22406+0632 HU 494 (HD 214809)
22h 40m 34.73s +06° 31' 42.9" P.A. 338.00 sep 0.5 mag 9.95,9.94 Sp F5 dist. 160 pc (521.92 l.y.)
| Coord 2000 |
22406+0632 |
|
Discov num |
HU 494 |
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Comp |
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Coord arcsec 2000 |
22 40 34.73 +06 31 42.9 |
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| Date first |
1901 |
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Date last |
2019 |
|
Obs |
45 |
|
| Pa first |
54 |
|
Pa last |
337.5 |
|
P.A. Now (θ) |
337.5° |
|
| Sep first |
0.3 |
|
Sep last |
0.525 |
|
Sep. Now (ρ) |
0.525" |
|
| Mag pri |
9.95 |
|
Mag sec |
9.94 |
|
delta mag (ΔM) |
0.01 |
|
Spectral class |
F5 (yellow-white) |
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| Pri motion ra |
+090 |
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Sec motion ra |
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| Pri motion dec |
+029 |
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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 214809 |
|
Constellation |
Pegasus |
|
SAO |
127684 |
|
HIP |
111947 |
|
| Tycho2 |
0574-01012-1 |
|
HD |
214809 |
|
ADS |
16165 |
|
BD |
BD+05 5054 |
|
| Distance |
160 |
|
Distance ly |
521.92 |
|
ORBITAL ELEMENTS
| Period (P) | 550y | |
Periastron (T) | 1942y | |
Semi-major axis (a) | 0.5a | |
| Eccentricity (e) | 0.823 | |
Inclination (i) | 29° | |
Longitude of periastron (ω) | 90° | |
| Node (Ω) | 99° | |
Notes | | |
Reference | Hrt2010a | |
| Equinox | 2000 | |
Last observation | 2008 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
327.6 |
0.428 |
| 2001 |
328.1 |
0.432 |
| 2002 |
328.5 |
0.436 |
| 2003 |
328.9 |
0.441 |
| 2004 |
329.3 |
0.445 |
| 2005 |
329.7 |
0.449 |
| 2006 |
330.1 |
0.453 |
| 2007 |
330.5 |
0.457 |
| 2008 |
330.9 |
0.461 |
| 2009 |
331.3 |
0.464 |
| 2010 |
331.7 |
0.468 |
| 2011 |
332.1 |
0.472 |
| 2012 |
332.4 |
0.476 |
| 2013 |
332.8 |
0.480 |
| 2014 |
333.1 |
0.483 |
| 2015 |
333.5 |
0.487 |
| 2016 |
333.8 |
0.491 |
| 2017 |
334.1 |
0.494 |
| 2018 |
334.5 |
0.498 |
| 2019 |
334.8 |
0.501 |
| 2020 |
335.1 |
0.505 |
| 2021 |
335.4 |
0.508 |
| 2022 |
335.7 |
0.512 |
| 2023 |
336.1 |
0.515 |
| 2024 |
336.4 |
0.518 |
| 2025 |
336.7 |
0.522 |
| 2026 |
337.0 |
0.525 |
| 2027 |
337.3 |
0.528 |
| 2028 |
337.5 |
0.532 |
| 2029 |
337.8 |
0.535 |
| 2030 |
338.1 |
0.538 |
|
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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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