13191-5239 I   516

 
 
13h 19m 05.43s -52 39' 17.4" P.A. 354.50 sep 0.1 mag 8.17,9.54 Sp F5/6V dist. 94.07 pc (306.86 l.y.)
 
 
Coord 2000
13191-5239
Discov num
I   516
Comp
Coord arcsec 2000
13 19 05.43 -52 39 17.4
Date first
1912
Date last
2020
Obs
19
Pa first
193
Pa last
351
P.A. Now (θ)
354.5°
Sep first
0.9
Sep last
0.1
Sep. Now (ρ)
0.08"
Mag pri
8.17
Mag sec
9.54
delta mag (ΔM)
1.37
Spectral class
F5/6V (yellow-white)
Pri motion ra
-062
Sec motion ra
Pri motion dec
-022
Sec motion dec
Notes
O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
350.7
Precise sep
0.07
Constellation
Centaurus
SAO
240733
HIP
64982
Tycho2
8649-00208-1
Gaia DR2
71976912768
HD
115595
CD
CD-51 7425
CP
CP-51 5961
Distance
94.07
Distance ly
306.86
last precise pa
350.7
last precise sep
0.07
 
 
ORBITAL ELEMENTS
 
 
Period (P)300y Periastron (T)2083.04y Semi-major axis (a)0.77a
Eccentricity (e)0.653 Inclination (i)89° Longitude of periastron (ω)238.9°
Node (Ω)186.5° Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation2020
label rho theta
2000 0.121 195.4
2001 0.112 196.1
2002 0.103 196.9
2003 0.094 197.9
2004 0.085 199.1
2005 0.076 200.6
2006 0.067 202.4
2007 0.058 204.9
2008 0.049 208.2
2009 0.040 213.0
2010 0.032 220.4
2011 0.025 232.4
2012 0.019 252.7
2013 0.018 281.8
2014 0.021 308.9
2015 0.027 326.4
2016 0.034 336.7
2017 0.043 343.1
2018 0.051 347.4
2019 0.060 350.5
2020 0.069 352.7
2021 0.078 354.5
2022 0.087 355.8
2023 0.096 356.9
2024 0.106 357.9
2025 0.115 358.6
2026 0.124 359.3
2027 0.133 359.9
2028 0.142 0.4
2029 0.151 0.8
2030 0.160 1.2

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






wds13191-5239a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
13191-5239 I 516 2006 15 199 0.1 8.17 9.54 F5/6V 131905.43-523917.4
13191-5239 I 516 2017 16 176 0.0 8.17 9.54 F5/6V 131905.43-523917.4
13191-5239 I 516 2018 17 351 0.1 8.17 9.54 F5/6V 131905.43-523917.4
13191-5239 I 516 2019 18 349 0.1 8.17 9.54 F5/6V 131905.43-523917.4

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