13342-1623 RST3844

 
 
13h 34m 10.74s -16 23' 20.2" P.A. 218.2 sep 0.09 mag 9.50,9.50 Sp F6V dist. 141.84 pc (462.68 l.y.)
 
 
Coord 2000
13342-1623
Discov num
RST3844
Comp
Coord arcsec 2000
13 34 10.74 -16 23 20.2
Date first
1937
Date last
2014
Obs
14
Pa first
84
Pa last
239
P.A. Now (θ)
218.2°
Sep first
0.4
Sep last
0.1
Sep. Now (ρ)
0.09"
Mag pri
9.50
Mag sec
9.50
delta mag (ΔM)
0
Spectral class
F6V (yellow-white)
Pri motion ra
+039
Sec motion ra
Pri motion dec
-048
Sec motion dec
Notes
O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
238.6
Precise sep
0.114
Constellation
Virgo
SAO
158009
HIP
66203
Tycho2
6121-00387-1
HD
117968
BD
BD-15 3694
Distance
141.84
Distance ly
462.68
last precise pa
238.6
last precise sep
0.114
 
 
ORBITAL ELEMENTS
 
 
Period (P)121.85y± 2.7 Periastron (T)2010.94y± 0.49 Semi-major axis (a)0.255a± 0.003
Eccentricity (e)0.432± 0.007 Inclination (i)117.6°± 0.7 Longitude of periastron (ω)19.4°± 2.4
Node (Ω)264.5°± 1.1 Note Grade3(1=Definitive, 9=Indet.)
Equinox2000 Last observation2014
label rho theta
2000 0.127 298.8
2001 0.132 294.0
2002 0.136 289.5
2003 0.140 285.3
2004 0.144 281.3
2005 0.146 277.5
2006 0.148 273.8
2007 0.149 270.2
2008 0.148 266.6
2009 0.146 262.9
2010 0.143 259.0
2011 0.138 255.0
2012 0.132 250.6
2013 0.125 245.7
2014 0.117 240.2
2015 0.109 234.0
2016 0.101 226.7
2017 0.094 218.2
2018 0.088 208.4
2019 0.084 197.5
2020 0.083 185.8
2021 0.084 174.2
2022 0.088 163.4
2023 0.095 153.7
2024 0.103 145.4
2025 0.112 138.4
2026 0.122 132.5
2027 0.133 127.6
2028 0.144 123.4
2029 0.155 119.8
2030 0.166 116.7

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

grafico orbita





wds13342-1623a.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
13342-1623 RST3844 1993 12 340 0.1 9.50 9.50 F6V O 133410.74-162320.2
13342-1623 RST3844 2009 13 262 0.1 9.50 9.50 F6V O 133410.74-162320.2
13342-1623 RST3844 2014 14 239 0.1 9.50 9.50 F6V O 133410.74-162320.2

If you need more information about this double, apply for a data request form to the WDS.