04074-6413 LMP 51 (HD 26491)
04h 07m 21.54s -64° 13' 20.2" P.A. 114.00 sep 0.2 mag 6.37,9.00 Sp G1V dist. 23.63 pc (77.08 l.y.)
| Coord 2000 |
04074-6413 |
|
Discov num |
LMP 51 |
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Comp |
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Coord arcsec 2000 |
04 07 21.54 -64 13 20.2 |
|
| Date first |
2000 |
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Date last |
2021 |
|
Obs |
11 |
|
| Pa first |
294 |
|
Pa last |
114.4 |
|
P.A. Now (θ) |
114.4° |
|
| Sep first |
0.4 |
|
Sep last |
0.209 |
|
Sep. Now (ρ) |
0.209" |
|
| Mag pri |
6.37 |
|
Mag sec |
9.00 |
|
delta mag (ΔM) |
2.63 |
|
Spectral class |
G1V (yellow) |
|
| Pri motion ra |
+186 |
|
Sec motion ra |
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|
| Pri motion dec |
+337 |
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Sec motion dec |
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| Notes |
O
(Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 26491 |
|
Constellation |
Reticulum |
|
SAO |
248945 |
|
HIP |
19233 |
|
| Tycho2 |
8871-00453-1 |
|
HD |
26491 |
|
HR |
1294 |
|
GC |
5001 |
|
| GL |
Gl 162.1 |
|
CD |
CD-64 143 |
|
CP |
CP-64 305 |
|
Distance |
23.63 |
|
| Distance ly |
77.08 |
|
ORBITAL ELEMENTS
| Period (P) | 26.028y | ± 0.076 |
Periastron (T) | 1996.458y | |
Semi-major axis (a) | 0.4201a | ± 0.0067 |
| Eccentricity (e) | 0.57 | |
Inclination (i) | 96.5° | ± 0.5 |
Longitude of periastron (ω) | 221° | |
| Node (Ω) | 294.8° | ± 1.1 |
Notes | | |
Reference | Tok2017b | |
| Equinox | 2000 | |
Last observation | | |
Grade | 5 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
297.4 |
0.357 |
| 2001 |
295.9 |
0.436 |
| 2002 |
294.9 |
0.493 |
| 2003 |
294.0 |
0.533 |
| 2004 |
293.3 |
0.557 |
| 2005 |
292.6 |
0.569 |
| 2006 |
291.9 |
0.570 |
| 2007 |
291.2 |
0.561 |
| 2008 |
290.4 |
0.542 |
| 2009 |
289.6 |
0.515 |
| 2010 |
288.7 |
0.481 |
| 2011 |
287.6 |
0.440 |
| 2012 |
286.3 |
0.391 |
| 2013 |
284.6 |
0.337 |
| 2014 |
282.2 |
0.277 |
| 2015 |
278.3 |
0.213 |
| 2016 |
271.0 |
0.145 |
| 2017 |
251.0 |
0.080 |
| 2018 |
183.3 |
0.053 |
| 2019 |
138.4 |
0.104 |
| 2020 |
125.4 |
0.166 |
| 2021 |
118.9 |
0.206 |
| 2022 |
113.4 |
0.185 |
| 2023 |
96.1 |
0.064 |
| 2024 |
308.2 |
0.109 |
| 2025 |
300.0 |
0.247 |
| 2026 |
297.4 |
0.354 |
| 2027 |
296.0 |
0.434 |
| 2028 |
294.9 |
0.492 |
| 2029 |
294.1 |
0.532 |
| 2030 |
293.3 |
0.557 |
|
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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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