09535+1657 CHR 219
09h 53m 30.98s +16° 57' 01.9" P.A. 45.00 sep 0.2 mag 9.62,10.02 Sp K0 dist. 58.28 pc (190.11 l.y.)
Coord 2000 |
09535+1657 |
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Discov num |
CHR 219 |
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Comp |
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Coord arcsec 2000 |
09 53 30.98 +16 57 01.9 |
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Date first |
1991 |
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Date last |
2021 |
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Obs |
20 |
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Pa first |
229 |
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Pa last |
45.2 |
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P.A. Now (θ) |
34.2° |
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Sep first |
0.3 |
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Sep last |
0.155 |
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Sep. Now (ρ) |
0.11" |
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Mag pri |
9.62 |
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Mag sec |
10.02 |
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delta mag (ΔM) |
0.4 |
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Spectral class |
K0 (yellow-orange) |
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Pri motion ra |
-003 |
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Sec motion ra |
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Pri motion dec |
-049 |
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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
Constellation |
Leo |
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HIP |
48504 |
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Tycho2 |
1411-00333-1 |
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Gaia DR2 |
620007189494732160 |
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BD |
BD+17 2150 |
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Distance |
58.28 |
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Distance ly |
190.11 |
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ORBITAL ELEMENTS
Period (P) | 54y | ± 9.4 |
Periastron (T) | 2023.1y | ± 1.7 |
Semi-major axis (a) | 0.308a | ± 0.02 |
Eccentricity (e) | 0.274 | ± 0.056 |
Inclination (i) | 105.2° | ± 0.9 |
Longitude of periastron (ω) | 245.7° | ± 23.8 |
Node (Ω) | 243° | ± 1.8 |
Notes | n | |
Reference | Tok2019c | |
Equinox | | |
Last observation | 2018 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
183.4 |
0.116 |
2001 |
170.3 |
0.105 |
2002 |
154.9 |
0.100 |
2003 |
138.9 |
0.101 |
2004 |
124.4 |
0.110 |
2005 |
112.5 |
0.123 |
2006 |
103.1 |
0.139 |
2007 |
95.8 |
0.157 |
2008 |
90.1 |
0.176 |
2009 |
85.4 |
0.194 |
2010 |
81.6 |
0.212 |
2011 |
78.3 |
0.228 |
2012 |
75.4 |
0.242 |
2013 |
72.8 |
0.252 |
2014 |
70.3 |
0.260 |
2015 |
68.0 |
0.264 |
2016 |
65.7 |
0.263 |
2017 |
63.4 |
0.257 |
2018 |
60.9 |
0.246 |
2019 |
58.1 |
0.229 |
2020 |
54.7 |
0.206 |
2021 |
50.4 |
0.178 |
2022 |
44.2 |
0.145 |
2023 |
34.2 |
0.110 |
2024 |
15.2 |
0.077 |
2025 |
338.5 |
0.060 |
2026 |
298.9 |
0.072 |
2027 |
277.3 |
0.104 |
2028 |
266.3 |
0.140 |
2029 |
259.8 |
0.175 |
2030 |
255.4 |
0.208 |
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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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