22234-4324 HDS 3173 (HD 212208)
22h 23m 24.44s -43° 24' 23.3" P.A. 335.00 sep 0.1 mag 9.07,10.02 Sp F5V dist. 118.06 pc (385.11 l.y.)
| Coord 2000 |
22234-4324 |
|
Discov num |
HDS3173 |
|
Comp |
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Coord arcsec 2000 |
22 23 24.44 -43 24 23.3 |
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| Date first |
1991 |
|
Date last |
2020 |
|
Obs |
8 |
|
| Pa first |
154 |
|
Pa last |
335 |
|
P.A. Now (θ) |
335° |
|
| Sep first |
0.2 |
|
Sep last |
0.112 |
|
Sep. Now (ρ) |
0.112" |
|
| Mag pri |
9.07 |
|
Mag sec |
10.02 |
|
delta mag (ΔM) |
0.95 |
|
Spectral class |
F5V (yellow-white) |
|
| Pri motion ra |
+032 |
|
Sec motion ra |
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| Pri motion dec |
-033 |
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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 212208 |
|
Constellation |
Grus |
|
SAO |
231117 |
|
HIP |
110519 |
|
| Tycho2 |
8002-00386-1 |
|
Gaia DR2 |
6568725082743888512 |
|
HD |
212208 |
|
CD |
CD-4414888 |
|
| CP |
CP-4410215 |
|
Distance |
118.06 |
|
Distance ly |
385.11 |
|
ORBITAL ELEMENTS
| Period (P) | 82y | |
Periastron (T) | 2016.32y | |
Semi-major axis (a) | 0.171a | |
| Eccentricity (e) | 0.327 | |
Inclination (i) | 142.7° | |
Longitude of periastron (ω) | 189° | |
| Node (Ω) | 196.7° | |
Notes | | |
Reference | Tok2020g | |
| Equinox | 2000 | |
Last observation | 2019 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
119.8 |
0.138 |
| 2001 |
114.5 |
0.133 |
| 2002 |
108.9 |
0.129 |
| 2003 |
103.0 |
0.126 |
| 2004 |
96.7 |
0.123 |
| 2005 |
90.2 |
0.120 |
| 2006 |
83.4 |
0.118 |
| 2007 |
76.5 |
0.117 |
| 2008 |
69.4 |
0.116 |
| 2009 |
62.2 |
0.116 |
| 2010 |
55.0 |
0.116 |
| 2011 |
47.8 |
0.116 |
| 2012 |
40.6 |
0.116 |
| 2013 |
33.5 |
0.116 |
| 2014 |
26.3 |
0.116 |
| 2015 |
19.1 |
0.116 |
| 2016 |
11.9 |
0.115 |
| 2017 |
4.5 |
0.114 |
| 2018 |
356.9 |
0.112 |
| 2019 |
349.2 |
0.111 |
| 2020 |
341.3 |
0.110 |
| 2021 |
333.1 |
0.108 |
| 2022 |
324.9 |
0.108 |
| 2023 |
316.6 |
0.108 |
| 2024 |
308.4 |
0.109 |
| 2025 |
300.3 |
0.110 |
| 2026 |
292.6 |
0.113 |
| 2027 |
285.2 |
0.116 |
| 2028 |
278.3 |
0.120 |
| 2029 |
271.9 |
0.125 |
| 2030 |
266.0 |
0.130 |
| 2031 |
260.5 |
0.136 |
| 2032 |
255.5 |
0.141 |
| 2033 |
250.8 |
0.147 |
| 2034 |
246.5 |
0.153 |
| 2035 |
242.6 |
0.159 |
| 2036 |
238.9 |
0.165 |
| 2037 |
235.4 |
0.170 |
| 2038 |
232.2 |
0.176 |
| 2039 |
229.2 |
0.181 |
| 2040 |
226.3 |
0.186 |
| 2041 |
223.6 |
0.191 |
| 2042 |
221.0 |
0.196 |
| 2043 |
218.6 |
0.200 |
| 2044 |
216.2 |
0.204 |
| 2045 |
213.9 |
0.208 |
| 2046 |
211.7 |
0.211 |
| 2047 |
209.6 |
0.214 |
| 2048 |
207.5 |
0.217 |
| 2049 |
205.5 |
0.219 |
| 2050 |
203.5 |
0.221 |
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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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