04093-2025 RST 2333 AB (HD 26347)
04h 09m 18.92s -20° 24' 58.7" P.A. 189.00 sep 0.4 mag 9.70,9.70 Sp G2/3V
Coord 2000 |
04093-2025 |
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Discov num |
RST2333 |
|
Comp |
AB |
|
Coord arcsec 2000 |
04 09 18.92 -20 24 58.7 |
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Date first |
1935 |
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Date last |
2020 |
|
Obs |
15 |
|
Pa first |
11 |
|
Pa last |
188.5 |
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P.A. Now (θ) |
188.5° |
|
Sep first |
0.3 |
|
Sep last |
0.362 |
|
Sep. Now (ρ) |
0.362" |
|
Mag pri |
9.70 |
|
Mag sec |
9.70 |
|
delta mag (ΔM) |
0 |
|
Spectral class |
G2/3V (yellow) |
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Pri motion ra |
+022 |
|
Sec motion ra |
|
|
Pri motion dec |
-029 |
|
Sec motion dec |
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|
Notes |
O
(Orbital solution) |
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This double is physical.
04093-2025 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 26347 |
169175 |
04 09 19 -20 24 59 |
RST 2333 AB |
2020 |
15 |
189 |
0.4 |
9.70 |
9.70 |
0.00 |
Y |
<=== |
Show |
|
169175 |
04 09 19 -20 24 59 |
SKF 2465 AB,C |
2015 |
7 |
191 |
42.2 |
9.20 |
13.30 |
4.10 |
|
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Triple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 26347 |
|
Constellation |
Eridanus |
|
SAO |
169175 |
|
Tycho2 |
5889-01357-1 |
|
Gaia DR2 |
5091025641634025984 |
|
HD |
26347 |
|
ORBITAL ELEMENTS
Period (P) | 225y | |
Periastron (T) | 1949.2y | |
Semi-major axis (a) | 0.498a | |
Eccentricity (e) | 0.256 | |
Inclination (i) | 80.9° | |
Longitude of periastron (ω) | 358.7° | |
Node (Ω) | 15.4° | |
Notes | | |
Reference | Doc2012i | |
Equinox | 2000 | |
Last observation | 2010 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
170.9 |
0.184 |
2001 |
172.6 |
0.196 |
2002 |
174.1 |
0.209 |
2003 |
175.4 |
0.221 |
2004 |
176.6 |
0.233 |
2005 |
177.6 |
0.245 |
2006 |
178.6 |
0.257 |
2007 |
179.5 |
0.269 |
2008 |
180.3 |
0.281 |
2009 |
181.0 |
0.293 |
2010 |
181.7 |
0.304 |
2011 |
182.3 |
0.316 |
2012 |
182.9 |
0.327 |
2013 |
183.4 |
0.338 |
2014 |
184.0 |
0.349 |
2015 |
184.4 |
0.360 |
2016 |
184.9 |
0.370 |
2017 |
185.3 |
0.381 |
2018 |
185.7 |
0.391 |
2019 |
186.1 |
0.401 |
2020 |
186.5 |
0.411 |
2021 |
186.8 |
0.421 |
2022 |
187.2 |
0.430 |
2023 |
187.5 |
0.439 |
2024 |
187.8 |
0.448 |
2025 |
188.1 |
0.457 |
2026 |
188.4 |
0.466 |
2027 |
188.7 |
0.474 |
2028 |
188.9 |
0.482 |
2029 |
189.2 |
0.490 |
2030 |
189.4 |
0.498 |
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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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