13598-0333 HDS1962

 
 
13h 59m 49.30s -03 32' 58.7" P.A. 203.6 sep 0.05 mag 6.87,7.88 Sp F8V dist. 77.52 pc (252.87 l.y.)
 
 
Coord 2000
13598-0333
Discov num
HDS1962
Comp
Coord arcsec 2000
13 59 49.30 -03 32 58.7
Date first
1991
Date last
2015
Obs
9
Pa first
53
Pa last
126
P.A. Now (θ)
203.6°
Sep first
0.1
Sep last
0.1
Sep. Now (ρ)
0.05"
Mag pri
6.87
Mag sec
7.88
delta mag (ΔM)
1.01
Spectral class
F8V (yellow-white)
Pri motion ra
-030
Sec motion ra
Pri motion dec
-056
Sec motion dec
Notes
O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
126.2
Precise sep
0.056
Constellation
Virgo
SAO
139666
HIP
68380
Tycho2
4971-00833-1
HD
122106
HR
5258
BD
BD-02 3768
Distance
77.52
Distance ly
252.87
last precise pa
126.2
last precise sep
0.056
 
 
ORBITAL ELEMENTS
 
 
Period (P)9.496y± 0.071 Periastron (T)2008.139y± 0.06 Semi-major axis (a)0.0734a± 0.0029
Eccentricity (e)0.374± 0.032 Inclination (i)49.9°± 3.2 Longitude of periastron (ω)49.5°± 2.7
Node (Ω)205.6°± 3.7 Note Grade3(1=Definitive, 9=Indet.)
Equinox2000 Last observation
label rho theta
2000 0.058 0.1
2001 0.083 24.7
2002 0.091 40.5
2003 0.086 55.9
2004 0.074 74.8
2005 0.061 102.1
2006 0.054 140.7
2007 0.055 182.1
2008 0.041 231.6
2009 0.041 334.2
2010 0.073 14.6
2011 0.088 33.0
2012 0.090 48.1
2013 0.081 64.7
2014 0.067 87.2
2015 0.056 120.4
2016 0.054 161.8
2017 0.051 203.6
2018 0.031 282.3
2019 0.058 0.4
2020 0.083 24.8
2021 0.091 40.6
2022 0.086 56.0
2023 0.074 75.0
2024 0.061 102.4
2025 0.054 141.0
2026 0.055 182.5
2027 0.041 232.1
2028 0.041 334.8
2029 0.073 14.8
2030 0.089 33.1

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

grafico orbita





wds13598-0333b.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
13598-0333 HDS1962 2006 2 164 0.1 6.87 7.88 F8V 135949.30-033258.7
13598-0333 HDS1962 2007 3 26 0.1 6.87 7.88 F8V D 135949.30-033258.7
13598-0333 HDS1962 2008 6 264 0.0 6.87 7.88 F8V D 135949.30-033258.7
13598-0333 HDS1962 2014 8 96 0.1 6.87 7.88 F8V O 135949.30-033258.7
13598-0333 HDS1962 2015 9 126 0.1 6.87 7.88 F8V O 135949.30-033258.7

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