19294-4057 B 1385 (HD 183023)
19h 29m 23.89s -40° 56' 45.2" P.A. 152.00 sep 0.2 mag 8.20,8.30 Sp F5V
| Coord 2000 |
19294-4057 |
|
Discov num |
B 1385 |
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Comp |
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Coord arcsec 2000 |
19 29 23.89 -40 56 45.2 |
|
| Date first |
1930 |
|
Date last |
2021 |
|
Obs |
11 |
|
| Pa first |
311 |
|
Pa last |
152.2 |
|
P.A. Now (θ) |
160.9° |
|
| Sep first |
0.2 |
|
Sep last |
0.157 |
|
Sep. Now (ρ) |
0.153" |
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| Mag pri |
8.20 |
|
Mag sec |
8.30 |
|
delta mag (ΔM) |
0.1 |
|
Spectral class |
F5V (yellow-white) |
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| Pri motion ra |
+026 |
|
Sec motion ra |
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|
| Pri motion dec |
-045 |
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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 183023 |
|
Constellation |
Sagittarius |
|
SAO |
229713 |
|
Tycho2 |
7935-00737-1 |
|
| Gaia DR2 |
6737471049270009728 |
|
HD |
183023 |
|
DM |
CP-41 9111 |
|
ORBITAL ELEMENTS
| Period (P) | 58.3y | |
Periastron (T) | 1985.629y | |
Semi-major axis (a) | 0.185a | |
| Eccentricity (e) | 0 | |
Inclination (i) | 46.9° | |
Longitude of periastron (ω) | 0° | |
| Node (Ω) | 301° | |
Notes | n | |
Reference | Tok2018e | |
| Equinox | 2000 | |
Last observation | 2018 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
29.2 |
0.126 |
| 2001 |
38.2 |
0.127 |
| 2002 |
47.0 |
0.129 |
| 2003 |
55.5 |
0.133 |
| 2004 |
63.4 |
0.137 |
| 2005 |
70.8 |
0.143 |
| 2006 |
77.5 |
0.149 |
| 2007 |
83.8 |
0.155 |
| 2008 |
89.5 |
0.162 |
| 2009 |
94.9 |
0.167 |
| 2010 |
99.9 |
0.173 |
| 2011 |
104.6 |
0.177 |
| 2012 |
109.1 |
0.181 |
| 2013 |
113.4 |
0.183 |
| 2014 |
117.7 |
0.185 |
| 2015 |
121.9 |
0.185 |
| 2016 |
126.2 |
0.184 |
| 2017 |
130.5 |
0.182 |
| 2018 |
134.9 |
0.179 |
| 2019 |
139.5 |
0.175 |
| 2020 |
144.3 |
0.170 |
| 2021 |
149.5 |
0.165 |
| 2022 |
155.0 |
0.159 |
| 2023 |
160.9 |
0.153 |
| 2024 |
167.4 |
0.146 |
| 2025 |
174.4 |
0.140 |
| 2026 |
182.0 |
0.135 |
| 2027 |
190.2 |
0.131 |
| 2028 |
198.9 |
0.128 |
| 2029 |
207.8 |
0.127 |
| 2030 |
216.8 |
0.127 |
| 2031 |
225.7 |
0.129 |
| 2032 |
234.2 |
0.132 |
| 2033 |
242.2 |
0.137 |
| 2034 |
249.7 |
0.142 |
| 2035 |
256.6 |
0.148 |
| 2036 |
262.9 |
0.154 |
| 2037 |
268.7 |
0.161 |
| 2038 |
274.1 |
0.167 |
| 2039 |
279.1 |
0.172 |
| 2040 |
283.9 |
0.176 |
| 2041 |
288.4 |
0.180 |
| 2042 |
292.8 |
0.183 |
| 2043 |
297.1 |
0.185 |
| 2044 |
301.3 |
0.185 |
| 2045 |
305.5 |
0.184 |
| 2046 |
309.8 |
0.183 |
| 2047 |
314.2 |
0.180 |
| 2048 |
318.8 |
0.176 |
| 2049 |
323.6 |
0.171 |
| 2050 |
328.7 |
0.166 |
|
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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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