17062-3838 SEE 318 (HD 154287)
17h 06m 11.92s -38° 37' 30.6" P.A. 356.00 sep 1.1 mag 8.36,8.65 Sp F3V dist. 97.28 pc (317.33 l.y.)
Coord 2000 |
17062-3838 |
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Discov num |
SEE 318 |
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Comp |
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Coord arcsec 2000 |
17 06 11.92 -38 37 30.6 |
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Date first |
1897 |
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Date last |
2021 |
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Obs |
32 |
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Pa first |
235 |
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Pa last |
355.6 |
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P.A. Now (θ) |
355.6° |
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Sep first |
0.3 |
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Sep last |
1.105 |
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Sep. Now (ρ) |
1.105" |
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Mag pri |
8.36 |
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Mag sec |
8.65 |
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delta mag (ΔM) |
0.29 |
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Spectral class |
F3V (yellow-white) |
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Pri motion ra |
-009 |
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Sec motion ra |
-009 |
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Pri motion dec |
-071 |
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Sec motion dec |
-071 |
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Notes |
O
(Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 154287 |
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Constellation |
Scorpius |
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SAO |
208399 |
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HIP |
83687 |
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Tycho2 |
7869-02390-1 |
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Gaia DR2 |
5973263910533577856 |
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HD |
154287 |
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CD |
CD-3811541 |
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CP |
CP-38 6679 |
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Distance |
97.28 |
|
Distance ly |
317.33 |
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ORBITAL ELEMENTS
Period (P) | 483.3999y | ± 424.1922 |
Periastron (T) | 2064.1128y | ± 25.9266 |
Semi-major axis (a) | 2.23585a | ± 2.1384 |
Eccentricity (e) | 0.7685 | ± 0.19951 |
Inclination (i) | 82.115° | ± 5.462 |
Longitude of periastron (ω) | 76.174° | ± 22.292 |
Node (Ω) | 6.16° | ± 3.879 |
Notes | | |
Reference | Izm2019 | |
Equinox | | |
Last observation | 2015 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
349.7 |
1.003 |
2001 |
350.0 |
1.009 |
2002 |
350.3 |
1.014 |
2003 |
350.6 |
1.020 |
2004 |
350.9 |
1.026 |
2005 |
351.2 |
1.031 |
2006 |
351.5 |
1.036 |
2007 |
351.8 |
1.041 |
2008 |
352.1 |
1.046 |
2009 |
352.4 |
1.050 |
2010 |
352.7 |
1.055 |
2011 |
353.0 |
1.059 |
2012 |
353.3 |
1.063 |
2013 |
353.6 |
1.067 |
2014 |
353.9 |
1.071 |
2015 |
354.2 |
1.074 |
2016 |
354.5 |
1.077 |
2017 |
354.7 |
1.080 |
2018 |
355.0 |
1.082 |
2019 |
355.3 |
1.085 |
2020 |
355.6 |
1.087 |
2021 |
355.9 |
1.088 |
2022 |
356.1 |
1.090 |
2023 |
356.4 |
1.090 |
2024 |
356.7 |
1.091 |
2025 |
357.0 |
1.091 |
2026 |
357.2 |
1.091 |
2027 |
357.5 |
1.090 |
2028 |
357.8 |
1.089 |
2029 |
358.1 |
1.087 |
2030 |
358.3 |
1.085 |
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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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