05580-5212 HU 1570 (HD 40767)
05h 58m 02.61s -52° 12' 16.3" P.A. 349.00 sep 1.0 mag 9.47,9.66 Sp G8V dist. 61.77 pc (201.49 l.y.)
| Coord 2000 |
05580-5212 |
|
Discov num |
HU 1570 |
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Comp |
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Coord arcsec 2000 |
05 58 02.61 -52 12 16.3 |
|
| Date first |
1914 |
|
Date last |
2016 |
|
Obs |
33 |
|
| Pa first |
37 |
|
Pa last |
348.9 |
|
P.A. Now (θ) |
348.9° |
|
| Sep first |
0.8 |
|
Sep last |
0.98 |
|
Sep. Now (ρ) |
0.98" |
|
| Mag pri |
9.47 |
|
Mag sec |
9.66 |
|
delta mag (ΔM) |
0.19 |
|
Spectral class |
G8V (yellow) |
|
| Pri motion ra |
-031 |
|
Sec motion ra |
-031 |
|
| Pri motion dec |
+053 |
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Sec motion dec |
+053 |
|
| Notes |
O
(Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 40767 |
|
Constellation |
Pictor |
|
SAO |
234227 |
|
HIP |
28240 |
|
| Tycho2 |
8100-00200-1 |
|
Gaia DR2 |
4792422335347676160 |
|
HD |
40767 |
|
CP |
CP-52 814 |
|
| Distance |
61.77 |
|
Distance ly |
201.49 |
|
ORBITAL ELEMENTS
| Period (P) | 221.5y | |
Periastron (T) | 1955.83y | |
Semi-major axis (a) | 0.672a | |
| Eccentricity (e) | 0.748 | |
Inclination (i) | 22.9° | |
Longitude of periastron (ω) | 34° | |
| Node (Ω) | 155° | |
Notes | | |
Reference | Hrt2010a | |
| Equinox | 2000 | |
Last observation | 2008 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
339.7 |
0.857 |
| 2001 |
340.3 |
0.867 |
| 2002 |
340.9 |
0.877 |
| 2003 |
341.5 |
0.886 |
| 2004 |
342.0 |
0.896 |
| 2005 |
342.6 |
0.905 |
| 2006 |
343.1 |
0.914 |
| 2007 |
343.6 |
0.923 |
| 2008 |
344.2 |
0.932 |
| 2009 |
344.7 |
0.940 |
| 2010 |
345.2 |
0.948 |
| 2011 |
345.7 |
0.956 |
| 2012 |
346.2 |
0.964 |
| 2013 |
346.6 |
0.972 |
| 2014 |
347.1 |
0.979 |
| 2015 |
347.6 |
0.986 |
| 2016 |
348.0 |
0.993 |
| 2017 |
348.5 |
1.000 |
| 2018 |
348.9 |
1.007 |
| 2019 |
349.4 |
1.014 |
| 2020 |
349.8 |
1.020 |
| 2021 |
350.2 |
1.026 |
| 2022 |
350.7 |
1.032 |
| 2023 |
351.1 |
1.038 |
| 2024 |
351.5 |
1.044 |
| 2025 |
351.9 |
1.049 |
| 2026 |
352.3 |
1.054 |
| 2027 |
352.7 |
1.060 |
| 2028 |
353.1 |
1.065 |
| 2029 |
353.5 |
1.069 |
| 2030 |
353.9 |
1.074 |
|
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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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