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 |
|
Discov num |
I 275 |
|
Comp |
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Coord arcsec 2000 |
05 23 21.04 -36 40 13.9 |
|
| Date first |
1898 |
|
Date last |
2016 |
|
Obs |
39 |
|
| Pa first |
10 |
|
Pa last |
215 |
|
P.A. Now (θ) |
215° |
|
| Sep first |
1.1 |
|
Sep last |
0.814 |
|
Sep. Now (ρ) |
0.814" |
|
| Mag pri |
8.92 |
|
Mag sec |
9.59 |
|
delta mag (ΔM) |
0.67 |
|
Spectral class |
G5V (yellow) |
|
| Pri motion ra |
+001 |
|
Sec motion ra |
+001 |
|
| Pri motion dec |
+189 |
|
Sec motion dec |
+189 |
|
| Notes |
O
(Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 35490 |
|
Constellation |
Columba |
|
SAO |
195802 |
|
HIP |
25190 |
|
| Tycho2 |
7054-00734-1 |
|
Gaia DR2 |
4821518745914467712 |
|
HD |
35490 |
|
CD |
CD-36 2213 |
|
| CP |
CP-36 702 |
|
Distance |
53.68 |
|
Distance ly |
175.1 |
|
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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