03442-6448 TOK 191Aa,Ab

 
 
03H 44M 11.98S -64 48' 24.8" P.A. 156 SEP 0.1 MAG 4.00,6.80 SP K1-2III DIST. 29.86 PC (97.4 L.Y.)
 
 
Coord 2000
03442-6448
Discov num
TOK 191
Comp
Aa,Ab
Coord arcsec 2000
03 44 11.98 -64 48 24.8
Date first
2011
Date last
2015
Obs
4
Pa first
26
Pa last
156
P.A. Now (θ)
156°
Sep first
0.1
Sep last
0.1
Sep. Now (ρ)
0.1"
Mag pri
4.00
Mag sec
6.80
delta mag (ΔM)
2.8
Spectral class
K1-2III (yellow-orange)
Pri motion ra
+311
Sec motion ra
Pri motion dec
+084
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
03442-6448 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 248877 03442-6448 TOK 191 Aa,Ab 2011 2015 4 156 0.1 4.00 6.80 2.80 Y <===
Show Bet Ret 248877 03442-6448 LDS 104 AB 1893 2015 7 95 999.9 3.96 7.93 3.97
Triple system
2 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Reticulum
SAO
248877
HIP
17440
Tycho2
8870-01385-1
HD
23817
HR
1175
GC
4517
GL
Gl 154.2
CP
CP-65 263
Bayer
Beta Reticuli
Bayer name
Bet Ret
Distance
29.86
Distance ly
97.4
last precise pa
155.7
last precise sep
0.064
 
 
ORBITAL ELEMENTS
 
 
Period (P)1911.5d (5.23y) Periastron (T)48872.4805d (1992.684y)± 18.5393 Semi-major axis (a)27.1m± 2.5
Eccentricity (e)0.21 Inclination (i)82.85°± 3.36 Longitude of periastron (ω)13.8°
Node (Ω)22.39°± 6.82 Note Grade9(1=Definitive, 9=Indet.)
Equinox Last observation1991
label rho theta
2000-01-01 0.031 201.0
2001-01-01 0.026 207.5
2002-01-01 0.003 296.4
2003-01-01 0.022 22.1
2004-01-01 0.004 149.0
2005-01-01 0.029 199.4
2006-01-01 0.030 205.6
2007-01-01 0.008 228.5
2008-01-01 0.020 18.8
2009-01-01 0.006 48.6
2010-01-01 0.025 197.4
2011-01-01 0.032 204.1
2012-01-01 0.014 215.8
2013-01-01 0.016 14.4
2014-01-01 0.013 32.0
2015-01-01 0.019 194.4
2016-01-01 0.033 202.8
2017-01-01 0.020 210.9
2018-01-01 0.010 5.4
2019-01-01 0.019 26.5
2020-01-01 0.013 188.6
2021-01-01 0.032 201.4
2022-01-01 0.025 208.1
2023-01-01 0.004 327.3
2024-01-01 0.021 23.0
2025-01-01 0.006 168.1
2026-01-01 0.030 199.9
2027-01-01 0.029 206.1
2028-01-01 0.006 237.0
2029-01-01 0.021 19.8
2030-01-01 0.005 62.4

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

grafico orbita





grafico misure orbit6
Measures: green=micrometric, blue=interferometric, purple=photographic