22025+2612 A 307 (HD 209376)
22h 02m 29.85s +26° 12' 07.9" P.A. 125.00 sep 0.4 mag 9.70,9.76 Sp G
Coord 2000 |
22025+2612 |
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Discov num |
A 307 |
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Comp |
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Coord arcsec 2000 |
22 02 29.85 +26 12 07.9 |
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Date first |
1901 |
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Date last |
2016 |
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Obs |
38 |
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Pa first |
174 |
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Pa last |
125.3 |
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P.A. Now (θ) |
125.3° |
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Sep first |
1.0 |
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Sep last |
0.401 |
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Sep. Now (ρ) |
0.401" |
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Mag pri |
9.70 |
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Mag sec |
9.76 |
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delta mag (ΔM) |
0.06 |
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Spectral class |
G (yellow) |
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Pri motion ra |
+080 |
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Sec motion ra |
+080 |
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Pri motion dec |
-005 |
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Sec motion dec |
-005 |
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Notes |
O
(Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 209376 |
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Constellation |
Pegasus |
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Tycho2 |
2207-00093-1 |
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Gaia DR2 |
1892647883822566784 |
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HD |
209376 |
|
ADS |
15569 |
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ORBITAL ELEMENTS
Period (P) | 1322.7327y | ± 698.8814 |
Periastron (T) | 1846.8989y | ± 202.0653 |
Semi-major axis (a) | 3.28254a | ± 2.0165 |
Eccentricity (e) | 0.80682 | ± 0.15358 |
Inclination (i) | 96.278° | ± 10.407 |
Longitude of periastron (ω) | 300.129° | ± 48.84 |
Node (Ω) | 179.798° | ± 33.159 |
Notes | | |
Reference | Izm2019 | |
Equinox | | |
Last observation | 2007 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
139.6 |
0.535 |
2001 |
138.9 |
0.530 |
2002 |
138.2 |
0.525 |
2003 |
137.5 |
0.520 |
2004 |
136.8 |
0.515 |
2005 |
136.1 |
0.511 |
2006 |
135.4 |
0.506 |
2007 |
134.6 |
0.502 |
2008 |
133.9 |
0.497 |
2009 |
133.1 |
0.493 |
2010 |
132.3 |
0.489 |
2011 |
131.5 |
0.484 |
2012 |
130.7 |
0.480 |
2013 |
129.9 |
0.476 |
2014 |
129.0 |
0.472 |
2015 |
128.2 |
0.469 |
2016 |
127.3 |
0.465 |
2017 |
126.4 |
0.461 |
2018 |
125.5 |
0.458 |
2019 |
124.6 |
0.454 |
2020 |
123.7 |
0.451 |
2021 |
122.7 |
0.448 |
2022 |
121.8 |
0.445 |
2023 |
120.8 |
0.442 |
2024 |
119.8 |
0.439 |
2025 |
118.9 |
0.436 |
2026 |
117.9 |
0.434 |
2027 |
116.8 |
0.431 |
2028 |
115.8 |
0.429 |
2029 |
114.8 |
0.426 |
2030 |
113.7 |
0.424 |
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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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