16195-3054 TOK 410 Ba,Bb
16h 19m 31.48s -30° 54' 06.9" P.A. 304.00 sep 0.0 mag 7.20,8.30 Sp F9V dist. 212.31 pc (692.56 l.y.)
Coord 2000 |
16195-3054 |
|
Discov num |
TOK 410 |
|
Comp |
Ba,Bb |
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Coord arcsec 2000 |
16 19 31.48 -30 54 06.9 |
|
Date first |
2014 |
|
Date last |
2022 |
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Obs |
14 |
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Pa first |
85 |
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Pa last |
303.9 |
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P.A. Now (θ) |
303.9° |
|
Sep first |
0.0 |
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Sep last |
0.019 |
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Sep. Now (ρ) |
0.019" |
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Mag pri |
7.20 |
|
Mag sec |
8.30 |
|
delta mag (ΔM) |
1.1 |
|
Spectral class |
F9V (yellow-white) |
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Pri motion ra |
+083 |
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Sec motion ra |
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Pri motion dec |
+027 |
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Sec motion dec |
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Notes |
N
O
(See Notes, Orbital solution) |
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This double is physical.
16195-3054 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 146836 |
207558 |
16 19 33 -30 54 24 |
BSO 12 AB |
2018 |
34 |
318 |
23.6 |
5.55 |
6.88 |
1.33 |
|
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Show |
|
207557 |
16 19 31 -30 54 07 |
TOK 410 Ba,Bb |
2022 |
14 |
304 |
0.0 |
7.20 |
8.30 |
1.10 |
Y |
<=== |
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Scorpius |
|
SAO |
207557 |
|
HIP |
79979 |
|
Tycho2 |
7343-02763-1 |
|
Gaia DR2 |
6037514800213601024 |
|
HD |
146835 |
|
GC |
21940 |
|
CD |
CD-3013040 |
|
Distance |
212.31 |
|
Distance ly |
692.56 |
|
ORBITAL ELEMENTS
Period (P) | 2.965y | ± 0.011 |
Periastron (T) | 2016.679y | ± 0.05 |
Semi-major axis (a) | 0.06a | ± 0.001 |
Eccentricity (e) | 0.629 | ± 0.028 |
Inclination (i) | 81.5° | ± 1.5 |
Longitude of periastron (ω) | 347.7° | ± 6.8 |
Node (Ω) | 105° | ± 1.1 |
Notes | n | |
Reference | Tok2021f | |
Equinox | | |
Last observation | 2021 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
280.9 |
0.084 |
2001 |
286.8 |
0.083 |
2002 |
122.5 |
0.014 |
2003 |
281.1 |
0.086 |
2004 |
287.1 |
0.081 |
2005 |
134.7 |
0.010 |
2006 |
281.4 |
0.087 |
2007 |
287.4 |
0.079 |
2008 |
159.9 |
0.007 |
2009 |
281.6 |
0.089 |
2010 |
287.7 |
0.076 |
2011 |
203.4 |
0.006 |
2012 |
281.8 |
0.090 |
2013 |
288.0 |
0.074 |
2014 |
236.0 |
0.009 |
2015 |
282.0 |
0.091 |
2016 |
288.3 |
0.071 |
2017 |
251.5 |
0.013 |
2018 |
282.2 |
0.092 |
2019 |
288.7 |
0.068 |
2020 |
259.4 |
0.017 |
2021 |
282.4 |
0.093 |
2022 |
289.1 |
0.065 |
2023 |
264.2 |
0.022 |
2024 |
282.6 |
0.094 |
2025 |
289.5 |
0.061 |
2026 |
267.3 |
0.026 |
2027 |
282.8 |
0.095 |
2028 |
290.0 |
0.058 |
2029 |
269.6 |
0.030 |
2030 |
283.0 |
0.095 |
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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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