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 |
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Discov num |
HDS3173 |
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Comp |
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Coord arcsec 2000 |
22 23 24.44 -43 24 23.3 |
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Date first |
1991 |
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Date last |
2020 |
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Obs |
8 |
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Pa first |
154 |
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Pa last |
335 |
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P.A. Now (θ) |
335° |
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Sep first |
0.2 |
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Sep last |
0.112 |
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Sep. Now (ρ) |
0.112" |
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Mag pri |
9.07 |
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Mag sec |
10.02 |
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delta mag (ΔM) |
0.95 |
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Spectral class |
F5V (yellow-white) |
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Pri motion ra |
+032 |
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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 |
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Constellation |
Grus |
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SAO |
231117 |
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HIP |
110519 |
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Tycho2 |
8002-00386-1 |
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Gaia DR2 |
6568725082743888512 |
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HD |
212208 |
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CD |
CD-4414888 |
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CP |
CP-4410215 |
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Distance |
118.06 |
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Distance ly |
385.11 |
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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 |
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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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