22546+1054 HDS 3257 (HD 216674)
22h 54m 37.10s +10° 53' 52.8" P.A. 85.00 sep 0.1 mag 8.90,9.69 Sp F2 dist. 160.26 pc (522.77 l.y.)
Coord 2000 |
22546+1054 |
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Discov num |
HDS3257 |
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Comp |
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Coord arcsec 2000 |
22 54 37.10 +10 53 52.8 |
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Date first |
1991 |
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Date last |
2017 |
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Obs |
7 |
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Pa first |
35 |
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Pa last |
84.5 |
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P.A. Now (θ) |
84.5° |
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Sep first |
0.2 |
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Sep last |
0.128 |
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Sep. Now (ρ) |
0.128" |
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Mag pri |
8.90 |
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Mag sec |
9.69 |
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delta mag (ΔM) |
0.79 |
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Spectral class |
F2 (yellow-white) |
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Pri motion ra |
+021 |
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Sec motion ra |
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Pri motion dec |
-007 |
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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 216674 |
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Constellation |
Pegasus |
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SAO |
108245 |
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HIP |
113134 |
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Tycho2 |
1156-01899-1 |
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Gaia DR2 |
2718150528076517888 |
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HD |
216674 |
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BD |
BD+10 4844 |
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Distance |
160.26 |
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Distance ly |
522.77 |
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ORBITAL ELEMENTS
Period (P) | 249.14y | ± 99.01 |
Periastron (T) | 2007y | ± 45.27 |
Semi-major axis (a) | 0.344a | ± 0.255 |
Eccentricity (e) | 0.415 | ± 0.361 |
Inclination (i) | 67.1° | ± 26 |
Longitude of periastron (ω) | 20.9° | ± 122.6 |
Node (Ω) | 51.2° | ± 18.4 |
Notes | | |
Reference | Tok2015c | |
Equinox | 2000 | |
Last observation | 2014 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
49.1 |
0.207 |
2001 |
50.5 |
0.206 |
2002 |
51.9 |
0.204 |
2003 |
53.4 |
0.203 |
2004 |
54.9 |
0.200 |
2005 |
56.4 |
0.197 |
2006 |
58.0 |
0.194 |
2007 |
59.7 |
0.190 |
2008 |
61.4 |
0.186 |
2009 |
63.2 |
0.181 |
2010 |
65.1 |
0.176 |
2011 |
67.1 |
0.171 |
2012 |
69.2 |
0.165 |
2013 |
71.5 |
0.159 |
2014 |
74.0 |
0.153 |
2015 |
76.7 |
0.147 |
2016 |
79.7 |
0.140 |
2017 |
82.9 |
0.134 |
2018 |
86.4 |
0.128 |
2019 |
90.3 |
0.122 |
2020 |
94.6 |
0.116 |
2021 |
99.3 |
0.111 |
2022 |
104.4 |
0.106 |
2023 |
110.0 |
0.102 |
2024 |
116.0 |
0.099 |
2025 |
122.3 |
0.097 |
2026 |
128.9 |
0.096 |
2027 |
135.5 |
0.096 |
2028 |
142.0 |
0.097 |
2029 |
148.4 |
0.099 |
2030 |
154.4 |
0.102 |
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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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