01055+2107 AG 14 (HD 6439)
01h 05m 32.41s +21° 07' 14.5" P.A. 309.00 sep 0.8 mag 10.01,10.06 Sp K0 dist. 99.8 pc (325.55 l.y.)
Coord 2000 |
01055+2107 |
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Discov num |
AG 14 |
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Comp |
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Coord arcsec 2000 |
01 05 32.41 +21 07 14.5 |
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Date first |
1901 |
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Date last |
2018 |
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Obs |
72 |
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Pa first |
211 |
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Pa last |
309 |
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P.A. Now (θ) |
309° |
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Sep first |
0.9 |
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Sep last |
0.822 |
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Sep. Now (ρ) |
0.822" |
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Mag pri |
10.01 |
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Mag sec |
10.06 |
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delta mag (ΔM) |
0.05 |
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Spectral class |
K0 (yellow-orange) |
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Pri motion ra |
-013 |
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Sec motion ra |
-013 |
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Pri motion dec |
-034 |
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Sec motion dec |
-034 |
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Notes |
O
(Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 6439 |
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Constellation |
Pisces |
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SAO |
74481 |
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HIP |
5115 |
|
Tycho2 |
1202-00246-1 |
|
Gaia DR2 |
2790383008887273472 |
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HD |
6439 |
|
ADS |
896 |
|
BD |
BD+20 154 |
|
Distance |
99.8 |
|
Distance ly |
325.55 |
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ORBITAL ELEMENTS
Period (P) | 498.66y | |
Periastron (T) | 2465.42y | |
Semi-major axis (a) | 1.062a | |
Eccentricity (e) | 0.7 | |
Inclination (i) | 159° | |
Longitude of periastron (ω) | 190.9° | |
Node (Ω) | 265.5° | |
Notes | | |
Reference | FMR2014f | |
Equinox | 2000 | |
Last observation | 2012 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
327.3 |
0.633 |
2001 |
326.0 |
0.646 |
2002 |
324.7 |
0.658 |
2003 |
323.5 |
0.671 |
2004 |
322.3 |
0.684 |
2005 |
321.1 |
0.696 |
2006 |
320.0 |
0.709 |
2007 |
319.0 |
0.721 |
2008 |
317.9 |
0.733 |
2009 |
316.9 |
0.745 |
2010 |
316.0 |
0.758 |
2011 |
315.1 |
0.770 |
2012 |
314.2 |
0.782 |
2013 |
313.3 |
0.793 |
2014 |
312.4 |
0.805 |
2015 |
311.6 |
0.817 |
2016 |
310.8 |
0.828 |
2017 |
310.0 |
0.840 |
2018 |
309.3 |
0.851 |
2019 |
308.5 |
0.863 |
2020 |
307.8 |
0.874 |
2021 |
307.1 |
0.885 |
2022 |
306.4 |
0.896 |
2023 |
305.7 |
0.907 |
2024 |
305.1 |
0.918 |
2025 |
304.5 |
0.928 |
2026 |
303.8 |
0.939 |
2027 |
303.2 |
0.950 |
2028 |
302.6 |
0.960 |
2029 |
302.0 |
0.971 |
2030 |
301.5 |
0.981 |
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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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