01158-6853 HJ 3423AB (Kap Tuc)

 
 
01h 15m 46.16s -68 52' 33.3" P.A. 314.40 sep 4.6 mag 4.88,7.54 Sp F6IV+G5V dist. 20.96 pc (68.37 l.y.)
 
 
Coord 2000
01158-6853
Discov num
HJ 3423
Comp
AB
Coord arcsec 2000
01 15 46.16 -68 52 33.3
Date first
1834
Date last
2017
Obs
78
Pa first
12
Pa last
315
P.A. Now (θ)
314.4°
Sep first
2.0
Sep last
4.6
Sep. Now (ρ)
4.64"
Mag pri
4.88
Mag sec
7.54
delta mag (ΔM)
2.66
Spectral class
F6IV+G5V (yellow-white/yellow)
Pri motion ra
+409
Sec motion ra
+386
Pri motion dec
+107
Sec motion dec
+082
Notes
N O (See Notes, Orbital solution)
Visually invisible, K-band or other infrared star rPM=0.08 (< 0.3, Physical double)
This double is physical.
 
 
01158-6853 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show Kap Tuc 248346 01158-6853 HJ 3423 AB 1834 2017 78 314 4.6 4.88 7.54 2.66 Y <===
Show 248346 01158-6853 HJ 3423 A,CD 1874 2010 10 310 319.2 4.88 7.23 2.35
Show 248342 01158-6853 I 27 CD 1895 2018 79 353 1.0 7.76 8.26 0.50 Y
Quadruple system
5 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
315.1
Precise sep
4.601
Name
Kap Tuc
Constellation
Tucana
SAO
248346
HIP
5896
Tycho2
9136-01759-2
HD
7788
HR
377
GC
1536
GL
Gl 55.3A
CD
CD-69 52
CP
CP-69 45
Bayer
Kappa Tucanae
Bayer name
Kap Tuc
Distance
20.96
Distance ly
68.37
last precise pa
315.1
last precise sep
4.601
 
 
ORBITAL ELEMENTS
 
 
Period (P)523.4909y± 218.7219 Periastron (T)1762.3343y± 81.2301 Semi-major axis (a)4.63483a± 0.92417
Eccentricity (e)0.3212± 0.29103 Inclination (i)127.756°± 7.048 Longitude of periastron (ω)57.042°± 44.643
Node (Ω)176.117°± 20.458 Note Grade5(1=Definitive, 9=Indet.)
Equinox Last observation2013
label rho theta
2000 4.925 321.9
2001 4.912 321.5
2002 4.899 321.2
2003 4.886 320.8
2004 4.872 320.5
2005 4.859 320.1
2006 4.845 319.7
2007 4.831 319.4
2008 4.817 319.0
2009 4.803 318.6
2010 4.789 318.2
2011 4.775 317.9
2012 4.761 317.5
2013 4.747 317.1
2014 4.732 316.7
2015 4.718 316.4
2016 4.703 316.0
2017 4.688 315.6
2018 4.673 315.2
2019 4.659 314.8
2020 4.644 314.4
2021 4.629 314.0
2022 4.614 313.6
2023 4.598 313.2
2024 4.583 312.8
2025 4.568 312.4
2026 4.553 312.0
2027 4.537 311.6
2028 4.522 311.1
2029 4.507 310.7
2030 4.491 310.3

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






wds01158-6853d.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
01158-6853 HJ 3423 AB 1999 70 322 5.0 5.00 7.74 F6IV NOD 011545.50-685234.5
01158-6853 HJ 3423 AB 2009 72 319 4.8 5.00 7.74 F6IV NOD 011545.50-685234.5
01158-6853 HJ 3423 AB 2013 74 316 4.7 5.00 7.74 F6IV NOD 011545.50-685234.5
01158-6853 HJ 3423 AB 2016 76 316 4.8 5.00 7.74 F6IV NO 011546.16-685233.3
01158-6853 HJ 3423 AB 2017 78 315 4.6 5.00 7.74 F6IV NO 011546.16-685233.3

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