03494-1956 RST 2324
03h 49m 24.67s -19° 56' 08.1" P.A. 197.00 sep 0.3 mag 10.00,10.00 Sp G5
Coord 2000 |
03494-1956 |
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Discov num |
RST2324 |
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Comp |
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Coord arcsec 2000 |
03 49 24.67 -19 56 08.1 |
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Date first |
1935 |
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Date last |
2018 |
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Obs |
19 |
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Pa first |
208 |
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Pa last |
197.2 |
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P.A. Now (θ) |
193.4° |
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Sep first |
0.2 |
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Sep last |
0.327 |
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Sep. Now (ρ) |
0.316" |
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Mag pri |
10.00 |
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Mag sec |
10.00 |
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delta mag (ΔM) |
0 |
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Spectral class |
G5 (yellow) |
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Pri motion ra |
+003 |
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Sec motion ra |
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Pri motion dec |
+006 |
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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
Constellation |
Eridanus |
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Tycho2 |
5884-00985-1 |
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Gaia DR2 |
5094797546338595072 |
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ORBITAL ELEMENTS
Period (P) | 74.94y | |
Periastron (T) | 1995.01y | |
Semi-major axis (a) | 0.226a | |
Eccentricity (e) | 0.597 | |
Inclination (i) | 130.9° | |
Longitude of periastron (ω) | 46.5° | |
Node (Ω) | 35.4° | |
Notes | | |
Reference | Doc2019d | |
Equinox | 2000 | |
Last observation | 2015 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
250.8 |
0.116 |
2001 |
242.7 |
0.136 |
2002 |
236.6 |
0.155 |
2003 |
231.8 |
0.172 |
2004 |
227.8 |
0.189 |
2005 |
224.5 |
0.204 |
2006 |
221.5 |
0.217 |
2007 |
219.0 |
0.230 |
2008 |
216.6 |
0.241 |
2009 |
214.5 |
0.251 |
2010 |
212.5 |
0.261 |
2011 |
210.7 |
0.269 |
2012 |
209.0 |
0.277 |
2013 |
207.3 |
0.283 |
2014 |
205.8 |
0.289 |
2015 |
204.2 |
0.295 |
2016 |
202.8 |
0.299 |
2017 |
201.4 |
0.303 |
2018 |
200.0 |
0.307 |
2019 |
198.6 |
0.310 |
2020 |
197.3 |
0.312 |
2021 |
196.0 |
0.314 |
2022 |
194.7 |
0.315 |
2023 |
193.4 |
0.316 |
2024 |
192.1 |
0.316 |
2025 |
190.8 |
0.316 |
2026 |
189.5 |
0.315 |
2027 |
188.2 |
0.314 |
2028 |
186.9 |
0.313 |
2029 |
185.6 |
0.311 |
2030 |
184.2 |
0.309 |
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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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