17342-1910 B 1863 AB (HD 159190)
17h 34m 09.17s -19° 10' 29.6" P.A. 99.00 sep 0.1 mag 9.00,10.20 Sp F2V dist. 401.61 pc (1310.05 l.y.)
| Coord 2000 |
17342-1910 |
|
Discov num |
B 1863 |
|
Comp |
AB |
|
Coord arcsec 2000 |
17 34 09.17 -19 10 29.6 |
|
| Date first |
1929 |
|
Date last |
2022 |
|
Obs |
14 |
|
| Pa first |
76 |
|
Pa last |
98.7 |
|
P.A. Now (θ) |
98.7° |
|
| Sep first |
0.2 |
|
Sep last |
0.119 |
|
Sep. Now (ρ) |
0.119" |
|
| Mag pri |
9.00 |
|
Mag sec |
10.20 |
|
delta mag (ΔM) |
1.2 |
|
Spectral class |
F2V (yellow-white) |
|
| Pri motion ra |
+014 |
|
Sec motion ra |
|
|
| Pri motion dec |
-001 |
|
Sec motion dec |
|
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
17342-1910 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 159190 |
160645 |
17 34 09 -19 10 30 |
B 1863 AB |
2022 |
14 |
99 |
0.1 |
9.00 |
10.20 |
1.20 |
Y |
<=== |
| Show |
|
160645 |
17 34 09 -19 10 30 |
TOK 418 AC |
2022 |
6 |
138 |
0.2 |
9.00 |
12.60 |
3.60 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 159190 |
|
Constellation |
Ophiuchus |
|
SAO |
160645 |
|
HIP |
85965 |
|
| Tycho2 |
6243-00319-1 |
|
Gaia DR2 |
4121623863431593088 |
|
HD |
159190 |
|
BD |
BD-19 4659 |
|
| Distance |
401.61 |
|
Distance ly |
1310.05 |
|
ORBITAL ELEMENTS
| Period (P) | 117.4y | |
Periastron (T) | 2010.25y | |
Semi-major axis (a) | 0.166a | |
| Eccentricity (e) | 0.9 | |
Inclination (i) | 62.6° | |
Longitude of periastron (ω) | 260° | |
| Node (Ω) | 69.4° | |
Notes | n | |
Reference | Tok2020g | |
| Equinox | 2000 | |
Last observation | 2019 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
196.7 |
0.080 |
| 2001 |
199.4 |
0.077 |
| 2002 |
202.4 |
0.074 |
| 2003 |
205.6 |
0.070 |
| 2004 |
209.3 |
0.067 |
| 2005 |
213.3 |
0.062 |
| 2006 |
218.0 |
0.058 |
| 2007 |
223.7 |
0.052 |
| 2008 |
231.1 |
0.044 |
| 2009 |
242.3 |
0.033 |
| 2010 |
276.6 |
0.013 |
| 2011 |
56.7 |
0.023 |
| 2012 |
72.9 |
0.043 |
| 2013 |
79.8 |
0.057 |
| 2014 |
84.2 |
0.067 |
| 2015 |
87.6 |
0.075 |
| 2016 |
90.3 |
0.083 |
| 2017 |
92.6 |
0.089 |
| 2018 |
94.6 |
0.095 |
| 2019 |
96.4 |
0.100 |
| 2020 |
98.0 |
0.104 |
| 2021 |
99.5 |
0.109 |
| 2022 |
100.9 |
0.112 |
| 2023 |
102.2 |
0.116 |
| 2024 |
103.4 |
0.119 |
| 2025 |
104.6 |
0.122 |
| 2026 |
105.7 |
0.125 |
| 2027 |
106.7 |
0.128 |
| 2028 |
107.7 |
0.130 |
| 2029 |
108.7 |
0.133 |
| 2030 |
109.7 |
0.135 |
| 2031 |
110.6 |
0.137 |
| 2032 |
111.5 |
0.139 |
| 2033 |
112.4 |
0.140 |
| 2034 |
113.2 |
0.142 |
| 2035 |
114.1 |
0.143 |
| 2036 |
114.9 |
0.145 |
| 2037 |
115.7 |
0.146 |
| 2038 |
116.5 |
0.147 |
| 2039 |
117.2 |
0.148 |
| 2040 |
118.0 |
0.149 |
| 2041 |
118.8 |
0.150 |
| 2042 |
119.5 |
0.151 |
| 2043 |
120.2 |
0.152 |
| 2044 |
121.0 |
0.153 |
| 2045 |
121.7 |
0.154 |
| 2046 |
122.4 |
0.154 |
| 2047 |
123.1 |
0.155 |
| 2048 |
123.8 |
0.155 |
| 2049 |
124.5 |
0.156 |
| 2050 |
125.2 |
0.156 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
Measures: green=micrometric, blue=interferometric, purple=photographic
|
|
