08255-4058 RST 3592 (HD 71383)
08h 25m 32.05s -40° 58' 06.4" P.A. 188.00 sep 0.1 mag 9.30,9.30 Sp A1V
| Coord 2000 |
08255-4058 |
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Discov num |
RST3592 |
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Comp |
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Coord arcsec 2000 |
08 25 32.05 -40 58 06.4 |
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| Date first |
1937 |
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Date last |
2020 |
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Obs |
8 |
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| Pa first |
113 |
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Pa last |
188.1 |
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P.A. Now (θ) |
180.6° |
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| Sep first |
0.2 |
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Sep last |
0.096 |
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Sep. Now (ρ) |
0.108" |
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| Mag pri |
9.30 |
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Mag sec |
9.30 |
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delta mag (ΔM) |
0 |
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Spectral class |
A1V (white) |
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| Pri motion ra |
+024 |
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Sec motion ra |
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| Pri motion dec |
-026 |
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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 71383 |
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Constellation |
Puppis |
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SAO |
219905 |
|
Tycho2 |
7665-01203-1 |
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| Gaia DR2 |
5527691668093188992 |
|
HD |
71383 |
|
ORBITAL ELEMENTS
| Period (P) | 133.8y | ± 19.2 |
Periastron (T) | 2009.42y | ± 0.46 |
Semi-major axis (a) | 0.1442a | ± 0.0179 |
| Eccentricity (e) | 0.512 | ± 0.05 |
Inclination (i) | 140.4° | ± 11.1 |
Longitude of periastron (ω) | 246.2° | ± 1.8 |
| Node (Ω) | 165° | ± 10.8 |
Notes | | |
Reference | Tok2020e | |
| Equinox | | |
Last observation | | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
351.4 |
0.093 |
| 2001 |
346.9 |
0.090 |
| 2002 |
342.1 |
0.086 |
| 2003 |
336.9 |
0.082 |
| 2004 |
331.1 |
0.078 |
| 2005 |
324.6 |
0.074 |
| 2006 |
317.4 |
0.069 |
| 2007 |
309.2 |
0.065 |
| 2008 |
299.9 |
0.061 |
| 2009 |
289.5 |
0.058 |
| 2010 |
278.1 |
0.056 |
| 2011 |
266.1 |
0.055 |
| 2012 |
254.1 |
0.056 |
| 2013 |
242.6 |
0.058 |
| 2014 |
232.1 |
0.061 |
| 2015 |
222.9 |
0.065 |
| 2016 |
214.8 |
0.070 |
| 2017 |
207.8 |
0.076 |
| 2018 |
201.8 |
0.081 |
| 2019 |
196.5 |
0.086 |
| 2020 |
191.8 |
0.092 |
| 2021 |
187.7 |
0.097 |
| 2022 |
184.0 |
0.103 |
| 2023 |
180.6 |
0.108 |
| 2024 |
177.6 |
0.112 |
| 2025 |
174.7 |
0.117 |
| 2026 |
172.1 |
0.121 |
| 2027 |
169.7 |
0.126 |
| 2028 |
167.4 |
0.130 |
| 2029 |
165.3 |
0.134 |
| 2030 |
163.3 |
0.137 |
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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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