23239+3456 COU 1346
23h 23m 52.41s +34° 55' 54.0" P.A. 61.00 sep 0.1 mag 9.30,9.60 Sp F8
| Coord 2000 |
23239+3456 |
|
Discov num |
COU1346 |
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Comp |
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Coord arcsec 2000 |
23 23 52.41 +34 55 54.0 |
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| Date first |
1974 |
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Date last |
2014 |
|
Obs |
13 |
|
| Pa first |
95 |
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Pa last |
61 |
|
P.A. Now (θ) |
61° |
|
| Sep first |
0.2 |
|
Sep last |
0.138 |
|
Sep. Now (ρ) |
0.138" |
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| Mag pri |
9.30 |
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Mag sec |
9.60 |
|
delta mag (ΔM) |
0.3 |
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Spectral class |
F8 (yellow-white) |
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| Pri motion ra |
-027 |
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Sec motion ra |
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| Pri motion dec |
-020 |
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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
| Constellation |
Pegasus |
|
Tycho2 |
2760-01256-1 |
|
Gaia DR2 |
1912293064233792512 |
|
ORBITAL ELEMENTS
| Period (P) | 139.6y | ± 28.6 |
Periastron (T) | 2029.9y | ± 0.8 |
Semi-major axis (a) | 0.212a | ± 0.03 |
| Eccentricity (e) | 0.479 | ± 0.096 |
Inclination (i) | 119.2° | ± 6.3 |
Longitude of periastron (ω) | 109.2° | ± 13.8 |
| Node (Ω) | 62.9° | ± 5.6 |
Notes | | |
Reference | Ksr2021 | |
| Equinox | | |
Last observation | 2008 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
73.4 |
0.224 |
| 2001 |
72.4 |
0.223 |
| 2002 |
71.4 |
0.220 |
| 2003 |
70.4 |
0.218 |
| 2004 |
69.3 |
0.215 |
| 2005 |
68.2 |
0.212 |
| 2006 |
67.1 |
0.209 |
| 2007 |
66.0 |
0.205 |
| 2008 |
64.8 |
0.201 |
| 2009 |
63.5 |
0.196 |
| 2010 |
62.2 |
0.191 |
| 2011 |
60.8 |
0.186 |
| 2012 |
59.3 |
0.180 |
| 2013 |
57.7 |
0.174 |
| 2014 |
56.0 |
0.167 |
| 2015 |
54.1 |
0.160 |
| 2016 |
52.1 |
0.152 |
| 2017 |
49.8 |
0.144 |
| 2018 |
47.3 |
0.135 |
| 2019 |
44.4 |
0.126 |
| 2020 |
41.0 |
0.116 |
| 2021 |
37.0 |
0.107 |
| 2022 |
32.2 |
0.096 |
| 2023 |
26.2 |
0.086 |
| 2024 |
18.7 |
0.077 |
| 2025 |
9.1 |
0.068 |
| 2026 |
356.9 |
0.061 |
| 2027 |
342.1 |
0.056 |
| 2028 |
325.8 |
0.055 |
| 2029 |
309.9 |
0.057 |
| 2030 |
296.1 |
0.063 |
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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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