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 |
|
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 |
|
Date last |
2021 |
|
Obs |
9 |
|
| Pa first |
20 |
|
Pa last |
23.7 |
|
P.A. Now (θ) |
23.7° |
|
| Sep first |
0.1 |
|
Sep last |
0.11 |
|
Sep. Now (ρ) |
0.11" |
|
| Mag pri |
9.66 |
|
Mag sec |
9.84 |
|
delta mag (ΔM) |
0.18 |
|
Spectral class |
F5 (yellow-white) |
|
| 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 |
|
Constellation |
Sextans |
|
SAO |
137328 |
|
HIP |
49305 |
|
| Tycho2 |
5476-00830-1 |
|
Gaia DR2 |
3772130481697461504 |
|
HD |
87273 |
|
BD |
BD-07 2948 |
|
| Distance |
129.37 |
|
Distance ly |
422 |
|
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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