19377-4128 VOU 34 (HD 184732)
19h 37m 39.38s -41° 27' 29.5" P.A. 314.00 sep 0.2 mag 8.67,8.34 Sp F3IV dist. 146.41 pc (477.59 l.y.)
| Coord 2000 |
19377-4128 |
|
Discov num |
VOU 34 |
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Comp |
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Coord arcsec 2000 |
19 37 39.38 -41 27 29.5 |
|
| Date first |
1936 |
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Date last |
2018 |
|
Obs |
15 |
|
| Pa first |
134 |
|
Pa last |
313.8 |
|
P.A. Now (θ) |
309.8° |
|
| Sep first |
0.2 |
|
Sep last |
0.166 |
|
Sep. Now (ρ) |
0.138" |
|
| Mag pri |
8.67 |
|
Mag sec |
8.34 |
|
delta mag (ΔM) |
0.33 |
|
Spectral class |
F3IV (yellow-white) |
|
| Pri motion ra |
+017 |
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Sec motion ra |
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| Pri motion dec |
-036 |
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Sec motion dec |
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| Notes |
O
(Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 184732 |
|
Constellation |
Sagittarius |
|
SAO |
229780 |
|
HIP |
96545 |
|
| Tycho2 |
7940-01738-1 |
|
Gaia DR2 |
6689237192146529280 |
|
HD |
184732 |
|
GC |
27106 |
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| CD |
CD-4113605 |
|
CP |
CP-41 9146 |
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Distance |
146.41 |
|
Distance ly |
477.59 |
|
ORBITAL ELEMENTS
| Period (P) | 55y | ± 6.8 |
Periastron (T) | 2003.75y | ± 4.4 |
Semi-major axis (a) | 0.1642a | ± 0.0045 |
| Eccentricity (e) | 0.02 | ± 0.12 |
Inclination (i) | 96.9° | ± 1.1 |
Longitude of periastron (ω) | 86° | ± 29.4 |
| Node (Ω) | 134.4° | ± 0.6 |
Notes | | |
Reference | Tok2017b | |
| Equinox | 2000 | |
Last observation | | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
122.4 |
0.081 |
| 2001 |
118.4 |
0.065 |
| 2002 |
111.6 |
0.048 |
| 2003 |
97.6 |
0.032 |
| 2004 |
62.9 |
0.020 |
| 2005 |
11.1 |
0.023 |
| 2006 |
345.4 |
0.037 |
| 2007 |
334.6 |
0.053 |
| 2008 |
328.9 |
0.070 |
| 2009 |
325.4 |
0.086 |
| 2010 |
323.0 |
0.102 |
| 2011 |
321.2 |
0.116 |
| 2012 |
319.8 |
0.128 |
| 2013 |
318.6 |
0.139 |
| 2014 |
317.6 |
0.148 |
| 2015 |
316.7 |
0.155 |
| 2016 |
315.8 |
0.160 |
| 2017 |
315.0 |
0.163 |
| 2018 |
314.2 |
0.164 |
| 2019 |
313.4 |
0.163 |
| 2020 |
312.6 |
0.160 |
| 2021 |
311.8 |
0.155 |
| 2022 |
310.8 |
0.148 |
| 2023 |
309.8 |
0.138 |
| 2024 |
308.6 |
0.128 |
| 2025 |
307.2 |
0.116 |
| 2026 |
305.4 |
0.102 |
| 2027 |
303.0 |
0.087 |
| 2028 |
299.6 |
0.072 |
| 2029 |
294.3 |
0.056 |
| 2030 |
284.6 |
0.040 |
| 2031 |
263.5 |
0.026 |
| 2032 |
218.4 |
0.020 |
| 2033 |
178.7 |
0.029 |
| 2034 |
161.3 |
0.043 |
| 2035 |
153.0 |
0.059 |
| 2036 |
148.3 |
0.075 |
| 2037 |
145.2 |
0.091 |
| 2038 |
143.0 |
0.105 |
| 2039 |
141.3 |
0.118 |
| 2040 |
139.9 |
0.130 |
| 2041 |
138.7 |
0.141 |
| 2042 |
137.7 |
0.149 |
| 2043 |
136.8 |
0.156 |
| 2044 |
136.0 |
0.161 |
| 2045 |
135.2 |
0.163 |
| 2046 |
134.4 |
0.164 |
| 2047 |
133.6 |
0.162 |
| 2048 |
132.8 |
0.159 |
| 2049 |
131.9 |
0.153 |
| 2050 |
130.9 |
0.145 |
|
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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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