10161-5954 HU 1597 (HD 89263)
10h 16m 03.26s -59° 54' 12.4" P.A. 182.00 sep 0.3 mag 7.03,7.05 Sp A5V dist. 81.7 pc (266.51 l.y.)
Coord 2000 |
10161-5954 |
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Discov num |
HU 1597 |
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Comp |
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Coord arcsec 2000 |
10 16 03.26 -59 54 12.4 |
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Date first |
1914 |
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Date last |
2018 |
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Obs |
47 |
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Pa first |
116 |
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Pa last |
182.2 |
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P.A. Now (θ) |
201.7° |
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Sep first |
0.3 |
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Sep last |
0.289 |
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Sep. Now (ρ) |
0.303" |
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Mag pri |
7.03 |
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Mag sec |
7.05 |
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delta mag (ΔM) |
0.02 |
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Spectral class |
A5V (white) |
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Pri motion ra |
-041 |
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Sec motion ra |
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Pri motion dec |
+005 |
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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.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 89263 |
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Constellation |
Carina |
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SAO |
237853 |
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HIP |
50287 |
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Tycho2 |
8612-01079-1 |
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HD |
89263 |
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HR |
4043 |
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GC |
14119 |
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CP |
CP-59 2008 |
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Distance |
81.7 |
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Distance ly |
266.51 |
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ORBITAL ELEMENTS
Period (P) | 83.9y | ± 0.65 |
Periastron (T) | 1989.02y | ± 0.35 |
Semi-major axis (a) | 0.365a | ± 0.003 |
Eccentricity (e) | 0.253 | ± 0.006 |
Inclination (i) | 48.8° | ± 0.8 |
Longitude of periastron (ω) | 303.7° | ± 1.4 |
Node (Ω) | 93.4° | ± 1 |
Notes | n | |
Reference | Msn2009 | |
Equinox | 2000 | |
Last observation | 2006 | |
Grade | 2 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
104.7 |
0.311 |
2001 |
108.4 |
0.312 |
2002 |
112.2 |
0.312 |
2003 |
115.9 |
0.311 |
2004 |
119.7 |
0.309 |
2005 |
123.6 |
0.307 |
2006 |
127.5 |
0.304 |
2007 |
131.5 |
0.301 |
2008 |
135.5 |
0.297 |
2009 |
139.7 |
0.294 |
2010 |
144.0 |
0.291 |
2011 |
148.3 |
0.288 |
2012 |
152.8 |
0.285 |
2013 |
157.3 |
0.283 |
2014 |
161.9 |
0.282 |
2015 |
166.5 |
0.281 |
2016 |
171.1 |
0.281 |
2017 |
175.7 |
0.282 |
2018 |
180.3 |
0.283 |
2019 |
184.8 |
0.286 |
2020 |
189.2 |
0.289 |
2021 |
193.5 |
0.293 |
2022 |
197.7 |
0.298 |
2023 |
201.7 |
0.303 |
2024 |
205.6 |
0.309 |
2025 |
209.4 |
0.315 |
2026 |
213.0 |
0.322 |
2027 |
216.4 |
0.328 |
2028 |
219.7 |
0.335 |
2029 |
222.9 |
0.343 |
2030 |
225.9 |
0.350 |
2031 |
228.8 |
0.357 |
2032 |
231.6 |
0.364 |
2033 |
234.3 |
0.371 |
2034 |
237.0 |
0.377 |
2035 |
239.5 |
0.383 |
2036 |
241.9 |
0.389 |
2037 |
244.3 |
0.395 |
2038 |
246.6 |
0.399 |
2039 |
248.9 |
0.404 |
2040 |
251.1 |
0.407 |
2041 |
253.3 |
0.410 |
2042 |
255.4 |
0.412 |
2043 |
257.5 |
0.414 |
2044 |
259.7 |
0.415 |
2045 |
261.8 |
0.414 |
2046 |
263.9 |
0.413 |
2047 |
266.0 |
0.411 |
2048 |
268.2 |
0.408 |
2049 |
270.4 |
0.404 |
2050 |
272.7 |
0.399 |
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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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