19311+5835 MCA 56 (HD 184467)
19h 31m 07.96s +58° 35' 09.6" P.A. 303.00 sep 0.1 mag 7.02,8.40 Sp K1V dist. 16.96 pc (55.32 l.y.)
Coord 2000 |
19311+5835 |
|
Discov num |
MCA 56 |
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Comp |
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Coord arcsec 2000 |
19 31 07.96 +58 35 09.6 |
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Date first |
1980 |
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Date last |
2020 |
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Obs |
59 |
|
Pa first |
254 |
|
Pa last |
303.1 |
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P.A. Now (θ) |
303.1° |
|
Sep first |
0.1 |
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Sep last |
0.072 |
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Sep. Now (ρ) |
0.072" |
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Mag pri |
7.02 |
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Mag sec |
8.40 |
|
delta mag (ΔM) |
1.38 |
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Spectral class |
K1V (yellow-orange) |
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Pri motion ra |
-508 |
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Sec motion ra |
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Pri motion dec |
-397 |
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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 184467 |
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Constellation |
Draco |
|
SAO |
31745 |
|
HIP |
95995 |
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Tycho2 |
3933-00756-1 |
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HD |
184467 |
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GC |
26996 |
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GL |
Gl 762.1 |
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BD |
BD+58 1929 |
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Distance |
16.96 |
|
Distance ly |
55.32 |
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ORBITAL ELEMENTS
Period (P) | 494.307d | ± 0.012 |
Periastron (T) | 56549.505d (2013.703y) | ± 0.043 |
Semi-major axis (a) | 0.08103a | |
Eccentricity (e) | 0.38933 | ± 0.00029 |
Inclination (i) | 146.15° | ± 0.46 |
Longitude of periastron (ω) | 180.325° | ± 0.041 |
Node (Ω) | 245.72° | ± 0.13 |
Notes | n | |
Reference | Kie2018 | |
Equinox | 2000 | |
Last observation | 2009 | |
Grade | 1 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000-01-01 |
153.0 |
0.056 |
2001-01-01 |
228.6 |
0.106 |
2002-01-01 |
267.9 |
0.102 |
2003-01-01 |
358.6 |
0.052 |
2004-01-01 |
174.9 |
0.065 |
2005-01-01 |
235.4 |
0.110 |
2006-01-01 |
276.1 |
0.095 |
2007-01-01 |
30.5 |
0.049 |
2008-01-01 |
191.3 |
0.075 |
2009-01-01 |
241.9 |
0.112 |
2010-01-01 |
285.8 |
0.087 |
2011-01-01 |
63.4 |
0.049 |
2012-01-01 |
203.7 |
0.085 |
2013-01-01 |
248.2 |
0.112 |
2014-01-01 |
297.8 |
0.077 |
2015-01-01 |
96.2 |
0.049 |
2016-01-01 |
213.7 |
0.094 |
2017-01-01 |
254.7 |
0.111 |
2018-01-01 |
313.4 |
0.067 |
2019-01-01 |
128.3 |
0.051 |
2020-01-01 |
222.0 |
0.101 |
2021-01-01 |
261.4 |
0.107 |
2022-01-01 |
334.6 |
0.057 |
2023-01-01 |
156.0 |
0.057 |
2024-01-01 |
229.4 |
0.107 |
2025-01-01 |
268.8 |
0.102 |
2026-01-01 |
2.3 |
0.051 |
2027-01-01 |
177.2 |
0.066 |
2028-01-01 |
236.2 |
0.111 |
2029-01-01 |
277.1 |
0.094 |
2030-01-01 |
34.5 |
0.049 |
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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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