03454-2752 BU 1003 (HD 23588)
03h 45m 24.12s -27° 51' 44.9" P.A. 259.00 sep 1.4 mag 8.39,11.12 Sp K5V+M3V dist. 21.57 pc (70.36 l.y.)
Coord 2000 |
03454-2752 |
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Discov num |
BU 1003 |
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Comp |
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Coord arcsec 2000 |
03 45 24.12 -27 51 44.9 |
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Date first |
1881 |
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Date last |
2018 |
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Obs |
23 |
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Pa first |
21 |
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Pa last |
259.4 |
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P.A. Now (θ) |
259.4° |
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Sep first |
2.7 |
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Sep last |
1.415 |
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Sep. Now (ρ) |
1.415" |
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Mag pri |
8.39 |
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Mag sec |
11.12 |
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delta mag (ΔM) |
2.73 |
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Spectral class |
K5V+M3V (yellow-orange/red) |
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Pri motion ra |
+296 |
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Sec motion ra |
+261 |
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Pri motion dec |
+146 |
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Sec motion dec |
+117 |
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Notes |
N
O
(See Notes, Orbital solution) |
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rPM=0.138 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 23588 |
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Constellation |
Fornax |
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SAO |
168807 |
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HIP |
17544 |
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Tycho2 |
6454-00169-1 |
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Gaia DR2 |
5080543413171184640 |
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HD |
23588 |
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ADS |
2756 |
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GL |
Gl 154.1A |
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CD |
CD-28 1276 |
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Distance |
21.57 |
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Distance ly |
70.36 |
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ORBITAL ELEMENTS
Period (P) | 286.34y | ± 4.83 |
Periastron (T) | 1997.42y | ± 3.95 |
Semi-major axis (a) | 2.145a | ± 0.092 |
Eccentricity (e) | 0.479 | ± 0.107 |
Inclination (i) | 34.7° | ± 4 |
Longitude of periastron (ω) | 101.7° | ± 9.8 |
Node (Ω) | 81.7° | ± 3.6 |
Notes | n | |
Reference | Cve2008a | |
Equinox | 2000 | |
Last observation | 2001 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
198.0 |
0.955 |
2001 |
202.6 |
0.971 |
2002 |
206.9 |
0.989 |
2003 |
211.1 |
1.010 |
2004 |
215.1 |
1.033 |
2005 |
218.9 |
1.057 |
2006 |
222.6 |
1.083 |
2007 |
226.0 |
1.109 |
2008 |
229.4 |
1.137 |
2009 |
232.5 |
1.165 |
2010 |
235.5 |
1.194 |
2011 |
238.4 |
1.222 |
2012 |
241.1 |
1.251 |
2013 |
243.7 |
1.280 |
2014 |
246.2 |
1.309 |
2015 |
248.6 |
1.337 |
2016 |
250.9 |
1.365 |
2017 |
253.1 |
1.392 |
2018 |
255.2 |
1.419 |
2019 |
257.2 |
1.446 |
2020 |
259.2 |
1.472 |
2021 |
261.1 |
1.498 |
2022 |
262.9 |
1.523 |
2023 |
264.7 |
1.547 |
2024 |
266.4 |
1.571 |
2025 |
268.0 |
1.595 |
2026 |
269.7 |
1.618 |
2027 |
271.2 |
1.640 |
2028 |
272.8 |
1.662 |
2029 |
274.3 |
1.683 |
2030 |
275.7 |
1.704 |
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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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