22376+2400 HDS 3212 (HD 214398)
22h 37m 33.37s +24° 00' 04.9" P.A. 147.00 sep 0.1 mag 7.50,8.32 Sp A3 dist. 187.27 pc (610.87 l.y.)
Coord 2000 |
22376+2400 |
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Discov num |
HDS3212 |
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Comp |
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Coord arcsec 2000 |
22 37 33.37 +24 00 04.9 |
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Date first |
1991 |
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Date last |
2019 |
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Obs |
9 |
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Pa first |
176 |
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Pa last |
146.7 |
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P.A. Now (θ) |
181.2° |
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Sep first |
0.1 |
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Sep last |
0.127 |
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Sep. Now (ρ) |
0.09" |
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Mag pri |
7.50 |
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Mag sec |
8.32 |
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delta mag (ΔM) |
0.82 |
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Spectral class |
A3 (white) |
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Pri motion ra |
-022 |
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Sec motion ra |
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Pri motion dec |
-018 |
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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 214398 |
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Constellation |
Pegasus |
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SAO |
90655 |
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HIP |
111694 |
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Tycho2 |
2220-00400-1 |
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Gaia DR2 |
1876924592667169024 |
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HD |
214398 |
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GC |
31582 |
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BD |
BD+23 4576 |
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Distance |
187.27 |
|
Distance ly |
610.87 |
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ORBITAL ELEMENTS
Period (P) | 31.22y | ± 0.58 |
Periastron (T) | 2027.6y | ± 1.01 |
Semi-major axis (a) | 0.11a | ± 0.003 |
Eccentricity (e) | 0.357 | ± 0.021 |
Inclination (i) | 31.1° | ± 7.8 |
Longitude of periastron (ω) | 145.7° | ± 14.6 |
Node (Ω) | 133.6° | ± 9.6 |
Notes | | |
Reference | Tok2019c | |
Equinox | | |
Last observation | 2018 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
354.1 |
0.084 |
2001 |
9.2 |
0.088 |
2002 |
22.9 |
0.093 |
2003 |
35.1 |
0.098 |
2004 |
46.0 |
0.104 |
2005 |
55.7 |
0.110 |
2006 |
64.4 |
0.116 |
2007 |
72.2 |
0.122 |
2008 |
79.3 |
0.128 |
2009 |
85.9 |
0.133 |
2010 |
92.0 |
0.137 |
2011 |
97.8 |
0.140 |
2012 |
103.4 |
0.143 |
2013 |
108.8 |
0.144 |
2014 |
114.1 |
0.145 |
2015 |
119.5 |
0.144 |
2016 |
124.9 |
0.142 |
2017 |
130.6 |
0.138 |
2018 |
136.7 |
0.134 |
2019 |
143.2 |
0.127 |
2020 |
150.5 |
0.120 |
2021 |
158.9 |
0.111 |
2022 |
168.9 |
0.101 |
2023 |
181.2 |
0.090 |
2024 |
197.0 |
0.079 |
2025 |
217.3 |
0.070 |
2026 |
241.9 |
0.065 |
2027 |
268.2 |
0.066 |
2028 |
292.8 |
0.069 |
2029 |
314.4 |
0.074 |
2030 |
333.5 |
0.079 |
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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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