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 |
|
Discov num |
HDS1332 |
|
Comp |
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Coord arcsec 2000 |
09 11 48.77 -42 17 42.6 |
|
| Date first |
1991 |
|
Date last |
2019 |
|
Obs |
6 |
|
| Pa first |
33 |
|
Pa last |
207.4 |
|
P.A. Now (θ) |
207.4° |
|
| Sep first |
0.3 |
|
Sep last |
0.188 |
|
Sep. Now (ρ) |
0.188" |
|
| Mag pri |
11.21 |
|
Mag sec |
11.54 |
|
delta mag (ΔM) |
0.33 |
|
Spectral class |
K5V (yellow-orange) |
|
| Pri motion ra |
-218 |
|
Sec motion ra |
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|
| Pri motion dec |
+186 |
|
Sec motion dec |
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| Notes |
O
(Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Vela |
|
HIP |
45139 |
|
Tycho2 |
7686-03062-1 |
|
Gaia DR2 |
5427375590128838656 |
|
| CD |
CD-41 4886 |
|
CP |
CP-41 3427 |
|
Distance |
80.06 |
|
Distance ly |
261.16 |
|
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 |
| 2031 |
171.7 |
0.252 |
| 2032 |
169.2 |
0.253 |
| 2033 |
166.8 |
0.253 |
| 2034 |
164.3 |
0.254 |
| 2035 |
161.8 |
0.254 |
| 2036 |
159.4 |
0.254 |
| 2037 |
156.9 |
0.254 |
| 2038 |
154.5 |
0.254 |
| 2039 |
152.0 |
0.254 |
| 2040 |
149.5 |
0.254 |
| 2041 |
147.1 |
0.254 |
| 2042 |
144.6 |
0.254 |
| 2043 |
142.2 |
0.254 |
| 2044 |
139.7 |
0.254 |
| 2045 |
137.3 |
0.255 |
| 2046 |
134.8 |
0.255 |
| 2047 |
132.4 |
0.255 |
| 2048 |
130.0 |
0.256 |
| 2049 |
127.6 |
0.257 |
| 2050 |
125.2 |
0.258 |
|
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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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