00106-7313 I    43AB

 
 
00h 10m 38.56s -73 13' 27.7" P.A. 196.3 sep 0.51 mag 6.97,8.55 Sp F2V+F6V dist. 70.42 pc (229.71 l.y.)
 
 
Coord 2000
00106-7313
Discov num
I    43
Comp
AB
Coord arcsec 2000
00 10 38.56 -73 13 27.7
Date first
1896
Date last
2017
Obs
13
Pa first
340
Pa last
196
P.A. Now (θ)
196.3°
Sep first
0.8
Sep last
0.5
Sep. Now (ρ)
0.51"
Mag pri
6.97
Mag sec
8.55
delta mag (ΔM)
1.58
Spectral class
F2V+F6V (yellow-white/yellow-white)
Pri motion ra
+123
Sec motion ra
Pri motion dec
+020
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
00106-7313 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 255642 00106-7313 I 43 AB 1896 2017 13 196 0.5 6.97 8.55 1.58 Y <===
Show 255642 00106-7313 I 43 AB,C 1911 2015 4 334 30.4 6.70 14.20 7.50
Triple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
196
Precise sep
0.496
Cdsa2 id
I 43 AB
Constellation
Tucana
SAO
255642
HIP
865
Tycho2
9140-00836-1
HD
661
HR
32
CP
CP-73 4
Ra deg
0.17737777777777777
De deg
-73.22436111111111
Distance
70.42
Distance ly
229.71
last precise pa
196
last precise sep
0.496
 
 
ORBITAL ELEMENTS
 
 
Period (P)1637.7y± 84 Periastron (T)2187.8y± 86.3 Semi-major axis (a)2.762a± 0.177
Eccentricity (e)0.487± 0.036 Inclination (i)95.6°± 1.8 Longitude of periastron (ω)13.9°± 2.6
Node (Ω)172.8°± 5.3 Note Grade5(1=Definitive, 9=Indet.)
Equinox2000 Last observation1996
label rho theta
2000 0.351 210.8
2001 0.359 209.7
2002 0.368 208.6
2003 0.376 207.6
2004 0.384 206.6
2005 0.393 205.6
2006 0.401 204.7
2007 0.410 203.9
2008 0.418 203.0
2009 0.427 202.2
2010 0.436 201.5
2011 0.445 200.7
2012 0.454 200.0
2013 0.463 199.3
2014 0.472 198.7
2015 0.481 198.0
2016 0.490 197.4
2017 0.499 196.9
2018 0.509 196.3
2019 0.518 195.8
2020 0.527 195.2
2021 0.536 194.7
2022 0.546 194.2
2023 0.555 193.8
2024 0.564 193.3
2025 0.574 192.9
2026 0.583 192.4
2027 0.593 192.0
2028 0.602 191.6
2029 0.611 191.2
2030 0.621 190.9

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

grafico orbita





wds00106-7313b.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
00106-7313 I 43 AB 1996 12 215 0.3 6.97 8.55 F2V+F6V NOD 001038.31-731328.0
00106-7313 I 43 AB 2017 13 196 0.5 6.97 8.55 F2V+F6V NO 001038.56-731327.7

If you need more information about this double, apply for a data request form to the WDS.