11221-2447 BOD   1Ba,Bb

 
 
11H 22M 05.34S -24 46' 39.5" P.A. 300 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
2001
Obs
11
Pa first
315
Pa last
300
P.A. Now (θ)
300°
Sep first
0.0
Sep last
0.0
Sep. Now (ρ)
0"
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_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 179815 11221-2447 GRE 3 Aa,Ab 1990 1990 0 0.2 9.59
Show TV Crt 179815 11221-2447 I 507 AB 1909 2015 32 6 0.5 9.59 10.06 0.47 Y
Show 179815 11221-2447 SHY 228 AB,C 1991 1998 3 126 999.9 9.24 8.53 0.71
Show 179815 11221-2447 BOD 1 Ba,Bb 1996 2001 11 300 0.0 10.40 11.50 1.10 Y <===
Sextuple system
4 visible 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
last precise pa
300.4
last precise sep
0.02
 
 
ORBITAL ELEMENTS
 
 
Period (P)314.327d± 0.028 Periastron (T)52481.34m (2002.566y)± 0.22 Semi-major axis (a)23.3m± 2.5
Eccentricity (e)0.7849± 0.0053 Inclination (i)66.8°± 3.2 Longitude of periastron (ω)109.6°± 1.1
Node (Ω)337.6°± 2.4 Note Grade3(1=Definitive, 9=Indet.)
Equinox Last observation2001
label rho theta
2000-01-01 0.007 157.2
2001-01-01 0.012 226.1
2002-01-01 0.016 267.3
2003-01-01 0.021 290.2
2004-01-01 0.024 305.2
2005-01-01 0.022 318.9
2006-01-01 0.003 19.7
2007-01-01 0.012 216.6
2008-01-01 0.015 261.8
2009-01-01 0.020 287.0
2010-01-01 0.024 302.9
2011-01-01 0.023 316.3
2012-01-01 0.010 340.9
2013-01-01 0.011 206.6
2014-01-01 0.014 255.6
2015-01-01 0.019 283.6
2016-01-01 0.023 300.5
2017-01-01 0.024 313.9
2018-01-01 0.015 332.6
2019-01-01 0.011 196.1
2020-01-01 0.014 248.8
2021-01-01 0.018 279.8
2022-01-01 0.023 297.9
2023-01-01 0.024 311.6
2024-01-01 0.018 327.7
2025-01-01 0.011 184.9
2026-01-01 0.013 241.2
2027-01-01 0.018 275.7
2028-01-01 0.022 295.3
2029-01-01 0.024 309.3
2030-01-01 0.020 324.0

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

grafico orbita





grafico misure orbit6
Measures: green=micrometric, blue=interferometric, purple=photographic