23114+3813 HO 197 AB
23h 11m 25.83s +38° 13' 11.3" P.A. 275.00 sep 0.2 mag 8.47,9.16 Sp F5 dist. 167.79 pc (547.33 l.y.)
Coord 2000 |
23114+3813 |
|
Discov num |
HO 197 |
|
Comp |
AB |
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Coord arcsec 2000 |
23 11 25.83 +38 13 11.3 |
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Date first |
1885 |
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Date last |
2011 |
|
Obs |
67 |
|
Pa first |
111 |
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Pa last |
275.4 |
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P.A. Now (θ) |
144.7° |
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Sep first |
0.4 |
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Sep last |
0.161 |
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Sep. Now (ρ) |
0.153" |
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Mag pri |
8.47 |
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Mag sec |
9.16 |
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delta mag (ΔM) |
0.69 |
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Spectral class |
F5 (yellow-white) |
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Pri motion ra |
+041 |
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Sec motion ra |
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Pri motion dec |
+010 |
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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.
23114+3813 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
73068 |
23 11 26 +38 13 11 |
HO 197 AB |
2011 |
67 |
275 |
0.2 |
8.47 |
9.16 |
0.69 |
Y |
<=== |
Show |
HD 218917 |
73068 |
23 11 26 +38 13 11 |
HO 197 AB,C |
2016 |
30 |
320 |
36.4 |
7.98 |
10.34 |
2.36 |
|
|
Show |
|
73068 |
23 11 26 +38 13 11 |
HO 197 AB,D |
2016 |
26 |
279 |
56.8 |
7.98 |
9.83 |
1.85 |
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Quadruple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Andromeda |
|
SAO |
73068 |
|
HIP |
114504 |
|
Tycho2 |
3217-01908-1 |
|
Gaia DR2 |
1917567215354425728 |
|
HD |
218917 |
|
ADS |
16576 |
|
BD |
BD+37 4785 |
|
Distance |
167.79 |
|
Distance ly |
547.33 |
|
ORBITAL ELEMENTS
Period (P) | 170.3y | ± 1.6 |
Periastron (T) | 1843.59y | ± 1.7 |
Semi-major axis (a) | 0.419a | ± 0.033 |
Eccentricity (e) | 0.456 | ± 0.044 |
Inclination (i) | 106.7° | ± 3.9 |
Longitude of periastron (ω) | 249.6° | ± 3.6 |
Node (Ω) | 120.4° | ± 3.6 |
Notes | n | |
Reference | FMR2012a | |
Equinox | 2000 | |
Last observation | 2009 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
301.5 |
0.293 |
2001 |
300.4 |
0.286 |
2002 |
299.2 |
0.278 |
2003 |
298.0 |
0.269 |
2004 |
296.6 |
0.259 |
2005 |
295.1 |
0.247 |
2006 |
293.5 |
0.235 |
2007 |
291.7 |
0.221 |
2008 |
289.6 |
0.205 |
2009 |
287.1 |
0.189 |
2010 |
284.2 |
0.172 |
2011 |
280.6 |
0.153 |
2012 |
276.0 |
0.135 |
2013 |
270.0 |
0.116 |
2014 |
261.7 |
0.099 |
2015 |
250.0 |
0.083 |
2016 |
233.7 |
0.071 |
2017 |
213.4 |
0.067 |
2018 |
192.9 |
0.071 |
2019 |
176.2 |
0.082 |
2020 |
164.1 |
0.097 |
2021 |
155.5 |
0.115 |
2022 |
149.4 |
0.134 |
2023 |
144.7 |
0.153 |
2024 |
141.1 |
0.172 |
2025 |
138.3 |
0.191 |
2026 |
135.9 |
0.210 |
2027 |
133.9 |
0.227 |
2028 |
132.2 |
0.244 |
2029 |
130.7 |
0.261 |
2030 |
129.4 |
0.276 |
|
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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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