22034-5647 VLK 1 Ba,Bb
22h 04m 10.52s -56° 46' 57.8" P.A. 127.00 sep 0.5 mag 24.10,26.60 Sp T1+T6
| Coord 2000 |
22034-5647 |
|
Discov num |
VLK 1 |
|
Comp |
Ba,Bb |
|
Coord arcsec 2000 |
22 04 10.52 -56 46 57.8 |
|
| Date first |
2003 |
|
Date last |
2013 |
|
Obs |
43 |
|
| Pa first |
140 |
|
Pa last |
126.8 |
|
P.A. Now (θ) |
126.8° |
|
| Sep first |
0.6 |
|
Sep last |
0.479 |
|
Sep. Now (ρ) |
0.479" |
|
| Mag pri |
24.10 |
|
Mag sec |
26.60 |
|
delta mag (ΔM) |
2.5 |
|
Spectral class |
T1+T6 (brown dwarf/brown dwarf) |
|
| Pri motion ra |
+396 |
|
Sec motion ra |
+396 |
|
| Pri motion dec |
-251 |
|
Sec motion dec |
-251 |
|
| Notes |
N
O
P
(See Notes, Orbital solution, 100-year proper motion) |
|
This double is physical.
22034-5647 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
Eps Ind |
247287 |
22 03 22 -56 47 09 |
SOZ 1 AB |
2010 |
2 |
88 |
403.1 |
4.83 |
24.00 |
19.17 |
|
|
| Show |
|
|
22 04 11 -56 46 58 |
VLK 1 Ba,Bb |
2013 |
43 |
127 |
0.5 |
24.10 |
26.60 |
2.50 |
Y |
<=== |
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
ORBITAL ELEMENTS
| Period (P) | 11.2y | ± 0.5 |
Periastron (T) | 2010.1y | ± 0.6 |
Semi-major axis (a) | 0.67a | ± 0.03 |
| Eccentricity (e) | 0.53 | ± 0.03 |
Inclination (i) | 102.8° | ± 0.7 |
Longitude of periastron (ω) | ° | |
| Node (Ω) | ° | |
Notes | n | |
Reference | Mcg2009 | |
| Equinox | | |
Last observation | 2008 | |
Grade | 7 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
248.9 |
0.119 |
| 2001 |
195.7 |
0.461 |
| 2002 |
188.0 |
0.743 |
| 2003 |
184.1 |
0.925 |
| 2004 |
181.3 |
1.014 |
| 2005 |
178.7 |
1.014 |
| 2006 |
175.9 |
0.925 |
| 2007 |
172.0 |
0.743 |
| 2008 |
164.3 |
0.461 |
| 2009 |
111.1 |
0.119 |
| 2010 |
2.8 |
0.311 |
| 2011 |
294.3 |
0.111 |
| 2012 |
198.7 |
0.393 |
| 2013 |
189.1 |
0.695 |
| 2014 |
184.8 |
0.896 |
| 2015 |
181.8 |
1.003 |
| 2016 |
179.2 |
1.021 |
| 2017 |
176.5 |
0.950 |
| 2018 |
172.9 |
0.787 |
| 2019 |
166.5 |
0.526 |
| 2020 |
137.7 |
0.176 |
| 2021 |
8.9 |
0.278 |
| 2022 |
326.8 |
0.158 |
| 2023 |
203.0 |
0.321 |
| 2024 |
190.3 |
0.643 |
| 2025 |
185.5 |
0.864 |
| 2026 |
182.4 |
0.989 |
| 2027 |
179.7 |
1.025 |
| 2028 |
177.1 |
0.972 |
| 2029 |
173.7 |
0.828 |
| 2030 |
168.3 |
0.586 |
|
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Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
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