16536-1045 YSC 156 (HD 152393)
16h 53m 33.98s -10° 45' 12.2" P.A. 81.00 sep 0.1 mag 9.60,10.00 Sp F5 dist. 180.18 pc (587.75 l.y.)
| Coord 2000 |
16536-1045 |
|
Discov num |
YSC 156 |
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Comp |
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Coord arcsec 2000 |
16 53 33.98 -10 45 12.2 |
|
| Date first |
2009 |
|
Date last |
2021 |
|
Obs |
13 |
|
| Pa first |
346 |
|
Pa last |
81 |
|
P.A. Now (θ) |
81° |
|
| Sep first |
0.1 |
|
Sep last |
0.076 |
|
Sep. Now (ρ) |
0.076" |
|
| Mag pri |
9.60 |
|
Mag sec |
10.00 |
|
delta mag (ΔM) |
0.4 |
|
Spectral class |
F5 (yellow-white) |
|
| Pri motion ra |
+059 |
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Sec motion ra |
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| Pri motion dec |
+041 |
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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 152393 |
|
Constellation |
Ophiuchus |
|
SAO |
160148 |
|
HIP |
82642 |
|
| Tycho2 |
5646-00547-1 |
|
Gaia DR2 |
4334384654714206336 |
|
HD |
152393 |
|
BD |
BD-10 4403 |
|
| Distance |
180.18 |
|
Distance ly |
587.75 |
|
ORBITAL ELEMENTS
| Period (P) | 23.36y | |
Periastron (T) | 2023.93y | |
Semi-major axis (a) | 0.089a | |
| Eccentricity (e) | 0.5 | |
Inclination (i) | 10° | |
Longitude of periastron (ω) | 100° | |
| Node (Ω) | 81.6° | |
Notes | | |
Reference | Tok2020g | |
| Equinox | 2000 | |
Last observation | 2020 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
151.8 |
0.046 |
| 2001 |
204.6 |
0.045 |
| 2002 |
247.3 |
0.055 |
| 2003 |
274.8 |
0.069 |
| 2004 |
293.2 |
0.082 |
| 2005 |
306.8 |
0.093 |
| 2006 |
317.5 |
0.103 |
| 2007 |
326.5 |
0.112 |
| 2008 |
334.3 |
0.119 |
| 2009 |
341.4 |
0.124 |
| 2010 |
348.0 |
0.128 |
| 2011 |
354.2 |
0.130 |
| 2012 |
0.2 |
0.131 |
| 2013 |
6.3 |
0.131 |
| 2014 |
12.4 |
0.130 |
| 2015 |
18.7 |
0.127 |
| 2016 |
25.5 |
0.122 |
| 2017 |
32.8 |
0.116 |
| 2018 |
41.1 |
0.108 |
| 2019 |
50.7 |
0.099 |
| 2020 |
62.6 |
0.088 |
| 2021 |
78.1 |
0.076 |
| 2022 |
100.4 |
0.062 |
| 2023 |
135.1 |
0.049 |
| 2024 |
185.5 |
0.044 |
| 2025 |
233.9 |
0.051 |
| 2026 |
266.2 |
0.064 |
| 2027 |
287.3 |
0.077 |
| 2028 |
302.3 |
0.089 |
| 2029 |
313.9 |
0.100 |
| 2030 |
323.4 |
0.109 |
|
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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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