06573-3530 I 65 (HD 51825)
06h 57m 17.61s -35° 30' 25.9" P.A. 229.00 sep 0.2 mag 6.90,7.31 Sp F8IV-V dist. 43.1 pc (140.59 l.y.)
Coord 2000 |
06573-3530 |
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Discov num |
I 65 |
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Comp |
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Coord arcsec 2000 |
06 57 17.61 -35 30 25.9 |
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Date first |
1897 |
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Date last |
2021 |
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Obs |
97 |
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Pa first |
155 |
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Pa last |
229.1 |
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P.A. Now (θ) |
259.5° |
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Sep first |
0.6 |
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Sep last |
0.209 |
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Sep. Now (ρ) |
0.187" |
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Mag pri |
6.90 |
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Mag sec |
7.31 |
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delta mag (ΔM) |
0.41 |
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Spectral class |
F8IV-V (yellow-white) |
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Pri motion ra |
-041 |
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Sec motion ra |
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Pri motion dec |
+025 |
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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 51825 |
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Constellation |
Puppis |
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SAO |
197402 |
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HIP |
33451 |
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Tycho2 |
7097-02518-1 |
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HD |
51825 |
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HR |
2612 |
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GC |
9146 |
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GL |
Gl 255A |
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CD |
CD-35 3233 |
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CP |
CP-35 1065 |
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Distance |
43.1 |
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Distance ly |
140.59 |
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ORBITAL ELEMENTS
Period (P) | 16.77y | ± 0.2 |
Periastron (T) | 2009.2y | ± 0.05 |
Semi-major axis (a) | 0.207a | ± 0.001 |
Eccentricity (e) | 0.444 | ± 0.001 |
Inclination (i) | 33.8° | ± 0.5 |
Longitude of periastron (ω) | 246.9° | ± 1 |
Node (Ω) | 122.9° | ± 0.5 |
Notes | n | |
Reference | Doc2009g | |
Equinox | 2000 | |
Last observation | 2006 | |
Grade | 1 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
177.4 |
0.261 |
2001 |
187.7 |
0.256 |
2002 |
198.5 |
0.247 |
2003 |
210.2 |
0.236 |
2004 |
223.2 |
0.223 |
2005 |
237.9 |
0.208 |
2006 |
255.1 |
0.191 |
2007 |
276.0 |
0.170 |
2008 |
304.5 |
0.140 |
2009 |
352.3 |
0.103 |
2010 |
60.4 |
0.109 |
2011 |
100.6 |
0.157 |
2012 |
122.2 |
0.200 |
2013 |
137.0 |
0.229 |
2014 |
148.9 |
0.248 |
2015 |
159.6 |
0.258 |
2016 |
169.7 |
0.262 |
2017 |
179.7 |
0.260 |
2018 |
190.1 |
0.254 |
2019 |
201.1 |
0.245 |
2020 |
213.1 |
0.233 |
2021 |
226.4 |
0.220 |
2022 |
241.6 |
0.205 |
2023 |
259.5 |
0.187 |
2024 |
281.7 |
0.164 |
2025 |
313.0 |
0.131 |
2026 |
7.8 |
0.098 |
2027 |
72.5 |
0.119 |
2028 |
106.6 |
0.168 |
2029 |
126.0 |
0.208 |
2030 |
139.9 |
0.235 |
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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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