07167+1609 HDS 1007 (HD 56200)
07h 16m 44.54s +16° 08' 49.4" P.A. 194.00 sep 0.1 mag 7.10,8.56 Sp F4II dist. 54.98 pc (179.34 l.y.)
Coord 2000 |
07167+1609 |
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Discov num |
HDS1007 |
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Comp |
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Coord arcsec 2000 |
07 16 44.54 +16 08 49.4 |
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Date first |
1991 |
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Date last |
2021 |
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Obs |
16 |
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Pa first |
169 |
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Pa last |
193.5 |
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P.A. Now (θ) |
220.1° |
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Sep first |
0.1 |
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Sep last |
0.077 |
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Sep. Now (ρ) |
0.046" |
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Mag pri |
7.10 |
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Mag sec |
8.56 |
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delta mag (ΔM) |
1.46 |
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Spectral class |
F4II (yellow-white) |
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Pri motion ra |
-006 |
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Sec motion ra |
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Pri motion dec |
+022 |
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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 56200 |
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Constellation |
Gemini |
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SAO |
96712 |
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HIP |
35219 |
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Tycho2 |
1346-00759-1 |
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Gaia DR2 |
3168123703240376448 |
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HD |
56200 |
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GC |
9654 |
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BD |
BD+16 1433 |
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Distance |
54.98 |
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Distance ly |
179.34 |
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ORBITAL ELEMENTS
Period (P) | 28.22y | ± 0.29 |
Periastron (T) | 2014.51y | ± 0.13 |
Semi-major axis (a) | 0.228a | ± 0.002 |
Eccentricity (e) | 0.319 | ± 0.011 |
Inclination (i) | 81.9° | ± 0.6 |
Longitude of periastron (ω) | 126.5° | ± 2.3 |
Node (Ω) | 345.4° | ± 0.4 |
Notes | | |
Reference | Tok2019c | |
Equinox | | |
Last observation | 2018 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
333.5 |
0.171 |
2001 |
336.1 |
0.198 |
2002 |
338.1 |
0.222 |
2003 |
339.7 |
0.241 |
2004 |
341.2 |
0.255 |
2005 |
342.5 |
0.263 |
2006 |
343.8 |
0.263 |
2007 |
345.1 |
0.256 |
2008 |
346.5 |
0.240 |
2009 |
348.2 |
0.214 |
2010 |
350.5 |
0.177 |
2011 |
354.3 |
0.130 |
2012 |
3.5 |
0.074 |
2013 |
65.0 |
0.023 |
2014 |
147.3 |
0.065 |
2015 |
158.5 |
0.119 |
2016 |
163.1 |
0.157 |
2017 |
166.2 |
0.175 |
2018 |
169.1 |
0.175 |
2019 |
172.2 |
0.161 |
2020 |
176.2 |
0.137 |
2021 |
182.2 |
0.107 |
2022 |
193.4 |
0.074 |
2023 |
220.1 |
0.046 |
2024 |
274.0 |
0.041 |
2025 |
308.3 |
0.066 |
2026 |
322.0 |
0.099 |
2027 |
328.7 |
0.132 |
2028 |
332.8 |
0.164 |
2029 |
335.6 |
0.193 |
2030 |
337.7 |
0.217 |
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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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