04389-1207 HDS 599 (HD 29573)
04h 38m 53.59s -12° 07' 23.1" P.A. 249.00 sep 0.1 mag 5.19,7.22 Sp A0V dist. 71.33 pc (232.68 l.y.)
| Coord 2000 |
04389-1207 |
|
Discov num |
HDS 599 |
|
Comp |
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Coord arcsec 2000 |
04 38 53.59 -12 07 23.1 |
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| Date first |
1991 |
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Date last |
2021 |
|
Obs |
14 |
|
| Pa first |
310 |
|
Pa last |
248.6 |
|
P.A. Now (θ) |
257.1° |
|
| Sep first |
0.2 |
|
Sep last |
0.125 |
|
Sep. Now (ρ) |
0.132" |
|
| Mag pri |
5.19 |
|
Mag sec |
7.22 |
|
delta mag (ΔM) |
2.03 |
|
Spectral class |
A0V (white) |
|
| Pri motion ra |
-065 |
|
Sec motion ra |
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| Pri motion dec |
-018 |
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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 29573 |
|
Constellation |
Eridanus |
|
SAO |
149789 |
|
HIP |
21644 |
|
| Tycho2 |
5324-01900-1 |
|
Gaia DR2 |
3178047173638946432 |
|
HD |
29573 |
|
HR |
1483 |
|
| GC |
5669 |
|
BD |
BD-12 955 |
|
Distance |
71.33 |
|
Distance ly |
232.68 |
|
ORBITAL ELEMENTS
| Period (P) | 50.13y | ± 1.45 |
Periastron (T) | 2004.18y | ± 0.3 |
Semi-major axis (a) | 0.3174a | ± 0.0155 |
| Eccentricity (e) | 0.817 | ± 0.018 |
Inclination (i) | 76.5° | ± 0.9 |
Longitude of periastron (ω) | 281.2° | ± 1 |
| Node (Ω) | 153.9° | ± 1 |
Notes | n | |
Reference | Tok2020e | |
| Equinox | | |
Last observation | | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
324.9 |
0.211 |
| 2001 |
327.4 |
0.189 |
| 2002 |
330.6 |
0.157 |
| 2003 |
336.2 |
0.106 |
| 2004 |
25.2 |
0.018 |
| 2005 |
153.1 |
0.087 |
| 2006 |
161.5 |
0.125 |
| 2007 |
167.0 |
0.140 |
| 2008 |
171.7 |
0.146 |
| 2009 |
176.2 |
0.148 |
| 2010 |
180.7 |
0.146 |
| 2011 |
185.3 |
0.143 |
| 2012 |
190.2 |
0.140 |
| 2013 |
195.3 |
0.135 |
| 2014 |
200.8 |
0.131 |
| 2015 |
206.6 |
0.128 |
| 2016 |
212.7 |
0.125 |
| 2017 |
219.1 |
0.123 |
| 2018 |
225.7 |
0.121 |
| 2019 |
232.3 |
0.121 |
| 2020 |
238.9 |
0.122 |
| 2021 |
245.2 |
0.125 |
| 2022 |
251.4 |
0.128 |
| 2023 |
257.1 |
0.132 |
| 2024 |
262.5 |
0.137 |
| 2025 |
267.4 |
0.143 |
| 2026 |
272.0 |
0.150 |
| 2027 |
276.1 |
0.157 |
| 2028 |
279.9 |
0.164 |
| 2029 |
283.4 |
0.171 |
| 2030 |
286.6 |
0.179 |
|
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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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