11221-2447 I   507AB (TV Crt)

 
 
11H 22M 05.29S -24 46' 39.8" P.A. 6 SEP 0.46 MAG 9.59,10.06 SP K4V DIST. 44.9 PC (146.46 L.Y.)
 
 
Coord 2000
11221-2447
Discov num
I   507
Comp
AB
Coord arcsec 2000
11 22 05.29 -24 46 39.8
Date first
1909
Date last
2015
Obs
32
Pa first
190
Pa last
6
P.A. Now (θ)
Sep first
1.0
Sep last
0.6
Sep. Now (ρ)
0.46"
Mag pri
9.59
Mag sec
10.06
delta mag (ΔM)
0.47
Spectral class
K4V (yellow-orange)
Pri motion ra
-092
Sec motion ra
-092
Pri motion dec
-031
Sec motion dec
-031
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
5.7
last precise sep
0.571
 
 
ORBITAL ELEMENTS
 
 
Period (P)214y Periastron (T)2023.1y Semi-major axis (a)1.03a
Eccentricity (e)0.4 Inclination (i)88.1° Longitude of periastron (ω)249.1°
Node (Ω)184.2° Note Grade5(1=Definitive, 9=Indet.)
Equinox2000 Last observation2013
label rho theta
2000 0.797 3.8
2001 0.790 3.9
2002 0.783 4.0
2003 0.773 4.1
2004 0.763 4.2
2005 0.750 4.3
2006 0.736 4.3
2007 0.720 4.5
2008 0.703 4.6
2009 0.683 4.7
2010 0.662 4.8
2011 0.639 4.9
2012 0.614 5.1
2013 0.587 5.2
2014 0.559 5.4
2015 0.528 5.6
2016 0.496 5.8
2017 0.462 6.0
2018 0.426 6.3
2019 0.388 6.6
2020 0.350 7.0
2021 0.309 7.5
2022 0.268 8.2
2023 0.226 9.1
2024 0.182 10.4
2025 0.139 12.5
2026 0.095 16.7
2027 0.052 27.8
2028 0.021 88.9
2029 0.048 158.4
2030 0.091 170.8

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