01379-8259 TOK 426

 
 
01h 37m 54.98s -82 58' 31.0" P.A. 228 sep 0.1 mag 6.30,7.10 Sp G1V dist. 27.38 pc (89.31 l.y.)
 
 
Coord 2000
01379-8259
Discov num
TOK 426
Comp
Coord arcsec 2000
01 37 54.98 -82 58 31.0
Date first
2011
Date last
2018
Obs
23
Pa first
50
Pa last
228
P.A. Now (θ)
228°
Sep first
0.0
Sep last
0.1
Sep. Now (ρ)
0.1"
Mag pri
6.30
Mag sec
7.10
delta mag (ΔM)
0.8
Spectral class
G1V (yellow)
Pri motion ra
+122
Sec motion ra
Pri motion dec
+120
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
228.2
Precise sep
0.059
Constellation
Octans
SAO
258271
HIP
7601
Tycho2
9490-01295-1
Gaia DR2
80223988352
HD
10800
HR
512
GL
Gl 67.1
CP
CP-83 27
Distance
27.38
Distance ly
89.31
last precise pa
228.2
last precise sep
0.059
 
 
ORBITAL ELEMENTS
 
 
Period (P)1.74861y± 0.00047 Periastron (T)2014.672y± 0.003 Semi-major axis (a)0.07823a± 0.00047
Eccentricity (e)0.1912± 0.0018 Inclination (i)47.6°± 0.48 Longitude of periastron (ω)151.2°± 0.3
Node (Ω)296°± 0.3 Note Grade2(1=Definitive, 9=Indet.)
Equinox2000 Last observation2016
label rho theta
2000 0.091 295.3
2001 0.058 163.2
2002 0.071 326.2
2003 0.061 228.4
2004 0.046 37.8
2005 0.083 269.4
2006 0.064 111.3
2007 0.091 295.8
2008 0.058 164.6
2009 0.070 327.2
2010 0.062 229.6
2011 0.046 39.9
2012 0.084 270.1
2013 0.064 112.4
2014 0.090 296.4
2015 0.058 166.0
2016 0.069 328.1
2017 0.062 230.9
2018 0.046 42.1
2019 0.084 270.7
2020 0.064 113.5
2021 0.090 297.0
2022 0.057 167.4
2023 0.069 329.1
2024 0.062 232.0
2025 0.046 44.3
2026 0.085 271.4
2027 0.064 114.6
2028 0.090 297.5
2029 0.057 168.8
2030 0.068 330.1

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






wds01379-8259a.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
01379-8259 TOK 426 2015 6 173 0.1 6.30 7.10 G1V 013754.98-825831.0
01379-8259 TOK 426 2016 14 0 0.1 6.30 7.10 G1V N 013754.98-825831.0
01379-8259 TOK 426 2017 21 309 0.1 6.30 7.10 G1V N 013754.98-825831.0

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