19294-0703 TOK 4 Aa,Ab
19h 29m 21.36s -07° 02' 38.7" P.A. 174.00 sep 0.0 mag 6.90,8.10 Sp F5I+A3-4V dist. 275.48 pc (898.62 l.y.)
| Coord 2000 |
19294-0703 |
|
Discov num |
TOK 4 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
19 29 21.36 -07 02 38.7 |
|
| Date first |
1989 |
|
Date last |
1990 |
|
Obs |
3 |
|
| Pa first |
166 |
|
Pa last |
174.3 |
|
P.A. Now (θ) |
174.3° |
|
| Sep first |
0.0 |
|
Sep last |
0.046 |
|
Sep. Now (ρ) |
0.046" |
|
| Mag pri |
6.90 |
|
Mag sec |
8.10 |
|
delta mag (ΔM) |
1.2 |
|
Spectral class |
F5I+A3-4V (yellow-white/white) |
|
| Pri motion ra |
-001 |
|
Sec motion ra |
|
|
| Pri motion dec |
-009 |
|
Sec motion dec |
|
|
| Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
19294-0703 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
143454 |
19 29 21 -07 02 39 |
GAA 17 Aa1,2 |
2016 |
3 |
202 |
0.0 |
4.60 |
4.90 |
0.30 |
|
|
| Show |
|
143454 |
19 29 21 -07 02 39 |
TOK 4 Aa,Ab |
1990 |
3 |
174 |
0.0 |
6.90 |
8.10 |
1.20 |
Y |
<=== |
| Show |
U Aql |
143454 |
19 29 21 -07 02 39 |
KUI 91 AB |
2018 |
13 |
225 |
1.6 |
6.60 |
12.50 |
5.90 |
|
|
| Show |
|
143454 |
19 29 21 -07 02 39 |
HJ 887 AC |
2001 |
7 |
347 |
34.7 |
6.37 |
14.00 |
7.63 |
|
|
Quintuple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Var name |
U Aql |
|
Constellation |
Aquila |
|
SAO |
143454 |
|
HIP |
95820 |
|
| Tycho2 |
5143-01372-1 |
|
Gaia DR2 |
4207681367143932800 |
|
HD |
183344 |
|
HR |
7402 |
|
| GC |
26905 |
|
ADS |
12503 |
|
BD |
BD-07 4968 |
|
Distance |
275.48 |
|
| Distance ly |
898.62 |
|
ORBITAL ELEMENTS
| Period (P) | 1831.4d (5.01y) | ± 6.5 |
Periastron (T) | 57575.3d (2016.512y) | ± 8.4 |
Semi-major axis (a) | 0.01006a | ± 0.16 |
| Eccentricity (e) | 0.193 | ± 0.005 |
Inclination (i) | 115.4° | ± 0.7 |
Longitude of periastron (ω) | 167.1° | ± 1.9 |
| Node (Ω) | 133.8° | ± 4.4 |
Notes | n | |
Reference | GaA2019b | |
| Equinox | | |
Last observation | 2016 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000-01-01 |
112.7 |
0.009 |
| 2001-01-01 |
352.4 |
0.005 |
| 2002-01-01 |
292.8 |
0.007 |
| 2003-01-01 |
175.3 |
0.006 |
| 2004-01-01 |
138.9 |
0.012 |
| 2005-01-01 |
113.3 |
0.009 |
| 2006-01-01 |
354.0 |
0.005 |
| 2007-01-01 |
293.7 |
0.007 |
| 2008-01-01 |
176.4 |
0.006 |
| 2009-01-01 |
139.2 |
0.012 |
| 2010-01-01 |
113.8 |
0.009 |
| 2011-01-01 |
355.7 |
0.005 |
| 2012-01-01 |
294.6 |
0.007 |
| 2013-01-01 |
177.5 |
0.006 |
| 2014-01-01 |
139.5 |
0.012 |
| 2015-01-01 |
114.4 |
0.009 |
| 2016-01-01 |
357.5 |
0.005 |
| 2017-01-01 |
295.4 |
0.007 |
| 2018-01-01 |
178.6 |
0.006 |
| 2019-01-01 |
139.8 |
0.012 |
| 2020-01-01 |
114.9 |
0.009 |
| 2021-01-01 |
359.3 |
0.005 |
| 2022-01-01 |
296.3 |
0.007 |
| 2023-01-01 |
179.8 |
0.006 |
| 2024-01-01 |
140.2 |
0.012 |
| 2025-01-01 |
115.4 |
0.009 |
| 2026-01-01 |
1.2 |
0.005 |
| 2027-01-01 |
297.1 |
0.007 |
| 2028-01-01 |
181.0 |
0.006 |
| 2029-01-01 |
140.5 |
0.012 |
| 2030-01-01 |
115.9 |
0.009 |
|
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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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