09150-3736 HDS 1337 (HD 79807)
09h 14m 57.17s -37° 36' 08.5" P.A. 187.00 sep 0.1 mag 6.25,7.78 Sp K0/K1III dist. 196.85 pc (642.12 l.y.)
| Coord 2000 |
09150-3736 |
|
Discov num |
HDS1337 |
|
Comp |
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Coord arcsec 2000 |
09 14 57.17 -37 36 08.5 |
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| Date first |
1991 |
|
Date last |
2020 |
|
Obs |
7 |
|
| Pa first |
164 |
|
Pa last |
186.9 |
|
P.A. Now (θ) |
181.8° |
|
| Sep first |
0.1 |
|
Sep last |
0.087 |
|
Sep. Now (ρ) |
0.11" |
|
| Mag pri |
6.25 |
|
Mag sec |
7.78 |
|
delta mag (ΔM) |
1.53 |
|
Spectral class |
K0/K1III (yellow-orange) |
|
| Pri motion ra |
+004 |
|
Sec motion ra |
|
|
| Pri motion dec |
-012 |
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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 79807 |
|
Constellation |
Vela |
|
SAO |
200152 |
|
HIP |
45386 |
|
| Tycho2 |
7678-04340-1 |
|
Gaia DR2 |
5622894737807583104 |
|
HD |
79807 |
|
HR |
3677 |
|
| GC |
12773 |
|
CD |
CD-37 5578 |
|
CP |
CP-37 3259 |
|
Distance |
196.85 |
|
| Distance ly |
642.12 |
|
ORBITAL ELEMENTS
| Period (P) | 43.7y | |
Periastron (T) | 2013.76y | |
Semi-major axis (a) | 0.108a | |
| Eccentricity (e) | 0.426 | |
Inclination (i) | 107.8° | |
Longitude of periastron (ω) | 216.3° | |
| Node (Ω) | 175.6° | |
Notes | | |
Reference | Tok2021f | |
| Equinox | | |
Last observation | 2020 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
138.3 |
0.065 |
| 2001 |
131.0 |
0.056 |
| 2002 |
120.9 |
0.048 |
| 2003 |
107.1 |
0.041 |
| 2004 |
89.0 |
0.036 |
| 2005 |
68.4 |
0.036 |
| 2006 |
49.4 |
0.039 |
| 2007 |
34.5 |
0.045 |
| 2008 |
23.3 |
0.053 |
| 2009 |
14.9 |
0.060 |
| 2010 |
8.0 |
0.065 |
| 2011 |
2.0 |
0.068 |
| 2012 |
356.1 |
0.066 |
| 2013 |
349.5 |
0.060 |
| 2014 |
340.4 |
0.048 |
| 2015 |
323.8 |
0.033 |
| 2016 |
285.8 |
0.022 |
| 2017 |
234.1 |
0.026 |
| 2018 |
208.9 |
0.041 |
| 2019 |
197.7 |
0.058 |
| 2020 |
191.5 |
0.073 |
| 2021 |
187.3 |
0.087 |
| 2022 |
184.2 |
0.099 |
| 2023 |
181.8 |
0.110 |
| 2024 |
179.8 |
0.119 |
| 2025 |
178.0 |
0.126 |
| 2026 |
176.4 |
0.132 |
| 2027 |
175.0 |
0.136 |
| 2028 |
173.6 |
0.139 |
| 2029 |
172.2 |
0.141 |
| 2030 |
170.9 |
0.142 |
|
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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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