05429-0648 A 494 AB
05h 42m 53.91s -06° 47' 46.7" P.A. 85.00 sep 0.1 mag 6.51,7.24 Sp F3V dist. 49.95 pc (162.94 l.y.)
| Coord 2000 |
05429-0648 |
|
Discov num |
A 494 |
|
Comp |
AB |
|
Coord arcsec 2000 |
05 42 53.91 -06 47 46.7 |
|
| Date first |
1903 |
|
Date last |
2020 |
|
Obs |
81 |
|
| Pa first |
121 |
|
Pa last |
85.4 |
|
P.A. Now (θ) |
104.4° |
|
| Sep first |
0.1 |
|
Sep last |
0.126 |
|
Sep. Now (ρ) |
0.189" |
|
| Mag pri |
6.51 |
|
Mag sec |
7.24 |
|
delta mag (ΔM) |
0.73 |
|
Spectral class |
F3V (yellow-white) |
|
| Pri motion ra |
-001 |
|
Sec motion ra |
|
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| Pri motion dec |
+057 |
|
Sec motion dec |
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| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
05429-0648 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
132477 |
05 42 54 -06 47 47 |
A 494 AB |
2020 |
81 |
85 |
0.1 |
6.51 |
7.24 |
0.73 |
Y |
<=== |
| Show |
HD 38089 |
132477 |
05 42 54 -06 47 47 |
A 494 AB,C |
2003 |
9 |
231 |
101.7 |
6.01 |
10.36 |
4.35 |
|
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| Show |
|
|
05 42 49 -06 48 51 |
A 494 CD |
2016 |
4 |
203 |
1.3 |
10.36 |
13.90 |
3.54 |
|
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Quadruple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Orion |
|
SAO |
132477 |
|
HIP |
26926 |
|
Tycho2 |
4779-00698-1 |
|
| Gaia DR2 |
3016172982988647040 |
|
HD |
38089 |
|
HR |
1967 |
|
GC |
7151 |
|
| ADS |
4299 |
|
BD |
BD-06 1293 |
|
Distance |
49.95 |
|
Distance ly |
162.94 |
|
ORBITAL ELEMENTS
| Period (P) | 20.13y | ± 0.02 |
Periastron (T) | 1959.03y | ± 0.06 |
Semi-major axis (a) | 0.208a | ± 0.001 |
| Eccentricity (e) | 0.392 | ± 0.003 |
Inclination (i) | 71.7° | ± 0.3 |
Longitude of periastron (ω) | 273.2° | ± 1.4 |
| Node (Ω) | 96.8° | ± 0.4 |
Notes | n | |
Reference | Msn2009 | |
| Equinox | 2000 | |
Last observation | 2006 | |
Grade | 2 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
71.8 |
0.081 |
| 2001 |
90.2 |
0.144 |
| 2002 |
98.7 |
0.179 |
| 2003 |
105.2 |
0.189 |
| 2004 |
111.6 |
0.182 |
| 2005 |
119.0 |
0.165 |
| 2006 |
128.5 |
0.142 |
| 2007 |
142.0 |
0.118 |
| 2008 |
161.6 |
0.098 |
| 2009 |
187.4 |
0.091 |
| 2010 |
212.7 |
0.100 |
| 2011 |
231.7 |
0.120 |
| 2012 |
244.5 |
0.145 |
| 2013 |
253.6 |
0.169 |
| 2014 |
260.7 |
0.188 |
| 2015 |
266.6 |
0.197 |
| 2016 |
272.4 |
0.194 |
| 2017 |
279.0 |
0.170 |
| 2018 |
289.6 |
0.121 |
| 2019 |
325.7 |
0.052 |
| 2020 |
66.8 |
0.072 |
| 2021 |
88.8 |
0.137 |
| 2022 |
97.8 |
0.176 |
| 2023 |
104.4 |
0.189 |
| 2024 |
110.8 |
0.184 |
| 2025 |
118.0 |
0.168 |
| 2026 |
127.1 |
0.145 |
| 2027 |
139.9 |
0.121 |
| 2028 |
158.6 |
0.100 |
| 2029 |
183.9 |
0.091 |
| 2030 |
209.8 |
0.098 |
|
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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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