08070-2954 B 1581 (HD 67473)
08h 07m 02.10s -29° 53' 48.3" P.A. 194.00 sep 0.1 mag 9.61,9.94 Sp G3V dist. 89.85 pc (293.09 l.y.)
| Coord 2000 |
08070-2954 |
|
Discov num |
B 1581 |
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Comp |
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Coord arcsec 2000 |
08 07 02.10 -29 53 48.3 |
|
| Date first |
1929 |
|
Date last |
2021 |
|
Obs |
14 |
|
| Pa first |
311 |
|
Pa last |
193.5 |
|
P.A. Now (θ) |
193.5° |
|
| Sep first |
0.7 |
|
Sep last |
0.089 |
|
Sep. Now (ρ) |
0.089" |
|
| Mag pri |
9.61 |
|
Mag sec |
9.94 |
|
delta mag (ΔM) |
0.33 |
|
Spectral class |
G3V (yellow) |
|
| Pri motion ra |
-033 |
|
Sec motion ra |
-033 |
|
| Pri motion dec |
-024 |
|
Sec motion dec |
-024 |
|
| Notes |
O
(Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 67473 |
|
Constellation |
Puppis |
|
SAO |
175203 |
|
HIP |
39713 |
|
| Tycho2 |
6567-01326-1 |
|
Gaia DR2 |
5596627916117100032 |
|
HD |
67473 |
|
CD |
CD-29 5559 |
|
| CP |
CP-29 2319 |
|
Distance |
89.85 |
|
Distance ly |
293.09 |
|
ORBITAL ELEMENTS
| Period (P) | 250y | |
Periastron (T) | 2028.11y | |
Semi-major axis (a) | 0.43a | |
| Eccentricity (e) | 0.507 | |
Inclination (i) | 110.1° | |
Longitude of periastron (ω) | 133° | |
| Node (Ω) | 303.2° | |
Notes | | |
Reference | Tok2021c | |
| Equinox | 2000 | |
Last observation | 2020 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
290.0 |
0.293 |
| 2001 |
289.0 |
0.282 |
| 2002 |
288.0 |
0.271 |
| 2003 |
286.9 |
0.259 |
| 2004 |
285.6 |
0.247 |
| 2005 |
284.3 |
0.235 |
| 2006 |
282.8 |
0.223 |
| 2007 |
281.1 |
0.210 |
| 2008 |
279.2 |
0.197 |
| 2009 |
277.0 |
0.184 |
| 2010 |
274.5 |
0.171 |
| 2011 |
271.6 |
0.158 |
| 2012 |
268.2 |
0.146 |
| 2013 |
264.1 |
0.133 |
| 2014 |
259.2 |
0.121 |
| 2015 |
253.2 |
0.109 |
| 2016 |
245.9 |
0.099 |
| 2017 |
237.0 |
0.090 |
| 2018 |
226.5 |
0.084 |
| 2019 |
214.7 |
0.080 |
| 2020 |
202.4 |
0.080 |
| 2021 |
190.5 |
0.083 |
| 2022 |
179.8 |
0.089 |
| 2023 |
170.7 |
0.097 |
| 2024 |
163.1 |
0.107 |
| 2025 |
156.9 |
0.118 |
| 2026 |
151.8 |
0.130 |
| 2027 |
147.5 |
0.141 |
| 2028 |
143.8 |
0.153 |
| 2029 |
140.7 |
0.164 |
| 2030 |
137.9 |
0.175 |
|
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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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