
| Node (Ω) | 40.8° | ± 2.1 |
Notes | | |
Reference | Tok2020e | |
| Equinox | | |
Last observation | | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
225.1 |
0.184 |
| 2001 |
224.2 |
0.185 |
| 2002 |
223.4 |
0.186 |
| 2003 |
222.5 |
0.185 |
| 2004 |
221.6 |
0.184 |
| 2005 |
220.7 |
0.181 |
| 2006 |
219.7 |
0.178 |
| 2007 |
218.7 |
0.174 |
| 2008 |
217.7 |
0.168 |
| 2009 |
216.6 |
0.161 |
| 2010 |
215.4 |
0.154 |
| 2011 |
214.0 |
0.145 |
| 2012 |
212.4 |
0.135 |
| 2013 |
210.6 |
0.124 |
| 2014 |
208.4 |
0.111 |
| 2015 |
205.6 |
0.098 |
| 2016 |
202.0 |
0.084 |
| 2017 |
196.7 |
0.069 |
| 2018 |
188.7 |
0.054 |
| 2019 |
174.8 |
0.041 |
| 2020 |
149.5 |
0.030 |
| 2021 |
113.2 |
0.029 |
| 2022 |
84.9 |
0.038 |
| 2023 |
69.1 |
0.051 |
| 2024 |
60.1 |
0.065 |
| 2025 |
54.2 |
0.079 |
| 2026 |
49.9 |
0.091 |
| 2027 |
46.6 |
0.100 |
| 2028 |
43.7 |
0.107 |
| 2029 |
41.2 |
0.112 |
| 2030 |
38.8 |
0.114 |
| 2031 |
36.5 |
0.113 |
| 2032 |
34.0 |
0.110 |
| 2033 |
31.4 |
0.106 |
| 2034 |
28.5 |
0.099 |
| 2035 |
25.2 |
0.092 |
| 2036 |
21.2 |
0.083 |
| 2037 |
16.3 |
0.074 |
| 2038 |
10.0 |
0.065 |
| 2039 |
1.6 |
0.056 |
| 2040 |
350.3 |
0.048 |
| 2041 |
335.4 |
0.043 |
| 2042 |
317.4 |
0.040 |
| 2043 |
298.9 |
0.042 |
| 2044 |
283.1 |
0.047 |
| 2045 |
271.0 |
0.054 |
| 2046 |
262.0 |
0.063 |
| 2047 |
255.4 |
0.073 |
| 2048 |
250.4 |
0.083 |
| 2049 |
246.4 |
0.093 |
| 2050 |
243.3 |
0.103 |
|
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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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