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 |
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Coord arcsec 2000 |
11 22 05.34 -24 46 39.5 |
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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 |
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Notes |
N
O
(See Notes, Orbital solution) |
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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 |
Notes | n | |
Reference | VI_2021b | |
Equinox | | |
Last observation | 2019 | |
Grade | 2 | (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 |
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Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
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Measures: green=micrometric, blue=interferometric, purple=photographic |
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