14243-3838 RST1785AB

 
 
14h 24m 17.03s -38 37' 45.4" P.A. 257.00 sep 0.2 mag 10.35,10.62 Sp G5V dist. 82.64 pc (269.57 l.y.)
 
 
Coord 2000
14243-3838
Discov num
RST1785
Comp
AB
Coord arcsec 2000
14 24 17.03 -38 37 45.4
Date first
1932
Date last
2018
Obs
10
Pa first
270
Pa last
257
P.A. Now (θ)
257°
Sep first
0.2
Sep last
0.2
Sep. Now (ρ)
0.2"
Mag pri
10.35
Mag sec
10.62
delta mag (ΔM)
0.27
Spectral class
G5V (yellow)
Pri motion ra
+014
Sec motion ra
Pri motion dec
-102
Sec motion dec
Notes
O W (Orbital solution, )
Visually invisible, K-band or other infrared star This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
257.1
Precise sep
0.241
Constellation
Centaurus
SAO
205521
HIP
70410
Tycho2
7805-02026-1
HD
126061
CD
CD-38 9339
CP
CP-38 5829
Distance
82.64
Distance ly
269.57
last precise pa
257.1
last precise sep
0.241
 
 
ORBITAL ELEMENTS
 
 
Period (P)92.34y± 1.2 Periastron (T)1987.77y± 0.22 Semi-major axis (a)0.222a± 0.006
Eccentricity (e)0.22± 0.006 Inclination (i)45.3°± 1 Longitude of periastron (ω)65.2°± 2
Node (Ω)60.7°± 1 Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation2018
label rho theta
2000 0.170 205.7
2001 0.178 210.1
2002 0.185 214.1
2003 0.192 217.8
2004 0.199 221.2
2005 0.205 224.5
2006 0.211 227.5
2007 0.216 230.4
2008 0.221 233.2
2009 0.226 235.8
2010 0.230 238.3
2011 0.233 240.8
2012 0.236 243.2
2013 0.238 245.6
2014 0.240 247.9
2015 0.241 250.1
2016 0.242 252.4
2017 0.242 254.6
2018 0.243 256.9
2019 0.242 259.1
2020 0.241 261.4
2021 0.240 263.7
2022 0.239 266.0
2023 0.237 268.3
2024 0.235 270.6
2025 0.233 273.1
2026 0.230 275.5
2027 0.228 278.0
2028 0.225 280.6
2029 0.222 283.2
2030 0.219 285.9

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






wds14243-3838c.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
14243-3838 RST1785 AB 2018 10 257 0.2 10.35 10.62 G5V OW 142417.03-383745.4

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