05239-0052 WNC 2 A,BC (HD 35317)
05h 23m 51.32s -00° 51' 59.8" P.A. 159.00 sep 3.1 mag 6.87,6.96 Sp F6V+F5V dist. 55.71 pc (181.73 l.y.)
| Coord 2000 |
05239-0052 |
|
Discov num |
WNC 2 |
|
Comp |
A,BC |
|
Coord arcsec 2000 |
05 23 51.32 -00 51 59.8 |
|
| Date first |
1863 |
|
Date last |
2020 |
|
Obs |
124 |
|
| Pa first |
174 |
|
Pa last |
158.6 |
|
P.A. Now (θ) |
158.6° |
|
| Sep first |
1.6 |
|
Sep last |
3.12 |
|
Sep. Now (ρ) |
3.12" |
|
| Mag pri |
6.87 |
|
Mag sec |
6.96 |
|
delta mag (ΔM) |
0.09 |
|
Spectral class |
F6V+F5V (yellow-white/yellow-white) |
|
| Pri motion ra |
-005 |
|
Sec motion ra |
-005 |
|
| Pri motion dec |
-009 |
|
Sec motion dec |
-009 |
|
| Notes |
N
O
V
(See Notes, Orbital solution, Proper motion indicates physical) |
|
This double is physical.
05239-0052 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 35317 |
132060 |
05 23 51 -00 51 60 |
WNC 2 A,BC |
2020 |
124 |
159 |
3.1 |
6.87 |
6.96 |
0.09 |
Y |
<=== |
| Show |
|
112715 |
05 23 51 -00 51 60 |
A 847 BC |
2021 |
63 |
325 |
0.2 |
7.60 |
7.80 |
0.20 |
Y |
|
Triple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 35317 |
|
Constellation |
Orion |
|
SAO |
132060 |
|
HIP |
25240 |
|
| Tycho2 |
4753-01892-2 |
|
HD |
35317 |
|
HR |
1782 |
|
ADS |
3991 |
|
| BD |
BD-01 882 |
|
Distance |
55.71 |
|
Distance ly |
181.73 |
|
ORBITAL ELEMENTS
| Period (P) | 923y | |
Periastron (T) | 2586y | |
Semi-major axis (a) | 2.89a | |
| Eccentricity (e) | 0.72 | |
Inclination (i) | 102.5° | |
Longitude of periastron (ω) | 139.1° | |
| Node (Ω) | 143.4° | |
Notes | n | |
Reference | FMR2013a | |
| Equinox | 2000 | |
Last observation | 2008 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
159.3 |
2.970 |
| 2001 |
159.2 |
2.979 |
| 2002 |
159.1 |
2.988 |
| 2003 |
159.1 |
2.996 |
| 2004 |
159.0 |
3.005 |
| 2005 |
159.0 |
3.013 |
| 2006 |
158.9 |
3.022 |
| 2007 |
158.9 |
3.031 |
| 2008 |
158.8 |
3.039 |
| 2009 |
158.8 |
3.048 |
| 2010 |
158.7 |
3.056 |
| 2011 |
158.7 |
3.064 |
| 2012 |
158.6 |
3.073 |
| 2013 |
158.6 |
3.081 |
| 2014 |
158.5 |
3.090 |
| 2015 |
158.5 |
3.098 |
| 2016 |
158.4 |
3.106 |
| 2017 |
158.4 |
3.114 |
| 2018 |
158.3 |
3.123 |
| 2019 |
158.3 |
3.131 |
| 2020 |
158.2 |
3.139 |
| 2021 |
158.2 |
3.147 |
| 2022 |
158.1 |
3.155 |
| 2023 |
158.1 |
3.163 |
| 2024 |
158.0 |
3.171 |
| 2025 |
158.0 |
3.179 |
| 2026 |
157.9 |
3.187 |
| 2027 |
157.9 |
3.195 |
| 2028 |
157.8 |
3.203 |
| 2029 |
157.8 |
3.211 |
| 2030 |
157.7 |
3.219 |
|
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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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