12058-1853 WNO 54
12h 05m 50.66s -18° 52' 30.9" P.A. 342.00 sep 187.8 mag 9.95,16.23 Sp K5V dist. 22 pc (71.76 l.y.)
Coord 2000 |
12058-1853 |
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Discov num |
WNO 54 |
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Comp |
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Coord arcsec 2000 |
12 05 50.66 -18 52 30.9 |
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Date first |
1954 |
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Date last |
2015 |
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Obs |
9 |
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Pa first |
342 |
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Pa last |
342.2 |
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P.A. Now (θ) |
342.2° |
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Sep first |
187.4 |
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Sep last |
187.774 |
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Sep. Now (ρ) |
187.774" |
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Mag pri |
9.95 |
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Mag sec |
16.23 |
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delta mag (ΔM) |
6.28 |
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Spectral class |
K5V (yellow-orange) |
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Pri motion ra |
-021 |
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Sec motion ra |
-017 |
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Pri motion dec |
-317 |
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Sec motion dec |
-315 |
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Notes |
N
V
(See Notes, Proper motion indicates physical) |
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rPM=0.014 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Corvus |
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HIP |
59000 |
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Tycho2 |
6098-00193-1 |
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Gaia DR2 |
3518916943846357376 |
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HD |
105065 |
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GL |
Gl 455.1 |
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BD |
BD-18 3319 |
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Distance |
22 |
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Distance ly |
71.76 |
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SUSPECTED ORBITAL ELEMENTS
Identifier | 12058-1853 WNO 54 A |
coord_arcsec_2000 | 120550.65-185230.9 |
Period (P) | 1854d (5.08y) | |
Periastron (T) | 48368d (1991.303y) | |
Semi-major axis (a) | 12m | |
Eccentricity (e) | 0.6 | |
Inclination (i) | 74° | |
Longitude of periastron (ω) | 61° | |
Node (Ω) | 53° | |
Notes | | |
Reference | Mkr2008 | |
Equinox | | |
Last observation | | |
Grade | 9 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000-01-01 |
313.8 |
0.005 |
2001-01-01 |
39.8 |
0.007 |
2002-01-01 |
230.5 |
0.010 |
2003-01-01 |
244.8 |
0.014 |
2004-01-01 |
259.6 |
0.010 |
2005-01-01 |
306.2 |
0.005 |
2006-01-01 |
36.0 |
0.007 |
2007-01-01 |
228.4 |
0.009 |
2008-01-01 |
243.9 |
0.014 |
2009-01-01 |
258.0 |
0.011 |
2010-01-01 |
299.3 |
0.005 |
2011-01-01 |
32.1 |
0.006 |
2012-01-01 |
225.7 |
0.007 |
2013-01-01 |
243.0 |
0.014 |
2014-01-01 |
256.6 |
0.011 |
2015-01-01 |
293.3 |
0.006 |
2016-01-01 |
27.8 |
0.006 |
2017-01-01 |
221.8 |
0.006 |
2018-01-01 |
242.1 |
0.014 |
2019-01-01 |
255.3 |
0.012 |
2020-01-01 |
288.1 |
0.006 |
2021-01-01 |
23.0 |
0.006 |
2022-01-01 |
215.3 |
0.004 |
2023-01-01 |
241.2 |
0.014 |
2024-01-01 |
254.0 |
0.012 |
2025-01-01 |
283.5 |
0.006 |
2026-01-01 |
17.8 |
0.006 |
2027-01-01 |
200.4 |
0.003 |
2028-01-01 |
240.3 |
0.014 |
2029-01-01 |
252.8 |
0.012 |
2030-01-01 |
279.4 |
0.007 |
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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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