13175-4033 I 425 (HD 115370)
13h 17m 28.71s -40° 32' 38.9" P.A. 11.00 sep 0.2 mag 9.90,10.05 Sp G8V dist. 62.85 pc (205.02 l.y.)
Coord 2000 |
13175-4033 |
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Discov num |
I 425 |
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Comp |
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Coord arcsec 2000 |
13 17 28.71 -40 32 38.9 |
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Date first |
1902 |
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Date last |
2019 |
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Obs |
16 |
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Pa first |
320 |
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Pa last |
11 |
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P.A. Now (θ) |
11° |
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Sep first |
1.1 |
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Sep last |
0.182 |
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Sep. Now (ρ) |
0.182" |
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Mag pri |
9.90 |
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Mag sec |
10.05 |
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delta mag (ΔM) |
0.15 |
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Spectral class |
G8V (yellow) |
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Pri motion ra |
-038 |
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Sec motion ra |
-038 |
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Pri motion dec |
-085 |
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Sec motion dec |
-085 |
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Notes |
C
(Has orbit and linear solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 115370 |
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Constellation |
Centaurus |
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SAO |
224038 |
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HIP |
64835 |
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Tycho2 |
7778-00668-1 |
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Gaia DR2 |
6138160619976665728 |
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HD |
115370 |
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CD |
CD-39 8157 |
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CP |
CP-39 5930 |
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Distance |
62.85 |
|
Distance ly |
205.02 |
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ORBITAL ELEMENTS
Period (P) | 250y | |
Periastron (T) | 2050.086y | |
Semi-major axis (a) | 0.754a | |
Eccentricity (e) | 0.75 | |
Inclination (i) | 77.2° | |
Longitude of periastron (ω) | 39.7° | |
Node (Ω) | 129.9° | |
Notes | n | |
Reference | Tok2018e | |
Equinox | 2000 | |
Last observation | 2018 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
339.0 |
0.408 |
2001 |
339.8 |
0.396 |
2002 |
340.6 |
0.384 |
2003 |
341.4 |
0.372 |
2004 |
342.3 |
0.360 |
2005 |
343.2 |
0.348 |
2006 |
344.3 |
0.336 |
2007 |
345.4 |
0.324 |
2008 |
346.6 |
0.312 |
2009 |
347.8 |
0.300 |
2010 |
349.2 |
0.288 |
2011 |
350.7 |
0.276 |
2012 |
352.4 |
0.264 |
2013 |
354.2 |
0.252 |
2014 |
356.2 |
0.240 |
2015 |
358.4 |
0.229 |
2016 |
0.8 |
0.218 |
2017 |
3.4 |
0.207 |
2018 |
6.4 |
0.196 |
2019 |
9.7 |
0.186 |
2020 |
13.4 |
0.176 |
2021 |
17.4 |
0.167 |
2022 |
21.9 |
0.159 |
2023 |
26.9 |
0.152 |
2024 |
32.3 |
0.146 |
2025 |
38.1 |
0.141 |
2026 |
44.2 |
0.138 |
2027 |
50.6 |
0.136 |
2028 |
57.1 |
0.136 |
2029 |
63.6 |
0.137 |
2030 |
69.8 |
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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