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° Notesn ReferenceMsn2017a
Equinox2000 Last observation2015 Grade2(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


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



 
 


wds15332-2429b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic