03442-6448 TOK 191 Aa,Ab
03h 44m 11.98s -64° 48' 24.8" P.A. 147.00 sep 0.1 mag 4.00,6.80 Sp K1-2III dist. 29.86 pc (97.4 l.y.)
| Coord 2000 |
03442-6448 |
|
Discov num |
TOK 191 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
03 44 11.98 -64 48 24.8 |
|
| Date first |
2011 |
|
Date last |
2019 |
|
Obs |
6 |
|
| Pa first |
26 |
|
Pa last |
147.1 |
|
P.A. Now (θ) |
147.1° |
|
| Sep first |
0.1 |
|
Sep last |
0.066 |
|
Sep. Now (ρ) |
0.066" |
|
| Mag pri |
4.00 |
|
Mag sec |
6.80 |
|
delta mag (ΔM) |
2.8 |
|
Spectral class |
K1-2III (yellow-orange) |
|
| Pri motion ra |
+311 |
|
Sec motion ra |
|
|
| Pri motion dec |
+084 |
|
Sec motion dec |
|
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
03442-6448 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
248877 |
03 44 12 -64 48 25 |
TOK 191 Aa,Ab |
2019 |
6 |
147 |
0.1 |
4.00 |
6.80 |
2.80 |
Y |
<=== |
| Show |
Bet Ret |
248877 |
03 44 12 -64 48 25 |
LDS 104 AB |
2015 |
7 |
95 |
999.9 |
3.96 |
7.93 |
3.97 |
|
|
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Reticulum |
|
SAO |
248877 |
|
HIP |
17440 |
|
Tycho2 |
8870-01385-1 |
|
| Gaia DR2 |
4672726716408826240 |
|
HD |
23817 |
|
HR |
1175 |
|
GC |
4517 |
|
| GL |
Gl 154.2 |
|
CP |
CP-65 263 |
|
Bayer |
Beta Reticuli |
|
Bayer name |
Bet Ret |
|
| FK5 |
141 |
|
Distance |
29.86 |
|
Distance ly |
97.4 |
|
Bayer greek |
β Ret |
|
ORBITAL ELEMENTS
| Period (P) | 1911.5d (5.23y) | |
Periastron (T) | 48872.4805d (1992.684y) | ± 18.5393 |
Semi-major axis (a) | 27.1m | ± 2.5 |
| Eccentricity (e) | 0.21 | |
Inclination (i) | 82.85° | ± 3.36 |
Longitude of periastron (ω) | 13.8° | |
| Node (Ω) | 22.39° | ± 6.82 |
Notes | n | |
Reference | HIP1997d | |
| Equinox | | |
Last observation | 1991 | |
Grade | 9 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000-01-01 |
201.0 |
0.031 |
| 2001-01-01 |
207.5 |
0.026 |
| 2002-01-01 |
296.4 |
0.003 |
| 2003-01-01 |
22.1 |
0.022 |
| 2004-01-01 |
149.0 |
0.004 |
| 2005-01-01 |
199.4 |
0.029 |
| 2006-01-01 |
205.6 |
0.030 |
| 2007-01-01 |
228.5 |
0.008 |
| 2008-01-01 |
18.8 |
0.020 |
| 2009-01-01 |
48.6 |
0.006 |
| 2010-01-01 |
197.4 |
0.025 |
| 2011-01-01 |
204.1 |
0.032 |
| 2012-01-01 |
215.8 |
0.014 |
| 2013-01-01 |
14.4 |
0.016 |
| 2014-01-01 |
32.0 |
0.013 |
| 2015-01-01 |
194.4 |
0.019 |
| 2016-01-01 |
202.8 |
0.033 |
| 2017-01-01 |
210.9 |
0.020 |
| 2018-01-01 |
5.4 |
0.010 |
| 2019-01-01 |
26.5 |
0.019 |
| 2020-01-01 |
188.6 |
0.013 |
| 2021-01-01 |
201.4 |
0.032 |
| 2022-01-01 |
208.1 |
0.025 |
| 2023-01-01 |
327.3 |
0.004 |
| 2024-01-01 |
23.0 |
0.021 |
| 2025-01-01 |
168.1 |
0.006 |
| 2026-01-01 |
199.9 |
0.030 |
| 2027-01-01 |
206.1 |
0.029 |
| 2028-01-01 |
237.0 |
0.006 |
| 2029-01-01 |
19.8 |
0.021 |
| 2030-01-01 |
62.4 |
0.005 |
|
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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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