10038-0823 HDS 1454 (HD 87273)
10h 03m 49.96s -08° 23' 08.7" P.A. 24.00 sep 0.1 mag 9.66,9.84 Sp F5 dist. 129.37 pc (422 l.y.)
Coord 2000 |
10038-0823 |
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Discov num |
HDS1454 |
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Comp |
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Coord arcsec 2000 |
10 03 49.96 -08 23 08.7 |
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Date first |
1991 |
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Date last |
2021 |
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Obs |
9 |
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Pa first |
20 |
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Pa last |
23.7 |
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P.A. Now (θ) |
23.7° |
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Sep first |
0.1 |
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Sep last |
0.11 |
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Sep. Now (ρ) |
0.11" |
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Mag pri |
9.66 |
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Mag sec |
9.84 |
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delta mag (ΔM) |
0.18 |
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Spectral class |
F5 (yellow-white) |
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Pri motion ra |
-011 |
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Sec motion ra |
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Pri motion dec |
-007 |
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Sec motion dec |
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Notes |
O
(Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 87273 |
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Constellation |
Sextans |
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SAO |
137328 |
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HIP |
49305 |
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Tycho2 |
5476-00830-1 |
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Gaia DR2 |
3772130481697461504 |
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HD |
87273 |
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BD |
BD-07 2948 |
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Distance |
129.37 |
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Distance ly |
422 |
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ORBITAL ELEMENTS
Period (P) | 32.74y | |
Periastron (T) | 2010.6y | |
Semi-major axis (a) | 0.087a | |
Eccentricity (e) | 0.7 | |
Inclination (i) | 124.8° | |
Longitude of periastron (ω) | 334.6° | |
Node (Ω) | 177.9° | |
Notes | | |
Reference | Tok2020e | |
Equinox | | |
Last observation | 2019 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
2.9 |
0.134 |
2001 |
0.9 |
0.129 |
2002 |
358.8 |
0.123 |
2003 |
356.5 |
0.116 |
2004 |
353.7 |
0.107 |
2005 |
350.5 |
0.097 |
2006 |
346.4 |
0.084 |
2007 |
340.6 |
0.069 |
2008 |
331.1 |
0.051 |
2009 |
309.9 |
0.031 |
2010 |
239.5 |
0.019 |
2011 |
173.4 |
0.028 |
2012 |
133.1 |
0.030 |
2013 |
97.7 |
0.034 |
2014 |
73.4 |
0.042 |
2015 |
58.4 |
0.053 |
2016 |
48.5 |
0.065 |
2017 |
41.5 |
0.075 |
2018 |
36.3 |
0.086 |
2019 |
32.1 |
0.095 |
2020 |
28.7 |
0.103 |
2021 |
25.7 |
0.111 |
2022 |
23.1 |
0.118 |
2023 |
20.8 |
0.124 |
2024 |
18.7 |
0.129 |
2025 |
16.7 |
0.133 |
2026 |
14.8 |
0.136 |
2027 |
13.0 |
0.138 |
2028 |
11.3 |
0.140 |
2029 |
9.5 |
0.140 |
2030 |
7.8 |
0.140 |
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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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