13539-1440 RST3852

 
 
13h 53m 51.68s -14 39' 50.8" P.A. 335.1 sep 0.26 mag 7.85,8.92 Sp F0/2V dist. 131.58 pc (429.21 l.y.)
 
 
Coord 2000
13539-1440
Discov num
RST3852
Comp
Coord arcsec 2000
13 53 51.68 -14 39 50.8
Date first
1937
Date last
2015
Obs
31
Pa first
140
Pa last
339
P.A. Now (θ)
335.1°
Sep first
0.3
Sep last
0.2
Sep. Now (ρ)
0.26"
Mag pri
7.85
Mag sec
8.92
delta mag (ΔM)
1.07
Spectral class
F0/2V (yellow-white)
Pri motion ra
+021
Sec motion ra
Pri motion dec
-018
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
338.7
Precise sep
0.244
Constellation
Virgo
SAO
158220
HIP
67850
Tycho2
5559-00643-1
HD
121136
BD
BD-13 3786
Distance
131.58
Distance ly
429.21
last precise pa
338.7
last precise sep
0.244
 
 
ORBITAL ELEMENTS
 
 
Period (P)95y Periastron (T)1985.8y Semi-major axis (a)0.225a
Eccentricity (e)0.278 Inclination (i)128.9° Longitude of periastron (ω)31.2°
Node (Ω)150.6° Note Grade3(1=Definitive, 9=Indet.)
Equinox2000 Last observation2009
label rho theta
2000 0.144 23.1
2001 0.153 17.9
2002 0.162 13.2
2003 0.170 9.0
2004 0.179 5.2
2005 0.188 1.8
2006 0.197 358.6
2007 0.205 355.8
2008 0.213 353.1
2009 0.220 350.7
2010 0.228 348.4
2011 0.234 346.2
2012 0.240 344.1
2013 0.246 342.2
2014 0.251 340.3
2015 0.256 338.5
2016 0.260 336.8
2017 0.264 335.1
2018 0.268 333.5
2019 0.270 331.9
2020 0.273 330.3
2021 0.275 328.7
2022 0.276 327.2
2023 0.277 325.7
2024 0.278 324.2
2025 0.278 322.7
2026 0.277 321.2
2027 0.277 319.7
2028 0.276 318.2
2029 0.274 316.7
2030 0.272 315.1

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

grafico orbita





wds13539-1440a.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
13539-1440 RST3852 2008 29 352 0.2 7.85 8.92 F0/2V NO 135351.68-143950.8
13539-1440 RST3852 2009 30 350 0.2 7.85 8.92 F0/2V NO 135351.68-143950.8
13539-1440 RST3852 2015 31 339 0.2 7.85 8.92 F0/2V NO 135351.68-143950.8

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