08542-0229 A 1754 (HD 76119)
08h 54m 10.97s -02° 28' 36.9" P.A. 128.00 sep 0.4 mag 9.90,10.00 Sp F8
Coord 2000 |
08542-0229 |
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Discov num |
A 1754 |
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Comp |
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Coord arcsec 2000 |
08 54 10.97 -02 28 36.9 |
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Date first |
1908 |
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Date last |
2012 |
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Obs |
18 |
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Pa first |
113 |
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Pa last |
128 |
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P.A. Now (θ) |
128° |
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Sep first |
0.5 |
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Sep last |
0.374 |
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Sep. Now (ρ) |
0.374" |
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Mag pri |
9.90 |
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Mag sec |
10.00 |
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delta mag (ΔM) |
0.1 |
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Spectral class |
F8 (yellow-white) |
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Pri motion ra |
-015 |
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Sec motion ra |
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Pri motion dec |
-017 |
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Sec motion dec |
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Notes |
O
(Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 76119 |
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Constellation |
Hydra |
|
SAO |
136385 |
|
Tycho2 |
4869-00072-1 |
|
Gaia DR2 |
5763621368479318400 |
|
HD |
76119 |
|
ADS |
7077 |
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ORBITAL ELEMENTS
Period (P) | 452y | |
Periastron (T) | 1975.1y | |
Semi-major axis (a) | 0.53a | |
Eccentricity (e) | 0.51 | |
Inclination (i) | 46° | |
Longitude of periastron (ω) | 292° | |
Node (Ω) | 115.8° | |
Notes | | |
Reference | Hrt2010a | |
Equinox | 2000 | |
Last observation | 2009 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
111.5 |
0.315 |
2001 |
112.9 |
0.320 |
2002 |
114.2 |
0.324 |
2003 |
115.4 |
0.328 |
2004 |
116.6 |
0.332 |
2005 |
117.8 |
0.336 |
2006 |
119.0 |
0.340 |
2007 |
120.2 |
0.343 |
2008 |
121.3 |
0.347 |
2009 |
122.4 |
0.350 |
2010 |
123.5 |
0.354 |
2011 |
124.5 |
0.357 |
2012 |
125.6 |
0.360 |
2013 |
126.6 |
0.363 |
2014 |
127.6 |
0.366 |
2015 |
128.6 |
0.369 |
2016 |
129.5 |
0.372 |
2017 |
130.5 |
0.375 |
2018 |
131.4 |
0.378 |
2019 |
132.4 |
0.380 |
2020 |
133.3 |
0.383 |
2021 |
134.2 |
0.385 |
2022 |
135.1 |
0.387 |
2023 |
136.0 |
0.390 |
2024 |
136.9 |
0.392 |
2025 |
137.7 |
0.394 |
2026 |
138.6 |
0.396 |
2027 |
139.4 |
0.398 |
2028 |
140.3 |
0.400 |
2029 |
141.1 |
0.402 |
2030 |
141.9 |
0.404 |
2031 |
142.7 |
0.406 |
2032 |
143.5 |
0.407 |
2033 |
144.3 |
0.409 |
2034 |
145.1 |
0.411 |
2035 |
145.9 |
0.413 |
2036 |
146.7 |
0.414 |
2037 |
147.5 |
0.416 |
2038 |
148.3 |
0.417 |
2039 |
149.0 |
0.419 |
2040 |
149.8 |
0.420 |
2041 |
150.5 |
0.422 |
2042 |
151.3 |
0.423 |
2043 |
152.0 |
0.424 |
2044 |
152.8 |
0.426 |
2045 |
153.5 |
0.427 |
2046 |
154.2 |
0.428 |
2047 |
155.0 |
0.429 |
2048 |
155.7 |
0.431 |
2049 |
156.4 |
0.432 |
2050 |
157.1 |
0.433 |
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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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