13437-4204 FIN 353AB

 
 
13h 43m 40.10s -42 04' 03.0" P.A. 226.60 sep 0.0 mag 6.32,7.49 Sp B8III dist. 613.5 pc (2001.24 l.y.)
 
 
Coord 2000
13437-4204
Discov num
FIN 353
Comp
AB
Coord arcsec 2000
13 43 40.10 -42 04 03.0
Date first
1959
Date last
2017
Obs
19
Pa first
39
Pa last
57
P.A. Now (θ)
226.6°
Sep first
0.1
Sep last
0.0
Sep. Now (ρ)
0.02"
Mag pri
6.32
Mag sec
7.49
delta mag (ΔM)
1.17
Spectral class
B8III (blue-white)
Pri motion ra
-016
Sec motion ra
Pri motion dec
-005
Sec motion dec
Notes
O (Orbital solution)
This double is physical.
 
 
13437-4204 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 224365 13437-4204 FIN 353 AB 1959 2017 19 227 0.0 6.32 7.49 1.17 Y <===
Show 224365 13437-4204 RST1741 AB,C 1934 2018 17 76 0.9 5.97 9.15 3.18
Triple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
56.8
Precise sep
0.032
Constellation
Centaurus
SAO
224365
HIP
66984
Tycho2
7797-02742-1
Gaia DR2
64201415552
HD
119361
HR
5157
CD
CD-41 8089
CP
CP-41 6439
Distance
613.5
Distance ly
2001.24
last precise pa
56.8
last precise sep
0.032
 
 
ORBITAL ELEMENTS
 
 
Period (P)130y Periastron (T)2020.439y Semi-major axis (a)0.116a
Eccentricity (e)0.723 Inclination (i)87° Longitude of periastron (ω)112.2°
Node (Ω)50.7° Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation2018
label rho theta
2000 0.111 49.0
2001 0.110 49.1
2002 0.108 49.3
2003 0.106 49.4
2004 0.103 49.5
2005 0.101 49.6
2006 0.098 49.8
2007 0.095 49.9
2008 0.091 50.1
2009 0.087 50.2
2010 0.083 50.4
2011 0.078 50.6
2012 0.072 50.9
2013 0.066 51.1
2014 0.059 51.5
2015 0.051 51.9
2016 0.042 52.5
2017 0.032 53.5
2018 0.020 55.6
2019 0.007 64.6
2020 0.007 216.0
2021 0.019 226.6
2022 0.030 228.9
2023 0.038 230.0
2024 0.044 230.8
2025 0.049 231.4
2026 0.052 232.0
2027 0.053 232.5
2028 0.054 232.9
2029 0.055 233.4
2030 0.054 233.8

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






wds13437-4204a.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
13437-4204 FIN 353 AB 2006 13 50 0.1 6.32 7.49 B8III 134340.10-420403.0
13437-4204 FIN 353 AB 2009 15 51 0.1 6.32 7.49 B8III 134340.10-420403.0
13437-4204 FIN 353 AB 2011 14 51 0.1 6.32 7.49 B8III 134340.10-420403.0
13437-4204 FIN 353 AB 2013 15 52 0.1 6.32 7.49 B8III 134340.10-420403.0
13437-4204 FIN 353 AB 2014 16 54 0.1 6.32 7.49 B8III 134340.10-420403.0
13437-4204 FIN 353 AB 2015 17 49 0.0 6.32 7.49 B8III 134340.10-420403.0
13437-4204 FIN 353 AB 2017 19 57 0.0 6.32 7.49 B8III 134340.10-420403.0

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