01498-3824 HDO 186 AB
01h 49m 48.86s -38° 24' 10.0" P.A. 227.00 sep 97.9 mag 6.37,13.50 Sp F8V dist. 27.35 pc (89.22 l.y.)
Coord 2000 |
01498-3824 |
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Discov num |
HDO 186 |
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Comp |
AB |
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Coord arcsec 2000 |
01 49 48.86 -38 24 10.0 |
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Date first |
1837 |
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Date last |
2013 |
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Obs |
6 |
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Pa first |
71 |
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Pa last |
226.8 |
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P.A. Now (θ) |
226.8° |
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Sep first |
20.3 |
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Sep last |
97.921 |
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Sep. Now (ρ) |
97.921" |
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Mag pri |
6.37 |
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Mag sec |
13.50 |
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delta mag (ΔM) |
7.13 |
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Spectral class |
F8V (yellow-white) |
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Pri motion ra |
+002 |
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Sec motion ra |
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Pri motion dec |
+276 |
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Sec motion dec |
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Notes |
N
W
(See Notes, ) |
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Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Fornax |
|
SAO |
193326 |
|
HIP |
8514 |
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Tycho2 |
7543-01262-1 |
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HD |
11262 |
|
HR |
535 |
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GC |
2219 |
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CD |
CD-39 553 |
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CP |
CP-39 149 |
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Distance |
27.35 |
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Distance ly |
89.22 |
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SUSPECTED ORBITAL ELEMENTS
Identifier | 01498-3824 GC 2219 |
coord_arcsec_2000 | 014948.86-382412.5 |
Period (P) | 1122.3937d (3.07y) | ± 99.3663 |
Periastron (T) | 48401.3828d (1991.394y) | ± 18.0819 |
Semi-major axis (a) | 11.95m | ± 0.97 |
Eccentricity (e) | 0 | |
Inclination (i) | 106.34° | ± 5.21 |
Longitude of periastron (ω) | 0° | |
Node (Ω) | 79° | ± 3.78 |
Notes | n | |
Reference | HIP1997d | |
Equinox | | |
Last observation | 1991 | |
Grade | 9 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000-01-01 |
119.6 |
0.005 |
2001-01-01 |
63.1 |
0.009 |
2002-01-01 |
264.1 |
0.011 |
2003-01-01 |
137.9 |
0.004 |
2004-01-01 |
67.1 |
0.010 |
2005-01-01 |
266.8 |
0.011 |
2006-01-01 |
165.2 |
0.003 |
2007-01-01 |
70.4 |
0.011 |
2008-01-01 |
270.0 |
0.010 |
2009-01-01 |
194.0 |
0.004 |
2010-01-01 |
73.3 |
0.011 |
2011-01-01 |
273.8 |
0.009 |
2012-01-01 |
214.6 |
0.005 |
2013-01-01 |
75.8 |
0.012 |
2014-01-01 |
278.6 |
0.008 |
2015-01-01 |
227.4 |
0.006 |
2016-01-01 |
78.3 |
0.012 |
2017-01-01 |
285.2 |
0.007 |
2018-01-01 |
235.7 |
0.007 |
2019-01-01 |
80.7 |
0.012 |
2020-01-01 |
295.0 |
0.005 |
2021-01-01 |
241.5 |
0.008 |
2022-01-01 |
83.2 |
0.012 |
2023-01-01 |
310.5 |
0.004 |
2024-01-01 |
245.8 |
0.009 |
2025-01-01 |
85.8 |
0.011 |
2026-01-01 |
334.9 |
0.003 |
2027-01-01 |
249.3 |
0.010 |
2028-01-01 |
88.8 |
0.010 |
2029-01-01 |
4.6 |
0.003 |
2030-01-01 |
252.3 |
0.011 |
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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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