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 |
|
Discov num |
WNO 54 |
|
Comp |
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Coord arcsec 2000 |
12 05 50.66 -18 52 30.9 |
|
| Date first |
1954 |
|
Date last |
2015 |
|
Obs |
9 |
|
| Pa first |
342 |
|
Pa last |
342.2 |
|
P.A. Now (θ) |
342.2° |
|
| Sep first |
187.4 |
|
Sep last |
187.774 |
|
Sep. Now (ρ) |
187.774" |
|
| Mag pri |
9.95 |
|
Mag sec |
16.23 |
|
delta mag (ΔM) |
6.28 |
|
Spectral class |
K5V (yellow-orange) |
|
| Pri motion ra |
-021 |
|
Sec motion ra |
-017 |
|
| Pri motion dec |
-317 |
|
Sec motion dec |
-315 |
|
| Notes |
N
V
(See Notes, Proper motion indicates physical) |
|
rPM=0.014 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Corvus |
|
HIP |
59000 |
|
Tycho2 |
6098-00193-1 |
|
Gaia DR2 |
3518916943846357376 |
|
| HD |
105065 |
|
GL |
Gl 455.1 |
|
BD |
BD-18 3319 |
|
Distance |
22 |
|
| Distance ly |
71.76 |
|
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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