03596-1019 HU 29 (HD 25164)
03h 59m 36.89s -10° 19' 22.3" P.A. 313.00 sep 0.4 mag 8.83,9.30 Sp G0 dist. 130.89 pc (426.96 l.y.)
Coord 2000 |
03596-1019 |
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Discov num |
HU 29 |
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Comp |
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Coord arcsec 2000 |
03 59 36.89 -10 19 22.3 |
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Date first |
1900 |
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Date last |
2018 |
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Obs |
25 |
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Pa first |
312 |
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Pa last |
313 |
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P.A. Now (θ) |
313° |
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Sep first |
0.4 |
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Sep last |
0.404 |
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Sep. Now (ρ) |
0.404" |
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Mag pri |
8.83 |
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Mag sec |
9.30 |
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delta mag (ΔM) |
0.47 |
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Spectral class |
G0 (yellow) |
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Pri motion ra |
+035 |
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Sec motion ra |
+035 |
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Pri motion dec |
+028 |
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Sec motion dec |
+028 |
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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 25164 |
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Constellation |
Eridanus |
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SAO |
149300 |
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HIP |
18655 |
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Tycho2 |
5308-00757-1 |
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HD |
25164 |
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ADS |
2921 |
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BD |
BD-10 808 |
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Distance |
130.89 |
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Distance ly |
426.96 |
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ORBITAL ELEMENTS
Period (P) | 123.98y | ± 10.85 |
Periastron (T) | 1939.63y | ± 13.9 |
Semi-major axis (a) | 0.234a | ± 0.049 |
Eccentricity (e) | 0.879 | ± 0.321 |
Inclination (i) | 64.5° | ± 5.7 |
Longitude of periastron (ω) | 349.3° | ± 6.6 |
Node (Ω) | 135.8° | ± 6 |
Notes | n | |
Reference | Cve2008a | |
Equinox | 2000 | |
Last observation | 1997 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
310.9 |
0.433 |
2001 |
311.0 |
0.433 |
2002 |
311.2 |
0.434 |
2003 |
311.4 |
0.434 |
2004 |
311.6 |
0.434 |
2005 |
311.7 |
0.434 |
2006 |
311.9 |
0.434 |
2007 |
312.1 |
0.434 |
2008 |
312.3 |
0.433 |
2009 |
312.4 |
0.432 |
2010 |
312.6 |
0.431 |
2011 |
312.8 |
0.430 |
2012 |
313.0 |
0.429 |
2013 |
313.1 |
0.428 |
2014 |
313.3 |
0.426 |
2015 |
313.5 |
0.425 |
2016 |
313.7 |
0.423 |
2017 |
313.9 |
0.421 |
2018 |
314.0 |
0.418 |
2019 |
314.2 |
0.416 |
2020 |
314.4 |
0.413 |
2021 |
314.6 |
0.411 |
2022 |
314.8 |
0.408 |
2023 |
315.0 |
0.404 |
2024 |
315.2 |
0.401 |
2025 |
315.4 |
0.397 |
2026 |
315.6 |
0.394 |
2027 |
315.8 |
0.390 |
2028 |
316.1 |
0.386 |
2029 |
316.3 |
0.381 |
2030 |
316.5 |
0.376 |
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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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