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 |
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Discov num |
YSC 156 |
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Comp |
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Coord arcsec 2000 |
16 53 33.98 -10 45 12.2 |
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Date first |
2009 |
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Date last |
2021 |
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Obs |
13 |
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Pa first |
346 |
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Pa last |
81 |
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P.A. Now (θ) |
81° |
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Sep first |
0.1 |
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Sep last |
0.076 |
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Sep. Now (ρ) |
0.076" |
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Mag pri |
9.60 |
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Mag sec |
10.00 |
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delta mag (ΔM) |
0.4 |
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Spectral class |
F5 (yellow-white) |
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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 |
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Constellation |
Ophiuchus |
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SAO |
160148 |
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HIP |
82642 |
|
Tycho2 |
5646-00547-1 |
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Gaia DR2 |
4334384654714206336 |
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HD |
152393 |
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BD |
BD-10 4403 |
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Distance |
180.18 |
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Distance ly |
587.75 |
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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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