19029-5413 I 1390 (HD 176353)
19h 02m 52.64s -54° 12' 29.5" P.A. 257.00 sep 0.2 mag 9.64,9.20 Sp G0V dist. 88.18 pc (287.64 l.y.)
| Coord 2000 |
19029-5413 |
|
Discov num |
I 1390 |
|
Comp |
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Coord arcsec 2000 |
19 02 52.64 -54 12 29.5 |
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| Date first |
1925 |
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Date last |
2019 |
|
Obs |
19 |
|
| Pa first |
252 |
|
Pa last |
257.3 |
|
P.A. Now (θ) |
83.3° |
|
| Sep first |
0.3 |
|
Sep last |
0.235 |
|
Sep. Now (ρ) |
0.257" |
|
| Mag pri |
9.64 |
|
Mag sec |
9.20 |
|
delta mag (ΔM) |
0.44 |
|
Spectral class |
G0V (yellow) |
|
| Pri motion ra |
-008 |
|
Sec motion ra |
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|
| Pri motion dec |
-067 |
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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 176353 |
|
Constellation |
Telescopium |
|
SAO |
245878 |
|
HIP |
93524 |
|
| Tycho2 |
8759-01775-1 |
|
Gaia DR2 |
6644315923039747968 |
|
HD |
176353 |
|
CP |
CP-54 9221 |
|
| Distance |
88.18 |
|
Distance ly |
287.64 |
|
ORBITAL ELEMENTS
| Period (P) | 47.6y | ± 1.8 |
Periastron (T) | 2009.434y | ± 0.047 |
Semi-major axis (a) | 0.185a | ± 0.004 |
| Eccentricity (e) | 0.666 | ± 0.01 |
Inclination (i) | 58.6° | ± 1.4 |
Longitude of periastron (ω) | 220.7° | ± 1.5 |
| Node (Ω) | 73.8° | ± 1 |
Notes | | |
Reference | Tok2019c | |
| Equinox | | |
Last observation | 2018 | |
Grade | 2 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
139.8 |
0.124 |
| 2001 |
147.0 |
0.112 |
| 2002 |
155.8 |
0.102 |
| 2003 |
166.5 |
0.093 |
| 2004 |
179.2 |
0.086 |
| 2005 |
193.7 |
0.081 |
| 2006 |
209.3 |
0.079 |
| 2007 |
225.6 |
0.078 |
| 2008 |
242.6 |
0.074 |
| 2009 |
264.1 |
0.061 |
| 2010 |
306.6 |
0.039 |
| 2011 |
13.0 |
0.046 |
| 2012 |
41.8 |
0.077 |
| 2013 |
53.9 |
0.108 |
| 2014 |
60.7 |
0.135 |
| 2015 |
65.4 |
0.158 |
| 2016 |
69.0 |
0.179 |
| 2017 |
71.8 |
0.196 |
| 2018 |
74.3 |
0.211 |
| 2019 |
76.4 |
0.224 |
| 2020 |
78.3 |
0.234 |
| 2021 |
80.1 |
0.243 |
| 2022 |
81.7 |
0.251 |
| 2023 |
83.3 |
0.257 |
| 2024 |
84.8 |
0.262 |
| 2025 |
86.2 |
0.265 |
| 2026 |
87.6 |
0.268 |
| 2027 |
89.0 |
0.269 |
| 2028 |
90.4 |
0.269 |
| 2029 |
91.8 |
0.269 |
| 2030 |
93.2 |
0.267 |
| 2031 |
94.6 |
0.265 |
| 2032 |
96.1 |
0.261 |
| 2033 |
97.6 |
0.257 |
| 2034 |
99.1 |
0.252 |
| 2035 |
100.7 |
0.246 |
| 2036 |
102.4 |
0.240 |
| 2037 |
104.2 |
0.233 |
| 2038 |
106.2 |
0.225 |
| 2039 |
108.2 |
0.217 |
| 2040 |
110.5 |
0.207 |
| 2041 |
112.9 |
0.198 |
| 2042 |
115.6 |
0.188 |
| 2043 |
118.7 |
0.177 |
| 2044 |
122.1 |
0.166 |
| 2045 |
126.0 |
0.154 |
| 2046 |
130.6 |
0.142 |
| 2047 |
136.0 |
0.131 |
| 2048 |
142.5 |
0.119 |
| 2049 |
150.3 |
0.108 |
| 2050 |
159.9 |
0.098 |
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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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