07092+1903 CHR 216 (HD 54322)
07h 09m 13.48s +19° 02' 33.9" P.A. 335.00 sep 0.2 mag 8.79,10.20 Sp G5 dist. 61.2 pc (199.63 l.y.)
Coord 2000 |
07092+1903 |
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Discov num |
CHR 216 |
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Comp |
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Coord arcsec 2000 |
07 09 13.48 +19 02 33.9 |
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Date first |
1991 |
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Date last |
2018 |
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Obs |
17 |
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Pa first |
347 |
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Pa last |
335.3 |
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P.A. Now (θ) |
331.7° |
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Sep first |
0.1 |
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Sep last |
0.175 |
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Sep. Now (ρ) |
0.173" |
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Mag pri |
8.79 |
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Mag sec |
10.20 |
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delta mag (ΔM) |
1.41 |
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Spectral class |
G5 (yellow) |
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Pri motion ra |
+034 |
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Sec motion ra |
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Pri motion dec |
-044 |
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Sec motion dec |
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Notes |
N
O
(See Notes, Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 54322 |
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Constellation |
Gemini |
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SAO |
96561 |
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HIP |
34524 |
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Tycho2 |
1353-01092-1 |
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Gaia DR2 |
3361862114523772544 |
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HD |
54322 |
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BD |
BD+19 1624 |
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Distance |
61.2 |
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Distance ly |
199.63 |
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ORBITAL ELEMENTS
Period (P) | 27.6y | ± 1.1 |
Periastron (T) | 2010.81y | ± 0.25 |
Semi-major axis (a) | 0.179a | ± 0.013 |
Eccentricity (e) | 0.94 | |
Inclination (i) | 103.3° | ± 1.9 |
Longitude of periastron (ω) | 244.5° | ± 2.3 |
Node (Ω) | 355.6° | ± 1.7 |
Notes | n | |
Reference | RAO2015 | |
Equinox | 2000 | |
Last observation | 2013 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
325.8 |
0.145 |
2001 |
324.1 |
0.136 |
2002 |
322.2 |
0.125 |
2003 |
319.9 |
0.114 |
2004 |
317.1 |
0.102 |
2005 |
313.5 |
0.089 |
2006 |
308.6 |
0.075 |
2007 |
301.3 |
0.060 |
2008 |
289.1 |
0.045 |
2009 |
265.8 |
0.032 |
2010 |
222.0 |
0.025 |
2011 |
357.7 |
0.028 |
2012 |
347.1 |
0.089 |
2013 |
344.1 |
0.119 |
2014 |
342.1 |
0.138 |
2015 |
340.5 |
0.152 |
2016 |
339.2 |
0.162 |
2017 |
338.0 |
0.170 |
2018 |
336.9 |
0.175 |
2019 |
335.9 |
0.177 |
2020 |
334.8 |
0.179 |
2021 |
333.8 |
0.178 |
2022 |
332.8 |
0.176 |
2023 |
331.7 |
0.173 |
2024 |
330.6 |
0.169 |
2025 |
329.4 |
0.164 |
2026 |
328.1 |
0.157 |
2027 |
326.7 |
0.150 |
2028 |
325.2 |
0.141 |
2029 |
323.4 |
0.132 |
2030 |
321.3 |
0.121 |
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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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