06523-0510 WNO 17 AB (HD 50281)
06h 52m 18.05s -05° 10' 25.4" P.A. 181.00 sep 58.9 mag 6.71,10.16 Sp K3.5V+M3V dist. 8.71 pc (28.41 l.y.)
| Coord 2000 |
06523-0510 |
|
Discov num |
WNO 17 |
|
Comp |
AB |
|
Coord arcsec 2000 |
06 52 18.05 -05 10 25.4 |
|
| Date first |
1894 |
|
Date last |
2020 |
|
Obs |
25 |
|
| Pa first |
177 |
|
Pa last |
180.7 |
|
P.A. Now (θ) |
180.7° |
|
| Sep first |
57.5 |
|
Sep last |
58.865 |
|
Sep. Now (ρ) |
58.865" |
|
| Mag pri |
6.71 |
|
Mag sec |
10.16 |
|
delta mag (ΔM) |
3.45 |
|
Spectral class |
K3.5V+M3V (yellow-orange/red) |
|
| Pri motion ra |
-544 |
|
Sec motion ra |
-576 |
|
| Pri motion dec |
-004 |
|
Sec motion dec |
-013 |
|
| Notes |
O
(Orbital solution) |
|
rPM=0.058 (< 0.3, Physical double)
This double is physical.
06523-0510 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 50281 |
133805 |
06 52 18 -05 10 25 |
WNO 17 AB |
2020 |
25 |
181 |
58.9 |
6.71 |
10.16 |
3.45 |
Y |
<=== |
| Show |
|
|
06 52 18 -05 11 26 |
WSI 125 Ba,Bb |
2010 |
1 |
150 |
0.2 |
10.60 |
11.10 |
0.50 |
|
|
| Show |
|
|
06 52 18 -05 11 26 |
TNN 6 BC |
2005 |
1 |
333 |
9.6 |
5.72 |
14.04 |
8.32 |
|
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Quadruple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 50281 |
|
Constellation |
Monoceros |
|
SAO |
133805 |
|
HIP |
32984 |
|
| Tycho2 |
4808-00939-1 |
|
HD |
50281 |
|
GC |
9000 |
|
GL |
Gl 250A |
|
| BD |
BD-05 1844 |
|
Distance |
8.71 |
|
Distance ly |
28.41 |
|
ORBITAL ELEMENTS
| Period (P) | 3476.076169y | |
Periastron (T) | 1159.560029y | |
Semi-major axis (a) | 65.21358a | |
| Eccentricity (e) | 0.857452 | |
Inclination (i) | 66.1638° | |
Longitude of periastron (ω) | 257.3426° | |
| Node (Ω) | 143.3961° | |
Notes | | |
Reference | Kpp2020f | |
| Equinox | | |
Last observation | | |
Grade | 5 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
180.0 |
58.634 |
| 2001 |
180.0 |
58.642 |
| 2002 |
180.1 |
58.650 |
| 2003 |
180.1 |
58.658 |
| 2004 |
180.1 |
58.666 |
| 2005 |
180.1 |
58.675 |
| 2006 |
180.2 |
58.683 |
| 2007 |
180.2 |
58.691 |
| 2008 |
180.2 |
58.699 |
| 2009 |
180.2 |
58.707 |
| 2010 |
180.3 |
58.715 |
| 2011 |
180.3 |
58.722 |
| 2012 |
180.3 |
58.730 |
| 2013 |
180.3 |
58.738 |
| 2014 |
180.4 |
58.746 |
| 2015 |
180.4 |
58.754 |
| 2016 |
180.4 |
58.761 |
| 2017 |
180.5 |
58.769 |
| 2018 |
180.5 |
58.776 |
| 2019 |
180.5 |
58.784 |
| 2020 |
180.5 |
58.791 |
| 2021 |
180.6 |
58.799 |
| 2022 |
180.6 |
58.806 |
| 2023 |
180.6 |
58.814 |
| 2024 |
180.6 |
58.821 |
| 2025 |
180.7 |
58.828 |
| 2026 |
180.7 |
58.836 |
| 2027 |
180.7 |
58.843 |
| 2028 |
180.7 |
58.850 |
| 2029 |
180.8 |
58.857 |
| 2030 |
180.8 |
58.864 |
|
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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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