19296-1239 HU 75 (HD 183347)
19h 29m 37.86s -12° 38' 48.1" P.A. 180.00 sep 0.4 mag 7.09,9.15 Sp F5IV-V dist. 65.06 pc (212.23 l.y.)
| Coord 2000 |
19296-1239 |
|
Discov num |
HU 75 |
|
Comp |
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|
Coord arcsec 2000 |
19 29 37.86 -12 38 48.1 |
|
| Date first |
1899 |
|
Date last |
2021 |
|
Obs |
55 |
|
| Pa first |
202 |
|
Pa last |
180.2 |
|
P.A. Now (θ) |
184.8° |
|
| Sep first |
0.5 |
|
Sep last |
0.368 |
|
Sep. Now (ρ) |
0.403" |
|
| Mag pri |
7.09 |
|
Mag sec |
9.15 |
|
delta mag (ΔM) |
2.06 |
|
Spectral class |
F5IV-V (yellow-white) |
|
| Pri motion ra |
+104 |
|
Sec motion ra |
+104 |
|
| Pri motion dec |
-036 |
|
Sec motion dec |
-036 |
|
| Notes |
N
O
(See Notes, Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 183347 |
|
Constellation |
Sagittarius |
|
SAO |
162674 |
|
HIP |
95847 |
|
| Tycho2 |
5730-01534-1 |
|
Gaia DR2 |
4186599949666377984 |
|
HD |
183347 |
|
GC |
26913 |
|
| ADS |
12505 |
|
BD |
BD-12 5417 |
|
Distance |
65.06 |
|
Distance ly |
212.23 |
|
ORBITAL ELEMENTS
| Period (P) | 129.67y | ± 2.7 |
Periastron (T) | 2009.47y | ± 0.29 |
Semi-major axis (a) | 0.496a | ± 0.013 |
| Eccentricity (e) | 0.652 | ± 0.012 |
Inclination (i) | 31.5° | ± 3.4 |
Longitude of periastron (ω) | 245.3° | ± 4.7 |
| Node (Ω) | 183.1° | ± 5.9 |
Notes | n | |
Reference | Tok2015c | |
| Equinox | 2000 | |
Last observation | 2014 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
331.9 |
0.309 |
| 2001 |
336.8 |
0.293 |
| 2002 |
342.2 |
0.277 |
| 2003 |
348.3 |
0.260 |
| 2004 |
355.4 |
0.242 |
| 2005 |
3.6 |
0.223 |
| 2006 |
13.2 |
0.204 |
| 2007 |
24.9 |
0.186 |
| 2008 |
39.1 |
0.169 |
| 2009 |
56.0 |
0.156 |
| 2010 |
75.1 |
0.150 |
| 2011 |
94.5 |
0.153 |
| 2012 |
112.1 |
0.165 |
| 2013 |
126.6 |
0.184 |
| 2014 |
138.3 |
0.206 |
| 2015 |
147.7 |
0.230 |
| 2016 |
155.3 |
0.254 |
| 2017 |
161.5 |
0.278 |
| 2018 |
166.8 |
0.301 |
| 2019 |
171.4 |
0.323 |
| 2020 |
175.3 |
0.345 |
| 2021 |
178.8 |
0.365 |
| 2022 |
182.0 |
0.385 |
| 2023 |
184.8 |
0.403 |
| 2024 |
187.4 |
0.421 |
| 2025 |
189.8 |
0.438 |
| 2026 |
192.0 |
0.454 |
| 2027 |
194.1 |
0.470 |
| 2028 |
196.0 |
0.485 |
| 2029 |
197.9 |
0.499 |
| 2030 |
199.6 |
0.512 |
| 2031 |
201.2 |
0.525 |
| 2032 |
202.8 |
0.538 |
| 2033 |
204.3 |
0.549 |
| 2034 |
205.7 |
0.561 |
| 2035 |
207.1 |
0.571 |
| 2036 |
208.4 |
0.582 |
| 2037 |
209.7 |
0.591 |
| 2038 |
211.0 |
0.601 |
| 2039 |
212.2 |
0.610 |
| 2040 |
213.3 |
0.618 |
| 2041 |
214.5 |
0.626 |
| 2042 |
215.6 |
0.634 |
| 2043 |
216.7 |
0.641 |
| 2044 |
217.7 |
0.648 |
| 2045 |
218.8 |
0.655 |
| 2046 |
219.8 |
0.661 |
| 2047 |
220.8 |
0.667 |
| 2048 |
221.8 |
0.673 |
| 2049 |
222.7 |
0.678 |
| 2050 |
223.7 |
0.683 |
|
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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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