11221-2447 BOD 1 Ba,Bb

 
 
11h 22m 05.34s -24° 46' 39.5" P.A. 281.00 sep 0.0 mag 10.40,11.50 Sp K4V+... dist. 44.9 pc (146.46 l.y.)
 
 
Coord 2000 11221-2447 Discov num BOD   1 Comp Ba,Bb Coord arcsec 2000 11 22 05.34 -24 46 39.5
Date first 1996 Date last 2019 Obs 15
Pa first 315 Pa last 280.9 P.A. Now (θ) 280.9°
Sep first 0.0 Sep last 0.018 Sep. Now (ρ) 0.018"
Mag pri 10.40 Mag sec 11.50 delta mag (ΔM) 1.1 Spectral class K4V+... (yellow-orange)
Pri motion ra -092 Sec motion ra
Pri motion dec -031 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
11221-2447 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 11 22 05 -24 46 40 GRE 3 Aa,Ab 2021 8 6 0.0 6.10 7.20 1.10 Y
Show 179815 11 22 05 -24 46 40 I 507 AB 2021 42 7 0.3 9.59 10.06 0.47 Y
Show TV Crt 11 22 05 -24 46 40 SHY 228 AB,C 1998 3 126 999.9 9.24 8.53 0.71
Show 179815 11 22 05 -24 46 40 BOD 1 Ba,Bb 2019 15 281 0.0 10.40 11.50 1.10 Y <===
Sextuple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name TV Crt Constellation Crater SAO 179815 HIP 55505
Tycho2 6654-00219-1 HD 98800 ADS 8141 GL GJ 2084A
CD CD-24 9706 CP CP-24 4651 Distance 44.9 Distance ly 146.46
 
 
ORBITAL ELEMENTS
 
 
Period (P)314.86d± 0.02 Periastron (T)48707.5m (1992.234y)± 0.2 Semi-major axis (a)22.2m± 0.4
Eccentricity (e)0.805± 0.005 Inclination (i)66.3°± 0.5 Longitude of periastron (ω)104.5°± 0.3
Node (Ω)342.7°± 0.4 Notesn ReferenceVI_2021b
Equinox Last observation2019 Grade2(1=Definitive, 9=Indet.)
label theta rho
2000-01-01 149.1 0.004
2001-01-01 221.5 0.012
2002-01-01 259.2 0.015
2003-01-01 284.1 0.018
2004-01-01 301.5 0.021
2005-01-01 316.8 0.020
2006-01-01 344.8 0.009
2007-01-01 209.8 0.012
2008-01-01 251.1 0.014
2009-01-01 278.8 0.017
2010-01-01 297.5 0.020
2011-01-01 312.9 0.021
2012-01-01 332.6 0.015
2013-01-01 197.0 0.011
2014-01-01 242.2 0.013
2015-01-01 273.0 0.017
2016-01-01 293.4 0.020
2017-01-01 309.1 0.021
2018-01-01 326.0 0.018
2019-01-01 181.8 0.010
2020-01-01 232.3 0.013
2021-01-01 266.5 0.016
2022-01-01 288.9 0.019
2023-01-01 305.4 0.021
2024-01-01 321.1 0.019
2025-01-01 149.8 0.004
2026-01-01 221.6 0.012
2027-01-01 259.3 0.015
2028-01-01 284.1 0.018
2029-01-01 301.5 0.021
2030-01-01 316.9 0.020


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



 
 


wds11221-2447e.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic