11418+0508 TOK 896
11h 41m 49.58s +05° 08' 26.5" P.A. 85.00 sep 0.1 mag 9.70,9.90 Sp K4V dist. 30.3 pc (98.84 l.y.)
Coord 2000 |
11418+0508 |
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Discov num |
TOK 896 |
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Comp |
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Coord arcsec 2000 |
11 41 49.58 +05 08 26.5 |
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Date first |
2017 |
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Date last |
2021 |
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Obs |
15 |
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Pa first |
283 |
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Pa last |
84.8 |
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P.A. Now (θ) |
152.2° |
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Sep first |
0.1 |
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Sep last |
0.066 |
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Sep. Now (ρ) |
0.085" |
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Mag pri |
9.70 |
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Mag sec |
9.90 |
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delta mag (ΔM) |
0.2 |
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Spectral class |
K4V (yellow-orange) |
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Pri motion ra |
+231 |
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Sec motion ra |
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Pri motion dec |
-463 |
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Sec motion dec |
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Notes |
O
R
(Orbital solution, Red magnitudes) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Virgo |
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HIP |
57058 |
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Tycho2 |
0278-00150-1 |
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GL |
Gl 435.1 |
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BD |
BD+05 2529 |
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Distance |
30.3 |
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Distance ly |
98.84 |
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ORBITAL ELEMENTS
Period (P) | 3.944y | ± 0.016 |
Periastron (T) | 2017.98y | ± 0.04 |
Semi-major axis (a) | 0.088a | ± 0.002 |
Eccentricity (e) | 0.313 | ± 0.026 |
Inclination (i) | 38° | ± 0 |
Longitude of periastron (ω) | 288.4° | ± 3.9 |
Node (Ω) | 100° | ± 3.8 |
Notes | | |
Reference | Tok2021c | |
Equinox | 2000 | |
Last observation | 2020 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
198.4 |
0.091 |
2001 |
255.5 |
0.099 |
2002 |
347.7 |
0.051 |
2003 |
130.9 |
0.082 |
2004 |
202.0 |
0.091 |
2005 |
258.6 |
0.098 |
2006 |
359.5 |
0.049 |
2007 |
135.3 |
0.083 |
2008 |
205.5 |
0.092 |
2009 |
261.7 |
0.097 |
2010 |
12.1 |
0.048 |
2011 |
139.6 |
0.083 |
2012 |
209.0 |
0.093 |
2013 |
264.8 |
0.096 |
2014 |
24.8 |
0.048 |
2015 |
143.8 |
0.084 |
2016 |
212.4 |
0.094 |
2017 |
268.1 |
0.095 |
2018 |
37.2 |
0.050 |
2019 |
148.0 |
0.084 |
2020 |
215.8 |
0.094 |
2021 |
271.5 |
0.093 |
2022 |
48.7 |
0.052 |
2023 |
152.2 |
0.085 |
2024 |
219.0 |
0.095 |
2025 |
275.0 |
0.091 |
2026 |
59.1 |
0.055 |
2027 |
156.3 |
0.085 |
2028 |
222.3 |
0.096 |
2029 |
278.6 |
0.089 |
2030 |
68.4 |
0.058 |
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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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