01308-5940 TOK 183

 
 
01h 30m 46.18s -59 39' 33.9" P.A. 174.80 sep 0.1 mag 8.80,8.80 Sp G0V dist. 66.31 pc (216.3 l.y.)
 
 
Coord 2000
01308-5940
Discov num
TOK 183
Comp
Coord arcsec 2000
01 30 46.18 -59 39 33.9
Date first
2011
Date last
2019
Obs
15
Pa first
349
Pa last
356
P.A. Now (θ)
174.8°
Sep first
0.1
Sep last
0.0
Sep. Now (ρ)
0.06"
Mag pri
8.80
Mag sec
8.80
delta mag (ΔM)
0
Spectral class
G0V (yellow)
Pri motion ra
+112
Sec motion ra
Pri motion dec
-025
Sec motion dec
Notes
O (Orbital solution)
Visually invisible, K-band or other infrared star This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
356.3
Precise sep
0.041
Constellation
Hydrus
SAO
232444
HIP
7040
Tycho2
8481-01119-1
Gaia DR2
53393046528
HD
9379
CP
CP-60 118
Distance
66.31
Distance ly
216.3
last precise pa
356.3
last precise sep
0.041
 
 
ORBITAL ELEMENTS
 
 
Period (P)4.66y± 0.23 Periastron (T)2012.83y± 0.23 Semi-major axis (a)0.0458a± 0.003
Eccentricity (e)0.462± 0.067 Inclination (i)75°± 0 Longitude of periastron (ω)13.9°± 16.2
Node (Ω)349.5°± 3.4 Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation2014
label rho theta
2000 0.048 161.1
2001 0.066 171.6
2002 0.046 182.6
2003 0.012 302.0
2004 0.012 119.4
2005 0.059 165.6
2006 0.063 174.6
2007 0.032 190.9
2008 0.024 342.8
2009 0.032 153.4
2010 0.065 168.9
2011 0.056 178.1
2012 0.016 215.3
2013 0.017 8.0
2014 0.048 161.4
2015 0.066 171.8
2016 0.046 182.9
2017 0.013 306.6
2018 0.013 124.4
2019 0.059 165.8
2020 0.063 174.8
2021 0.031 191.6
2022 0.025 344.0
2023 0.033 154.1
2024 0.065 169.0
2025 0.056 178.3
2026 0.015 218.3
2027 0.016 10.7
2028 0.049 161.7
2029 0.066 172.0
2030 0.045 183.3

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






wds01308-5940a.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
01308-5940 TOK 183 2011 1 349 0.1 8.80 8.80 G0V 013046.18-593933.9
01308-5940 TOK 183 2013 4 160 0.0 8.80 8.80 G0V 013046.18-593933.9
01308-5940 TOK 183 2015 5 170 0.1 8.80 8.80 G0V O 013046.18-593933.9
01308-5940 TOK 183 2017 13 167 0.1 8.80 8.80 G0V O 013046.18-593933.9
01308-5940 TOK 183 2019 15 356 0.0 8.80 8.80 G0V O 013046.18-593933.9

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