19598-0957 HO 276 AB
19h 59m 47.49s -09° 57' 26.2" P.A. 89.00 sep 0.2 mag 6.22,7.83 Sp F8V dist. 22.2 pc (72.42 l.y.)
| Coord 2000 |
19598-0957 |
|
Discov num |
HO 276 |
|
Comp |
AB |
|
Coord arcsec 2000 |
19 59 47.49 -09 57 26.2 |
|
| Date first |
1961 |
|
Date last |
2023 |
|
Obs |
65 |
|
| Pa first |
136 |
|
Pa last |
89.1 |
|
P.A. Now (θ) |
109.2° |
|
| Sep first |
0.2 |
|
Sep last |
0.216 |
|
Sep. Now (ρ) |
0.239" |
|
| Mag pri |
6.22 |
|
Mag sec |
7.83 |
|
delta mag (ΔM) |
1.61 |
|
Spectral class |
F8V (yellow-white) |
|
| Pri motion ra |
-276 |
|
Sec motion ra |
|
|
| Pri motion dec |
-401 |
|
Sec motion dec |
|
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
19598-0957 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
163168 |
19 59 47 -09 57 26 |
HO 276 AB |
2023 |
65 |
89 |
0.2 |
6.22 |
7.83 |
1.61 |
Y |
<=== |
| Show |
HD 189340 |
163168 |
19 59 47 -09 57 26 |
HLA 22 AC |
2016 |
2 |
296 |
10.3 |
4.40 |
7.83 |
3.43 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Aquila |
|
SAO |
163168 |
|
HIP |
98416 |
|
Tycho2 |
5742-01060-1 |
|
| HD |
189340 |
|
HR |
7637 |
|
GC |
27689 |
|
BD |
BD-10 5238 |
|
| Distance |
22.2 |
|
Distance ly |
72.42 |
|
ORBITAL ELEMENTS
| Period (P) | 4.8705y | ± 0.003 |
Periastron (T) | 2026.623j | ± 0.001 |
Semi-major axis (a) | 0.1518a | ± 0.0004 |
| Eccentricity (e) | 0.6015 | ± 0.0035 |
Inclination (i) | 17.32° | ± 1.5 |
Longitude of periastron (ω) | 132.15° | ± 8 |
| Node (Ω) | 154.19° | ± 8 |
Notes | n | |
Reference | Doc2023d | |
| Equinox | 2000 | |
Last observation | 2019 | |
Grade | 1 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
111.5 |
0.237 |
| 2001 |
137.5 |
0.201 |
| 2002 |
207.2 |
0.083 |
| 2003 |
51.4 |
0.143 |
| 2004 |
90.4 |
0.220 |
| 2005 |
114.5 |
0.236 |
| 2006 |
141.9 |
0.191 |
| 2007 |
238.2 |
0.066 |
| 2008 |
59.0 |
0.157 |
| 2009 |
93.8 |
0.225 |
| 2010 |
117.5 |
0.234 |
| 2011 |
146.8 |
0.179 |
| 2012 |
283.4 |
0.059 |
| 2013 |
65.3 |
0.169 |
| 2014 |
97.1 |
0.229 |
| 2015 |
120.6 |
0.231 |
| 2016 |
152.4 |
0.166 |
| 2017 |
327.7 |
0.067 |
| 2018 |
70.8 |
0.181 |
| 2019 |
100.2 |
0.233 |
| 2020 |
123.9 |
0.226 |
| 2021 |
159.1 |
0.152 |
| 2022 |
358.8 |
0.082 |
| 2023 |
75.7 |
0.191 |
| 2024 |
103.3 |
0.235 |
| 2025 |
127.2 |
0.221 |
| 2026 |
167.2 |
0.136 |
| 2027 |
19.5 |
0.099 |
| 2028 |
80.1 |
0.200 |
| 2029 |
106.3 |
0.237 |
| 2030 |
130.8 |
0.215 |
| 2031 |
177.8 |
0.118 |
| 2032 |
34.0 |
0.116 |
| 2033 |
84.1 |
0.208 |
| 2034 |
109.3 |
0.237 |
| 2035 |
134.6 |
0.207 |
| 2036 |
192.3 |
0.098 |
| 2037 |
45.0 |
0.132 |
| 2038 |
87.9 |
0.215 |
| 2039 |
112.3 |
0.237 |
| 2040 |
138.7 |
0.198 |
| 2041 |
214.4 |
0.078 |
| 2042 |
53.7 |
0.147 |
| 2043 |
91.4 |
0.221 |
| 2044 |
115.3 |
0.235 |
| 2045 |
143.2 |
0.188 |
| 2046 |
249.6 |
0.063 |
| 2047 |
60.8 |
0.160 |
| 2048 |
94.7 |
0.226 |
| 2049 |
118.4 |
0.233 |
| 2050 |
148.3 |
0.176 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
Measures: green=micrometric, blue=interferometric, purple=photographic
|
|
