15332-2429 SEE 238Ba,Bb

 
 
15h 33m 08.94s -24 29' 20.9" P.A. 136.7 sep 0.32 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
2015
Obs
52
Pa first
138
Pa last
132
P.A. Now (θ)
136.7°
Sep first
0.2
Sep last
0.3
Sep. Now (ρ)
0.32"
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_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 183565 15332-2429 CHR 232 Aa,Ab 1996 2015 8 244 0.1 7.20 8.80 1.60 Y
Show 183565 15332-2429 LAL 123 AB 1825 2016 47 302 9.3 6.94 7.00 0.06
Show 183565 15332-2429 SEE 238 Ba,Bb 1897 2015 52 137 0.3 7.00 8.26 1.26 Y <===
Quadruple system
2 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
131.6
Precise sep
0.289
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
last precise pa
131.6
last precise sep
0.289
 
 
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° Note Grade2(1=Definitive, 9=Indet.)
Equinox2000 Last observation2015
label rho theta
2000 0.079 26.7
2001 0.106 51.2
2002 0.130 66.1
2003 0.149 76.8
2004 0.166 85.1
2005 0.181 91.9
2006 0.195 97.7
2007 0.207 102.8
2008 0.219 107.4
2009 0.230 111.5
2010 0.240 115.3
2011 0.249 118.7
2012 0.258 122.0
2013 0.266 125.0
2014 0.274 127.8
2015 0.281 130.5
2016 0.288 133.0
2017 0.295 135.5
2018 0.301 137.8
2019 0.306 140.1
2020 0.312 142.2
2021 0.317 144.3
2022 0.321 146.4
2023 0.325 148.3
2024 0.329 150.3
2025 0.332 152.2
2026 0.335 154.0
2027 0.338 155.8
2028 0.340 157.6
2029 0.342 159.4
2030 0.343 161.2

Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.

grafico orbita





wds15332-2429b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15332-2429 SEE 238 Ba,Bb 1996 47 59 0.1 7.77 7.96 F0V NO 153309.53-242925.2
15332-2429 SEE 238 Ba,Bb 2008 48 175 0.1 7.77 7.96 F0V NO 153309.53-242925.2
15332-2429 SEE 238 Ba,Bb 2012 49 123 0.3 7.77 7.96 F0V NO 153309.53-242925.2
15332-2429 SEE 238 Ba,Bb 2014 51 129 0.3 7.00 8.26 F0V NO 153309.53-242925.2
15332-2429 SEE 238 Ba,Bb 2015 52 132 0.3 7.00 8.26 F0V NO 153309.53-242925.2

If you need more information about this double, apply for a data request form to the WDS.