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 |
|
Discov num |
AG 14 |
|
Comp |
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Coord arcsec 2000 |
01 05 32.41 +21 07 14.5 |
|
| Date first |
1901 |
|
Date last |
2018 |
|
Obs |
72 |
|
| Pa first |
211 |
|
Pa last |
309 |
|
P.A. Now (θ) |
309° |
|
| Sep first |
0.9 |
|
Sep last |
0.822 |
|
Sep. Now (ρ) |
0.822" |
|
| Mag pri |
10.01 |
|
Mag sec |
10.06 |
|
delta mag (ΔM) |
0.05 |
|
Spectral class |
K0 (yellow-orange) |
|
| Pri motion ra |
-013 |
|
Sec motion ra |
-013 |
|
| Pri motion dec |
-034 |
|
Sec motion dec |
-034 |
|
| Notes |
O
(Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 6439 |
|
Constellation |
Pisces |
|
SAO |
74481 |
|
HIP |
5115 |
|
| Tycho2 |
1202-00246-1 |
|
Gaia DR2 |
2790383008887273472 |
|
HD |
6439 |
|
ADS |
896 |
|
| BD |
BD+20 154 |
|
Distance |
99.8 |
|
Distance ly |
325.55 |
|
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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