05590-0740 HDS 809
05h 58m 59.62s -07° 40' 03.2" P.A. 196.00 sep 0.3 mag 13.41,13.91 dist. 175.75 pc (573.3 l.y.)
Coord 2000 |
05590-0740 |
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Discov num |
HDS 809 |
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Comp |
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Coord arcsec 2000 |
05 58 59.62 -07 40 03.2 |
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Date first |
1991 |
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Date last |
2020 |
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Obs |
8 |
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Pa first |
35 |
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Pa last |
195.5 |
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P.A. Now (θ) |
195.5° |
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Sep first |
0.5 |
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Sep last |
0.326 |
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Sep. Now (ρ) |
0.326" |
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Mag pri |
13.41 |
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Mag sec |
13.91 |
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delta mag (ΔM) |
0.5 |
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Spectral class |
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Pri motion ra |
-064 |
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Sec motion ra |
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Pri motion dec |
+164 |
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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
Constellation |
Monoceros |
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HIP |
28319 |
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Gaia DR2 |
3017933125008241024 |
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Distance |
175.75 |
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Distance ly |
573.3 |
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ORBITAL ELEMENTS
Period (P) | 100y | |
Periastron (T) | 2016.13y | |
Semi-major axis (a) | 0.457a | |
Eccentricity (e) | 0.314 | |
Inclination (i) | 31.5° | |
Longitude of periastron (ω) | 129.9° | |
Node (Ω) | 29.9° | |
Notes | | |
Reference | Tok2018c | |
Equinox | | |
Last observation | 2018 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
61.6 |
0.401 |
2001 |
65.6 |
0.388 |
2002 |
69.8 |
0.374 |
2003 |
74.3 |
0.361 |
2004 |
79.1 |
0.348 |
2005 |
84.3 |
0.335 |
2006 |
90.0 |
0.323 |
2007 |
96.0 |
0.311 |
2008 |
102.5 |
0.301 |
2009 |
109.4 |
0.292 |
2010 |
116.7 |
0.285 |
2011 |
124.4 |
0.280 |
2012 |
132.2 |
0.277 |
2013 |
140.1 |
0.277 |
2014 |
148.0 |
0.278 |
2015 |
155.8 |
0.282 |
2016 |
163.4 |
0.286 |
2017 |
170.6 |
0.293 |
2018 |
177.6 |
0.300 |
2019 |
184.2 |
0.308 |
2020 |
190.4 |
0.316 |
2021 |
196.4 |
0.324 |
2022 |
202.1 |
0.332 |
2023 |
207.5 |
0.339 |
2024 |
212.6 |
0.347 |
2025 |
217.6 |
0.354 |
2026 |
222.4 |
0.360 |
2027 |
227.0 |
0.366 |
2028 |
231.5 |
0.372 |
2029 |
235.8 |
0.377 |
2030 |
240.0 |
0.382 |
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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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