22402+3732 HO 188 (HD 214807)
22h 40m 13.71s +37° 31' 40.5" P.A. 231.00 sep 0.4 mag 8.68,9.04 Sp F8 dist. 124.69 pc (406.74 l.y.)
Coord 2000 |
22402+3732 |
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Discov num |
HO 188 |
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Comp |
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Coord arcsec 2000 |
22 40 13.71 +37 31 40.5 |
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Date first |
1885 |
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Date last |
2016 |
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Obs |
90 |
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Pa first |
43 |
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Pa last |
230.6 |
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P.A. Now (θ) |
244.6° |
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Sep first |
0.4 |
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Sep last |
0.361 |
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Sep. Now (ρ) |
0.223" |
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Mag pri |
8.68 |
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Mag sec |
9.04 |
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delta mag (ΔM) |
0.36 |
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Spectral class |
F8 (yellow-white) |
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Pri motion ra |
+037 |
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Sec motion ra |
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Pri motion dec |
-009 |
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Sec motion dec |
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Notes |
N
O
(See Notes, Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 214807 |
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Constellation |
Lacerta |
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SAO |
72603 |
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HIP |
111919 |
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Tycho2 |
3214-00316-1 |
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HD |
214807 |
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ADS |
16164 |
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BD |
BD+36 4905 |
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Distance |
124.69 |
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Distance ly |
406.74 |
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ORBITAL ELEMENTS
Period (P) | 193.15y | |
Periastron (T) | 2024.44y | |
Semi-major axis (a) | 0.43a | |
Eccentricity (e) | 0.219 | |
Inclination (i) | 69.4° | |
Longitude of periastron (ω) | 57.4° | |
Node (Ω) | 219.5° | |
Notes | n | |
Reference | USN2006b | |
Equinox | 2000 | |
Last observation | 2002 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
216.0 |
0.373 |
2001 |
216.9 |
0.372 |
2002 |
217.8 |
0.370 |
2003 |
218.6 |
0.369 |
2004 |
219.5 |
0.366 |
2005 |
220.4 |
0.363 |
2006 |
221.3 |
0.360 |
2007 |
222.2 |
0.356 |
2008 |
223.2 |
0.351 |
2009 |
224.1 |
0.346 |
2010 |
225.1 |
0.340 |
2011 |
226.2 |
0.334 |
2012 |
227.3 |
0.327 |
2013 |
228.4 |
0.320 |
2014 |
229.6 |
0.312 |
2015 |
230.8 |
0.304 |
2016 |
232.1 |
0.295 |
2017 |
233.5 |
0.286 |
2018 |
235.0 |
0.276 |
2019 |
236.7 |
0.266 |
2020 |
238.4 |
0.256 |
2021 |
240.3 |
0.245 |
2022 |
242.3 |
0.234 |
2023 |
244.6 |
0.223 |
2024 |
247.1 |
0.211 |
2025 |
249.9 |
0.200 |
2026 |
253.0 |
0.189 |
2027 |
256.6 |
0.178 |
2028 |
260.5 |
0.167 |
2029 |
265.0 |
0.157 |
2030 |
270.1 |
0.148 |
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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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