15332-2429 CHR 232 Aa,Ab
15h 33m 09.52s -24° 29' 25.6" P.A. 207.00 sep 0.1 mag 7.20,8.80 Sp A7+F8 dist. 96.71 pc (315.47 l.y.)
Coord 2000 |
15332-2429 |
|
Discov num |
CHR 232 |
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Comp |
Aa,Ab |
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Coord arcsec 2000 |
15 33 09.52 -24 29 25.6 |
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Date first |
1996 |
|
Date last |
2021 |
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Obs |
13 |
|
Pa first |
178 |
|
Pa last |
207 |
|
P.A. Now (θ) |
192.6° |
|
Sep first |
0.1 |
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Sep last |
0.124 |
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Sep. Now (ρ) |
0.117" |
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Mag pri |
7.20 |
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Mag sec |
8.80 |
|
delta mag (ΔM) |
1.6 |
|
Spectral class |
A7+F8 (white/yellow-white) |
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Pri motion ra |
-030 |
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Sec motion ra |
|
|
Pri motion dec |
-037 |
|
Sec motion dec |
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Notes |
N
O
(See Notes, Orbital solution) |
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This double is physical.
15332-2429 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
183567 |
15 33 10 -24 29 26 |
CHR 232 Aa,Ab |
2021 |
13 |
207 |
0.1 |
7.20 |
8.80 |
1.60 |
Y |
<=== |
Show |
HD 138488 |
183567 |
15 33 10 -24 29 26 |
LAL 123 AB |
2016 |
47 |
302 |
9.3 |
6.94 |
7.00 |
0.06 |
|
|
Show |
|
183565 |
15 33 09 -24 29 21 |
SEE 238 Ba,Bb |
2021 |
56 |
144 |
0.3 |
7.00 |
8.26 |
1.26 |
Y |
|
Quadruple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Libra |
|
SAO |
183567 |
|
HIP |
76143 |
|
Tycho2 |
6768-01536-1 |
|
Gaia DR2 |
6238804592922052224 |
|
HD |
138488 |
|
HR |
5765 |
|
ADS |
9689 |
|
CD |
CD-2412155 |
|
Distance |
96.71 |
|
Distance ly |
315.47 |
|
ORBITAL ELEMENTS
Period (P) | 16.468y | ± 0.194 |
Periastron (T) | 2011.536y | ± 0.064 |
Semi-major axis (a) | 0.0933a | ± 0.0019 |
Eccentricity (e) | 0.419 | ± 0.009 |
Inclination (i) | 123.9° | ± 0.9 |
Longitude of periastron (ω) | 321.6° | ± 2.6 |
Node (Ω) | 10.4° | ± 1.9 |
Notes | n | |
Reference | Tok2016e | |
Equinox | 2000 | |
Last observation | | |
Grade | 3 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
252.9 |
0.071 |
2001 |
236.8 |
0.085 |
2002 |
225.3 |
0.099 |
2003 |
216.6 |
0.111 |
2004 |
209.3 |
0.119 |
2005 |
202.7 |
0.122 |
2006 |
196.2 |
0.121 |
2007 |
189.2 |
0.113 |
2008 |
180.5 |
0.098 |
2009 |
167.4 |
0.074 |
2010 |
138.8 |
0.045 |
2011 |
65.9 |
0.036 |
2012 |
17.0 |
0.055 |
2013 |
349.5 |
0.060 |
2014 |
321.2 |
0.056 |
2015 |
290.0 |
0.056 |
2016 |
262.8 |
0.065 |
2017 |
243.6 |
0.078 |
2018 |
230.3 |
0.093 |
2019 |
220.4 |
0.106 |
2020 |
212.6 |
0.115 |
2021 |
205.7 |
0.121 |
2022 |
199.2 |
0.122 |
2023 |
192.6 |
0.117 |
2024 |
184.9 |
0.106 |
2025 |
174.5 |
0.086 |
2026 |
155.7 |
0.059 |
2027 |
104.6 |
0.034 |
2028 |
34.4 |
0.046 |
2029 |
1.8 |
0.060 |
2030 |
335.0 |
0.058 |
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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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