03264+3520 HDS 430 (HD 21183)
03h 26m 21.05s +35° 20' 26.1" P.A. 11.00 sep 0.2 mag 8.80,10.58 Sp F6V+G9V dist. 67.75 pc (221 l.y.)
Coord 2000 |
03264+3520 |
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Discov num |
HDS 430 |
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Comp |
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Coord arcsec 2000 |
03 26 21.05 +35 20 26.1 |
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Date first |
1991 |
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Date last |
2019 |
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Obs |
24 |
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Pa first |
172 |
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Pa last |
10.6 |
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P.A. Now (θ) |
46.3° |
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Sep first |
0.2 |
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Sep last |
0.183 |
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Sep. Now (ρ) |
0.216" |
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Mag pri |
8.80 |
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Mag sec |
10.58 |
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delta mag (ΔM) |
1.78 |
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Spectral class |
F6V+G9V (yellow-white/yellow) |
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Pri motion ra |
-033 |
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Sec motion ra |
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Pri motion dec |
-002 |
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Sec motion dec |
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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 21183 |
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Constellation |
Perseus |
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SAO |
56448 |
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HIP |
16025 |
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Tycho2 |
2349-00449-1 |
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Gaia DR2 |
222096469727918336 |
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HD |
21183 |
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BD |
BD+34 645 |
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Distance |
67.75 |
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Distance ly |
221 |
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ORBITAL ELEMENTS
Period (P) | 48.3y | ± 1.5 |
Periastron (T) | 2020.9y | ± 0.9 |
Semi-major axis (a) | 257.1m | ± 4.1 |
Eccentricity (e) | 0.158 | ± 0.007 |
Inclination (i) | 41.9° | ± 0.8 |
Longitude of periastron (ω) | 325.1° | ± 12.1 |
Node (Ω) | 56.2° | ± 2.8 |
Notes | | |
Reference | Mit2020 | |
Equinox | | |
Last observation | | |
Grade | 3 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
223.4 |
0.289 |
2001 |
227.7 |
0.291 |
2002 |
232.0 |
0.290 |
2003 |
236.3 |
0.288 |
2004 |
240.8 |
0.284 |
2005 |
245.3 |
0.278 |
2006 |
250.2 |
0.271 |
2007 |
255.3 |
0.261 |
2008 |
260.8 |
0.251 |
2009 |
266.8 |
0.239 |
2010 |
273.6 |
0.226 |
2011 |
281.1 |
0.213 |
2012 |
289.6 |
0.200 |
2013 |
299.2 |
0.189 |
2014 |
309.9 |
0.179 |
2015 |
321.7 |
0.173 |
2016 |
334.1 |
0.170 |
2017 |
346.6 |
0.171 |
2018 |
358.7 |
0.176 |
2019 |
10.0 |
0.183 |
2020 |
20.3 |
0.192 |
2021 |
29.7 |
0.201 |
2022 |
38.3 |
0.209 |
2023 |
46.3 |
0.216 |
2024 |
53.8 |
0.221 |
2025 |
61.2 |
0.224 |
2026 |
68.4 |
0.224 |
2027 |
75.6 |
0.223 |
2028 |
83.0 |
0.220 |
2029 |
90.6 |
0.216 |
2030 |
98.5 |
0.212 |
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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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