17157-0949 TOK  53Ba,Bb

 
 
17H 15M 41.08S -09 48' 31.9" P.A. 196 SEP 0.04 MAG 10.40,10.60 SP F9IV DIST. 204.08 PC (665.71 L.Y.)
 
 
Coord 2000
17157-0949
Discov num
TOK  53
Comp
Ba,Bb
Coord arcsec 2000
17 15 41.08 -09 48 31.9
Date first
2009
Date last
2014
Obs
8
Pa first
131
Pa last
147
P.A. Now (θ)
196°
Sep first
0.0
Sep last
0.0
Sep. Now (ρ)
0.04"
Mag pri
10.40
Mag sec
10.60
delta mag (ΔM)
0.2
Spectral class
F9IV (yellow-white)
Pri motion ra
-012
Sec motion ra
Pri motion dec
-021
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
17157-0949 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 17157-0949 A 2592 AB 1913 2015 71 94 0.2 7.15 9.69 2.54 Y
Show 17157-0949 TOK 53 Ba,Bb 2009 2014 8 196 0.0 10.40 10.60 0.20 Y <===
Triple system
2 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Ophiuchus
HIP
84430
Tycho2
5649-00907-1
HD
156034
ADS
10423
BD
BD-09 4525
Distance
204.08
Distance ly
665.71
last precise pa
146.9
last precise sep
0.031
 
 
ORBITAL ELEMENTS
 
 
Period (P)5.1y± 0.18 Periastron (T)2010.25y± 0.52 Semi-major axis (a)0.0305a± 0.0056
Eccentricity (e)0.416± 0.076 Inclination (i)150°± 35 Longitude of periastron (ω)326.3°± 78
Node (Ω)349°± 556 Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation2014
label rho theta
2000 0.017 28.0
2001 0.027 268.6
2002 0.038 218.4
2003 0.042 187.2
2004 0.033 152.1
2005 0.017 46.7
2006 0.025 276.2
2007 0.037 222.1
2008 0.042 190.1
2009 0.035 156.6
2010 0.017 65.2
2011 0.024 284.5
2012 0.036 226.0
2013 0.042 193.1
2014 0.036 160.7
2015 0.018 82.3
2016 0.023 293.7
2017 0.035 230.1
2018 0.042 196.0
2019 0.037 164.5
2020 0.020 97.0
2021 0.022 303.7
2022 0.034 234.4
2023 0.041 199.0
2024 0.038 168.2
2025 0.022 109.3
2026 0.021 314.6
2027 0.033 239.0
2028 0.041 202.0
2029 0.039 171.6
2030 0.024 119.5

Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.

grafico orbita





grafico misure orbit6
Measures: green=micrometric, blue=interferometric, purple=photographic