04364+3413 HU 610 (HD 280026)
04h 36m 24.76s +34° 12' 33.3" P.A. 280.00 sep 0.1 mag 10.21,9.96 Sp G5 dist. 103.09 pc (336.28 l.y.)
Coord 2000 |
04364+3413 |
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Discov num |
HU 610 |
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Comp |
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Coord arcsec 2000 |
04 36 24.76 +34 12 33.3 |
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Date first |
1902 |
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Date last |
2007 |
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Obs |
20 |
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Pa first |
28 |
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Pa last |
279.6 |
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P.A. Now (θ) |
37.1° |
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Sep first |
0.2 |
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Sep last |
0.133 |
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Sep. Now (ρ) |
0.161" |
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Mag pri |
10.21 |
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Mag sec |
9.96 |
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delta mag (ΔM) |
0.25 |
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Spectral class |
G5 (yellow) |
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Pri motion ra |
+091 |
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Sec motion ra |
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Pri motion dec |
+043 |
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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 280026 |
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Constellation |
Perseus |
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SAO |
57335 |
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HIP |
21454 |
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Tycho2 |
2381-00242-1 |
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Gaia DR2 |
173761599270446208 |
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HD |
280026 |
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ADS |
3323 |
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BD |
BD+33 884 |
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Distance |
103.09 |
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Distance ly |
336.28 |
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ORBITAL ELEMENTS
Period (P) | 59.25y | ± 1 |
Periastron (T) | 2004.71y | ± 0.2 |
Semi-major axis (a) | 0.176a | ± 0.002 |
Eccentricity (e) | 0.383 | ± 0.002 |
Inclination (i) | 46.2° | ± 1 |
Longitude of periastron (ω) | 146.8° | ± 3 |
Node (Ω) | 98.1° | ± 2 |
Notes | n | |
Reference | Tam2006 | |
Equinox | 2000 | |
Last observation | 2004 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
180.5 |
0.089 |
2001 |
196.7 |
0.084 |
2002 |
213.9 |
0.084 |
2003 |
230.2 |
0.088 |
2004 |
244.7 |
0.095 |
2005 |
257.2 |
0.102 |
2006 |
268.0 |
0.108 |
2007 |
277.8 |
0.114 |
2008 |
286.8 |
0.117 |
2009 |
295.4 |
0.119 |
2010 |
303.9 |
0.120 |
2011 |
312.3 |
0.120 |
2012 |
320.7 |
0.120 |
2013 |
329.1 |
0.120 |
2014 |
337.4 |
0.121 |
2015 |
345.6 |
0.122 |
2016 |
353.6 |
0.124 |
2017 |
1.2 |
0.128 |
2018 |
8.3 |
0.132 |
2019 |
15.0 |
0.137 |
2020 |
21.2 |
0.142 |
2021 |
27.0 |
0.148 |
2022 |
32.2 |
0.154 |
2023 |
37.1 |
0.161 |
2024 |
41.5 |
0.168 |
2025 |
45.7 |
0.174 |
2026 |
49.5 |
0.181 |
2027 |
53.0 |
0.187 |
2028 |
56.3 |
0.193 |
2029 |
59.5 |
0.199 |
2030 |
62.4 |
0.205 |
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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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