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 |
|
Discov num |
HDS3212 |
|
Comp |
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Coord arcsec 2000 |
22 37 33.37 +24 00 04.9 |
|
| Date first |
1991 |
|
Date last |
2019 |
|
Obs |
9 |
|
| Pa first |
176 |
|
Pa last |
146.7 |
|
P.A. Now (θ) |
181.2° |
|
| Sep first |
0.1 |
|
Sep last |
0.127 |
|
Sep. Now (ρ) |
0.09" |
|
| Mag pri |
7.50 |
|
Mag sec |
8.32 |
|
delta mag (ΔM) |
0.82 |
|
Spectral class |
A3 (white) |
|
| Pri motion ra |
-022 |
|
Sec motion ra |
|
|
| Pri motion dec |
-018 |
|
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 |
|
Constellation |
Pegasus |
|
SAO |
90655 |
|
HIP |
111694 |
|
| Tycho2 |
2220-00400-1 |
|
Gaia DR2 |
1876924592667169024 |
|
HD |
214398 |
|
GC |
31582 |
|
| BD |
BD+23 4576 |
|
Distance |
187.27 |
|
Distance ly |
610.87 |
|
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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