22385+0218 HO 479 (HD 214494)
22h 38m 29.25s +02° 17' 56.2" P.A. 9.00 sep 0.4 mag 8.50,9.75 Sp G0 dist. 114.81 pc (374.51 l.y.)
Coord 2000 |
22385+0218 |
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Discov num |
HO 479 |
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Comp |
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Coord arcsec 2000 |
22 38 29.25 +02 17 56.2 |
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Date first |
1893 |
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Date last |
2021 |
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Obs |
56 |
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Pa first |
232 |
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Pa last |
8.5 |
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P.A. Now (θ) |
8.5° |
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Sep first |
0.6 |
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Sep last |
0.358 |
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Sep. Now (ρ) |
0.358" |
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Mag pri |
8.50 |
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Mag sec |
9.75 |
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delta mag (ΔM) |
1.25 |
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Spectral class |
G0 (yellow) |
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Pri motion ra |
+051 |
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Sec motion ra |
+051 |
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Pri motion dec |
-029 |
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Sec motion dec |
-029 |
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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 214494 |
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Constellation |
Aquarius |
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SAO |
127651 |
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HIP |
111775 |
|
Tycho2 |
0567-00136-1 |
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Gaia DR2 |
2702896895889926912 |
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HD |
214494 |
|
ADS |
16131 |
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BD |
BD+01 4635 |
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Distance |
114.81 |
|
Distance ly |
374.51 |
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ORBITAL ELEMENTS
Period (P) | 338.37y | |
Periastron (T) | 1999.71y | |
Semi-major axis (a) | 0.952a | |
Eccentricity (e) | 0.456 | |
Inclination (i) | 121.7° | |
Longitude of periastron (ω) | 35.2° | |
Node (Ω) | 109.2° | |
Notes | n | |
Reference | Hrt2014b | |
Equinox | 2000 | |
Last observation | 2009 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
88.2 |
0.448 |
2001 |
85.9 |
0.437 |
2002 |
83.5 |
0.425 |
2003 |
80.9 |
0.413 |
2004 |
78.2 |
0.401 |
2005 |
75.3 |
0.390 |
2006 |
72.2 |
0.378 |
2007 |
69.0 |
0.367 |
2008 |
65.5 |
0.357 |
2009 |
61.9 |
0.347 |
2010 |
58.0 |
0.338 |
2011 |
54.0 |
0.330 |
2012 |
49.8 |
0.323 |
2013 |
45.3 |
0.317 |
2014 |
40.8 |
0.313 |
2015 |
36.1 |
0.310 |
2016 |
31.4 |
0.309 |
2017 |
26.7 |
0.310 |
2018 |
22.0 |
0.312 |
2019 |
17.5 |
0.315 |
2020 |
13.0 |
0.321 |
2021 |
8.7 |
0.327 |
2022 |
4.6 |
0.335 |
2023 |
0.7 |
0.345 |
2024 |
357.0 |
0.355 |
2025 |
353.5 |
0.366 |
2026 |
350.3 |
0.379 |
2027 |
347.2 |
0.392 |
2028 |
344.4 |
0.405 |
2029 |
341.7 |
0.419 |
2030 |
339.2 |
0.434 |
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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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