05234-3640 I 275 (HD 35490)
05h 23m 21.04s -36° 40' 13.9" P.A. 215.00 sep 0.8 mag 8.92,9.59 Sp G5V dist. 53.68 pc (175.1 l.y.)
Coord 2000 |
05234-3640 |
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Discov num |
I 275 |
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Comp |
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Coord arcsec 2000 |
05 23 21.04 -36 40 13.9 |
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Date first |
1898 |
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Date last |
2016 |
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Obs |
39 |
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Pa first |
10 |
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Pa last |
215 |
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P.A. Now (θ) |
215° |
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Sep first |
1.1 |
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Sep last |
0.814 |
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Sep. Now (ρ) |
0.814" |
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Mag pri |
8.92 |
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Mag sec |
9.59 |
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delta mag (ΔM) |
0.67 |
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Spectral class |
G5V (yellow) |
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Pri motion ra |
+001 |
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Sec motion ra |
+001 |
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Pri motion dec |
+189 |
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Sec motion dec |
+189 |
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Notes |
O
(Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 35490 |
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Constellation |
Columba |
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SAO |
195802 |
|
HIP |
25190 |
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Tycho2 |
7054-00734-1 |
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Gaia DR2 |
4821518745914467712 |
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HD |
35490 |
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CD |
CD-36 2213 |
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CP |
CP-36 702 |
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Distance |
53.68 |
|
Distance ly |
175.1 |
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ORBITAL ELEMENTS
Period (P) | 729.09y | |
Periastron (T) | 2002.31y | |
Semi-major axis (a) | 1.705a | |
Eccentricity (e) | 0.53 | |
Inclination (i) | 130.1° | |
Longitude of periastron (ω) | 161.2° | |
Node (Ω) | 40° | |
Notes | | |
Reference | Zir2010 | |
Equinox | 2000 | |
Last observation | 2008 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
235.4 |
0.765 |
2001 |
234.1 |
0.770 |
2002 |
232.8 |
0.775 |
2003 |
231.5 |
0.780 |
2004 |
230.2 |
0.785 |
2005 |
228.9 |
0.789 |
2006 |
227.7 |
0.793 |
2007 |
226.4 |
0.798 |
2008 |
225.2 |
0.802 |
2009 |
224.0 |
0.805 |
2010 |
222.8 |
0.809 |
2011 |
221.6 |
0.812 |
2012 |
220.4 |
0.815 |
2013 |
219.2 |
0.818 |
2014 |
218.1 |
0.821 |
2015 |
216.9 |
0.824 |
2016 |
215.8 |
0.826 |
2017 |
214.6 |
0.828 |
2018 |
213.5 |
0.830 |
2019 |
212.3 |
0.832 |
2020 |
211.2 |
0.833 |
2021 |
210.1 |
0.834 |
2022 |
209.0 |
0.836 |
2023 |
207.8 |
0.837 |
2024 |
206.7 |
0.838 |
2025 |
205.6 |
0.838 |
2026 |
204.5 |
0.839 |
2027 |
203.4 |
0.839 |
2028 |
202.3 |
0.839 |
2029 |
201.1 |
0.840 |
2030 |
200.0 |
0.840 |
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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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