04093-0756 A 469 (HD 26294)
04h 09m 20.48s -07° 55' 44.5" P.A. 330.00 sep 0.2 mag 7.85,8.22 Sp A2 dist. 170.65 pc (556.66 l.y.)
| Coord 2000 |
04093-0756 |
|
Discov num |
A 469 |
|
Comp |
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Coord arcsec 2000 |
04 09 20.48 -07 55 44.5 |
|
| Date first |
1903 |
|
Date last |
2018 |
|
Obs |
44 |
|
| Pa first |
344 |
|
Pa last |
330 |
|
P.A. Now (θ) |
334.5° |
|
| Sep first |
0.2 |
|
Sep last |
0.24 |
|
Sep. Now (ρ) |
0.239" |
|
| Mag pri |
7.85 |
|
Mag sec |
8.22 |
|
delta mag (ΔM) |
0.37 |
|
Spectral class |
A2 (white) |
|
| Pri motion ra |
-012 |
|
Sec motion ra |
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|
| Pri motion dec |
-022 |
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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 26294 |
|
Constellation |
Eridanus |
|
SAO |
130988 |
|
HIP |
19399 |
|
| Tycho2 |
5312-02256-1 |
|
Gaia DR2 |
3195764463490143616 |
|
HD |
26294 |
|
GC |
5003 |
|
| ADS |
3032 |
|
BD |
BD-08 798 |
|
Distance |
170.65 |
|
Distance ly |
556.66 |
|
ORBITAL ELEMENTS
| Period (P) | 126.5y | |
Periastron (T) | 1969.9y | |
Semi-major axis (a) | 0.274a | |
| Eccentricity (e) | 0.869 | |
Inclination (i) | 61.7° | |
Longitude of periastron (ω) | 95.4° | |
| Node (Ω) | 61.8° | |
Notes | n | |
Reference | Doc2019a | |
| Equinox | 2000 | |
Last observation | 2014 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
311.4 |
0.206 |
| 2001 |
312.6 |
0.208 |
| 2002 |
313.8 |
0.210 |
| 2003 |
314.9 |
0.212 |
| 2004 |
316.0 |
0.214 |
| 2005 |
317.1 |
0.215 |
| 2006 |
318.2 |
0.217 |
| 2007 |
319.2 |
0.219 |
| 2008 |
320.3 |
0.220 |
| 2009 |
321.3 |
0.222 |
| 2010 |
322.3 |
0.223 |
| 2011 |
323.3 |
0.225 |
| 2012 |
324.3 |
0.226 |
| 2013 |
325.3 |
0.227 |
| 2014 |
326.2 |
0.229 |
| 2015 |
327.2 |
0.230 |
| 2016 |
328.1 |
0.231 |
| 2017 |
329.0 |
0.232 |
| 2018 |
330.0 |
0.234 |
| 2019 |
330.9 |
0.235 |
| 2020 |
331.8 |
0.236 |
| 2021 |
332.7 |
0.237 |
| 2022 |
333.6 |
0.238 |
| 2023 |
334.5 |
0.239 |
| 2024 |
335.3 |
0.240 |
| 2025 |
336.2 |
0.241 |
| 2026 |
337.1 |
0.242 |
| 2027 |
337.9 |
0.242 |
| 2028 |
338.8 |
0.243 |
| 2029 |
339.6 |
0.244 |
| 2030 |
340.5 |
0.245 |
|
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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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