09118-4218 HDS 1332
09h 11m 48.77s -42° 17' 42.6" P.A. 207.00 sep 0.2 mag 11.21,11.54 Sp K5V dist. 80.06 pc (261.16 l.y.)
Coord 2000 |
09118-4218 |
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Discov num |
HDS1332 |
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Comp |
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Coord arcsec 2000 |
09 11 48.77 -42 17 42.6 |
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Date first |
1991 |
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Date last |
2019 |
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Obs |
6 |
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Pa first |
33 |
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Pa last |
207.4 |
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P.A. Now (θ) |
207.4° |
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Sep first |
0.3 |
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Sep last |
0.188 |
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Sep. Now (ρ) |
0.188" |
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Mag pri |
11.21 |
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Mag sec |
11.54 |
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delta mag (ΔM) |
0.33 |
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Spectral class |
K5V (yellow-orange) |
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Pri motion ra |
-218 |
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Sec motion ra |
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Pri motion dec |
+186 |
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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
Constellation |
Vela |
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HIP |
45139 |
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Tycho2 |
7686-03062-1 |
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Gaia DR2 |
5427375590128838656 |
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CD |
CD-41 4886 |
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CP |
CP-41 3427 |
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Distance |
80.06 |
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Distance ly |
261.16 |
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ORBITAL ELEMENTS
Period (P) | 113.447y | |
Periastron (T) | 2012.227y | |
Semi-major axis (a) | 0.313a | |
Eccentricity (e) | 0.5 | |
Inclination (i) | 126.1° | |
Longitude of periastron (ω) | 107.1° | |
Node (Ω) | 22.7° | |
Notes | n | |
Reference | Tok2018e | |
Equinox | 2000 | |
Last observation | 2018 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
15.7 |
0.243 |
2001 |
12.8 |
0.230 |
2002 |
9.6 |
0.216 |
2003 |
6.0 |
0.201 |
2004 |
1.8 |
0.185 |
2005 |
356.7 |
0.169 |
2006 |
350.5 |
0.152 |
2007 |
342.7 |
0.135 |
2008 |
332.8 |
0.119 |
2009 |
320.1 |
0.105 |
2010 |
304.3 |
0.096 |
2011 |
286.4 |
0.093 |
2012 |
268.8 |
0.098 |
2013 |
253.6 |
0.108 |
2014 |
241.4 |
0.121 |
2015 |
231.8 |
0.136 |
2016 |
224.1 |
0.151 |
2017 |
217.8 |
0.166 |
2018 |
212.4 |
0.179 |
2019 |
207.8 |
0.191 |
2020 |
203.7 |
0.202 |
2021 |
200.0 |
0.211 |
2022 |
196.6 |
0.219 |
2023 |
193.4 |
0.226 |
2024 |
190.4 |
0.232 |
2025 |
187.5 |
0.237 |
2026 |
184.7 |
0.241 |
2027 |
182.0 |
0.244 |
2028 |
179.4 |
0.247 |
2029 |
176.8 |
0.249 |
2030 |
174.2 |
0.250 |
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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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