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 |
|
Discov num |
A 914 |
|
Comp |
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Coord arcsec 2000 |
00 36 33.43 +56 08 32.0 |
|
| Date first |
1905 |
|
Date last |
2019 |
|
Obs |
36 |
|
| Pa first |
77 |
|
Pa last |
19 |
|
P.A. Now (θ) |
19° |
|
| Sep first |
0.3 |
|
Sep last |
0.43 |
|
Sep. Now (ρ) |
0.43" |
|
| Mag pri |
8.42 |
|
Mag sec |
9.29 |
|
delta mag (ΔM) |
0.87 |
|
Spectral class |
F5 (yellow-white) |
|
| Pri motion ra |
-031 |
|
Sec motion ra |
-031 |
|
| Pri motion dec |
-005 |
|
Sec motion dec |
-005 |
|
| Notes |
O
(Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 3304 |
|
Constellation |
Cassiopeia |
|
SAO |
21557 |
|
HIP |
2886 |
|
| Tycho2 |
3658-00454-1 |
|
HD |
3304 |
|
ADS |
504 |
|
BD |
BD+55 117 |
|
| Distance |
209.64 |
|
Distance ly |
683.85 |
|
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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