15332-2429 SEE 238 Ba,Bb
15h 33m 08.94s -24° 29' 20.9" P.A. 144.00 sep 0.3 mag 7.00,8.26 Sp F0V dist. 96.71 pc (315.47 l.y.)
Coord 2000 |
15332-2429 |
|
Discov num |
SEE 238 |
|
Comp |
Ba,Bb |
|
Coord arcsec 2000 |
15 33 08.94 -24 29 20.9 |
|
Date first |
1897 |
|
Date last |
2021 |
|
Obs |
56 |
|
Pa first |
138 |
|
Pa last |
143.8 |
|
P.A. Now (θ) |
148.3° |
|
Sep first |
0.2 |
|
Sep last |
0.332 |
|
Sep. Now (ρ) |
0.325" |
|
Mag pri |
7.00 |
|
Mag sec |
8.26 |
|
delta mag (ΔM) |
1.26 |
|
Spectral class |
F0V (yellow-white) |
|
Pri motion ra |
-033 |
|
Sec motion ra |
|
|
Pri motion dec |
-016 |
|
Sec motion dec |
|
|
Notes |
N
O
(See Notes, Orbital solution) |
|
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 |
183565 |
|
HIP |
76143 |
|
Tycho2 |
6768-01534-1 |
|
HD |
138488 |
|
HR |
5765 |
|
ADS |
9689 |
|
CD |
CD-2412155 |
|
Distance |
96.71 |
|
Distance ly |
315.47 |
|
ORBITAL ELEMENTS
Period (P) | 61.13y | |
Periastron (T) | 1999.03y | |
Semi-major axis (a) | 0.255a | |
Eccentricity (e) | 0.711 | |
Inclination (i) | 39.8° | |
Longitude of periastron (ω) | 104.8° | |
Node (Ω) | 231.5° | |
Notes | n | |
Reference | Msn2017a | |
Equinox | 2000 | |
Last observation | 2015 | |
Grade | 2 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
26.7 |
0.079 |
2001 |
51.2 |
0.106 |
2002 |
66.1 |
0.130 |
2003 |
76.8 |
0.149 |
2004 |
85.1 |
0.166 |
2005 |
91.9 |
0.181 |
2006 |
97.7 |
0.195 |
2007 |
102.8 |
0.207 |
2008 |
107.4 |
0.219 |
2009 |
111.5 |
0.230 |
2010 |
115.3 |
0.240 |
2011 |
118.7 |
0.249 |
2012 |
122.0 |
0.258 |
2013 |
125.0 |
0.266 |
2014 |
127.8 |
0.274 |
2015 |
130.5 |
0.281 |
2016 |
133.0 |
0.288 |
2017 |
135.5 |
0.295 |
2018 |
137.8 |
0.301 |
2019 |
140.1 |
0.306 |
2020 |
142.2 |
0.312 |
2021 |
144.3 |
0.317 |
2022 |
146.4 |
0.321 |
2023 |
148.3 |
0.325 |
2024 |
150.3 |
0.329 |
2025 |
152.2 |
0.332 |
2026 |
154.0 |
0.335 |
2027 |
155.8 |
0.338 |
2028 |
157.6 |
0.340 |
2029 |
159.4 |
0.342 |
2030 |
161.2 |
0.343 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|