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 |
|
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 |
|
Obs |
17 |
|
| Pa first |
347 |
|
Pa last |
335.3 |
|
P.A. Now (θ) |
331.7° |
|
| Sep first |
0.1 |
|
Sep last |
0.175 |
|
Sep. Now (ρ) |
0.173" |
|
| Mag pri |
8.79 |
|
Mag sec |
10.20 |
|
delta mag (ΔM) |
1.41 |
|
Spectral class |
G5 (yellow) |
|
| Pri motion ra |
+034 |
|
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 |
|
Constellation |
Gemini |
|
SAO |
96561 |
|
HIP |
34524 |
|
| Tycho2 |
1353-01092-1 |
|
Gaia DR2 |
3361862114523772544 |
|
HD |
54322 |
|
BD |
BD+19 1624 |
|
| Distance |
61.2 |
|
Distance ly |
199.63 |
|
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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