05301-3228 B 1946 (HD 36399)
05h 30m 03.31s -32° 27' 49.6" P.A. 102.00 sep 0.0 mag 9.20,9.40 Sp A9V
| Coord 2000 |
05301-3228 |
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Discov num |
B 1946 |
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Comp |
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Coord arcsec 2000 |
05 30 03.31 -32 27 49.6 |
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| Date first |
1931 |
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Date last |
2021 |
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Obs |
13 |
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| Pa first |
184 |
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Pa last |
102.2 |
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P.A. Now (θ) |
230.8° |
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| Sep first |
0.2 |
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Sep last |
0.031 |
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Sep. Now (ρ) |
0.02" |
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| Mag pri |
9.20 |
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Mag sec |
9.40 |
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delta mag (ΔM) |
0.2 |
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Spectral class |
A9V (white) |
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| Pri motion ra |
+008 |
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Sec motion ra |
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| Pri motion dec |
+003 |
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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 36399 |
|
Constellation |
Columba |
|
SAO |
195909 |
|
Tycho2 |
7059-00688-1 |
|
| Gaia DR2 |
2901842564179123584 |
|
HD |
36399 |
|
ORBITAL ELEMENTS
| Period (P) | 64.4y | ± 7 |
Periastron (T) | 2022.54y | ± 1.2 |
Semi-major axis (a) | 0.116a | ± 0.034 |
| Eccentricity (e) | 0.84 | ± 0.14 |
Inclination (i) | 24.2° | ± 40.8 |
Longitude of periastron (ω) | 43.9° | ± 146.8 |
| Node (Ω) | 138.1° | ± 136.3 |
Notes | n | |
Reference | Tok2021c | |
| Equinox | 2000 | |
Last observation | 2021 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
8.5 |
0.189 |
| 2001 |
9.5 |
0.186 |
| 2002 |
10.6 |
0.183 |
| 2003 |
11.7 |
0.179 |
| 2004 |
12.9 |
0.175 |
| 2005 |
14.2 |
0.171 |
| 2006 |
15.5 |
0.167 |
| 2007 |
16.9 |
0.162 |
| 2008 |
18.3 |
0.156 |
| 2009 |
19.9 |
0.151 |
| 2010 |
21.6 |
0.144 |
| 2011 |
23.5 |
0.138 |
| 2012 |
25.5 |
0.131 |
| 2013 |
27.8 |
0.123 |
| 2014 |
30.5 |
0.115 |
| 2015 |
33.5 |
0.107 |
| 2016 |
37.0 |
0.098 |
| 2017 |
41.4 |
0.088 |
| 2018 |
46.9 |
0.077 |
| 2019 |
54.4 |
0.065 |
| 2020 |
65.5 |
0.052 |
| 2021 |
84.5 |
0.038 |
| 2022 |
128.0 |
0.023 |
| 2023 |
230.8 |
0.020 |
| 2024 |
282.4 |
0.037 |
| 2025 |
300.5 |
0.055 |
| 2026 |
310.2 |
0.070 |
| 2027 |
316.6 |
0.083 |
| 2028 |
321.3 |
0.095 |
| 2029 |
325.1 |
0.106 |
| 2030 |
328.1 |
0.115 |
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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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