04091+2839 HO 326 (HD 26126)
04h 09m 08.56s +28° 38' 35.0" P.A. 295.00 sep 0.4 mag 9.07,9.15 Sp F8V dist. 96.71 pc (315.47 l.y.)
| Coord 2000 |
04091+2839 |
|
Discov num |
HO 326 |
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Comp |
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Coord arcsec 2000 |
04 09 08.56 +28 38 35.0 |
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| Date first |
1890 |
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Date last |
2016 |
|
Obs |
67 |
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| Pa first |
167 |
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Pa last |
294.6 |
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P.A. Now (θ) |
304.6° |
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| Sep first |
0.3 |
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Sep last |
0.397 |
|
Sep. Now (ρ) |
0.374" |
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| Mag pri |
9.07 |
|
Mag sec |
9.15 |
|
delta mag (ΔM) |
0.08 |
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Spectral class |
F8V (yellow-white) |
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| Pri motion ra |
+037 |
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Sec motion ra |
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| Pri motion dec |
-078 |
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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 26126 |
|
Constellation |
Taurus |
|
SAO |
76478 |
|
HIP |
19385 |
|
| Tycho2 |
1826-00843-1 |
|
HD |
26126 |
|
ADS |
3021 |
|
BD |
BD+28 627 |
|
| Distance |
96.71 |
|
Distance ly |
315.47 |
|
ORBITAL ELEMENTS
| Period (P) | 158.18y | ± 15.79 |
Periastron (T) | 1880.92y | ± 4.54 |
Semi-major axis (a) | 0.643a | ± 0.036 |
| Eccentricity (e) | 0.857 | ± 0.051 |
Inclination (i) | 72.7° | ± 1.7 |
Longitude of periastron (ω) | 271.6° | ± 0.9 |
| Node (Ω) | 147.6° | ± 4.9 |
Notes | n | |
Reference | Hrt2008 | |
| Equinox | 2000 | |
Last observation | 2003 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
283.5 |
0.401 |
| 2001 |
284.4 |
0.402 |
| 2002 |
285.3 |
0.402 |
| 2003 |
286.2 |
0.403 |
| 2004 |
287.1 |
0.403 |
| 2005 |
288.0 |
0.404 |
| 2006 |
288.9 |
0.404 |
| 2007 |
289.8 |
0.404 |
| 2008 |
290.7 |
0.404 |
| 2009 |
291.5 |
0.404 |
| 2010 |
292.4 |
0.403 |
| 2011 |
293.3 |
0.403 |
| 2012 |
294.2 |
0.402 |
| 2013 |
295.1 |
0.401 |
| 2014 |
296.0 |
0.400 |
| 2015 |
296.9 |
0.398 |
| 2016 |
297.8 |
0.396 |
| 2017 |
298.7 |
0.394 |
| 2018 |
299.7 |
0.392 |
| 2019 |
300.6 |
0.389 |
| 2020 |
301.6 |
0.386 |
| 2021 |
302.5 |
0.383 |
| 2022 |
303.5 |
0.379 |
| 2023 |
304.6 |
0.374 |
| 2024 |
305.6 |
0.369 |
| 2025 |
306.7 |
0.363 |
| 2026 |
307.8 |
0.356 |
| 2027 |
309.0 |
0.349 |
| 2028 |
310.2 |
0.340 |
| 2029 |
311.4 |
0.331 |
| 2030 |
312.8 |
0.319 |
|
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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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