00366+5609 A 914 (HD 3304)
00h 36m 33.43s +56° 08' 32.0" P.A. 19.00 sep 0.4 mag 8.42,9.29 Sp F5 dist. 209.64 pc (683.85 l.y.)
Coord 2000 |
00366+5609 |
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Discov num |
A 914 |
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Comp |
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Coord arcsec 2000 |
00 36 33.43 +56 08 32.0 |
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Date first |
1905 |
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Date last |
2019 |
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Obs |
36 |
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Pa first |
77 |
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Pa last |
19 |
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P.A. Now (θ) |
19° |
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Sep first |
0.3 |
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Sep last |
0.43 |
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Sep. Now (ρ) |
0.43" |
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Mag pri |
8.42 |
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Mag sec |
9.29 |
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delta mag (ΔM) |
0.87 |
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Spectral class |
F5 (yellow-white) |
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Pri motion ra |
-031 |
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Sec motion ra |
-031 |
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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 3304 |
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Constellation |
Cassiopeia |
|
SAO |
21557 |
|
HIP |
2886 |
|
Tycho2 |
3658-00454-1 |
|
HD |
3304 |
|
ADS |
504 |
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BD |
BD+55 117 |
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Distance |
209.64 |
|
Distance ly |
683.85 |
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ORBITAL ELEMENTS
Period (P) | 1240.2y | ± 79.4 |
Periastron (T) | 2015.1y | ± 80.1 |
Semi-major axis (a) | 0.88a | ± 0.084 |
Eccentricity (e) | 0.477 | ± 0.043 |
Inclination (i) | 109.4° | ± 2.1 |
Longitude of periastron (ω) | 4.4° | ± 3.3 |
Node (Ω) | 24.7° | ± 2.9 |
Notes | | |
Reference | Cve2010e | |
Equinox | 2000 | |
Last observation | 2005 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
27.9 |
0.459 |
2001 |
27.6 |
0.459 |
2002 |
27.3 |
0.460 |
2003 |
27.0 |
0.460 |
2004 |
26.7 |
0.460 |
2005 |
26.4 |
0.461 |
2006 |
26.1 |
0.461 |
2007 |
25.7 |
0.461 |
2008 |
25.4 |
0.461 |
2009 |
25.1 |
0.461 |
2010 |
24.8 |
0.461 |
2011 |
24.5 |
0.461 |
2012 |
24.2 |
0.460 |
2013 |
23.9 |
0.460 |
2014 |
23.6 |
0.460 |
2015 |
23.3 |
0.459 |
2016 |
23.0 |
0.459 |
2017 |
22.6 |
0.458 |
2018 |
22.3 |
0.457 |
2019 |
22.0 |
0.457 |
2020 |
21.7 |
0.456 |
2021 |
21.4 |
0.455 |
2022 |
21.1 |
0.454 |
2023 |
20.7 |
0.453 |
2024 |
20.4 |
0.452 |
2025 |
20.1 |
0.451 |
2026 |
19.8 |
0.449 |
2027 |
19.5 |
0.448 |
2028 |
19.1 |
0.447 |
2029 |
18.8 |
0.445 |
2030 |
18.5 |
0.444 |
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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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