00321-0511 A   111AB

 
 
00h 32m 08.28s -05 10' 43.3" P.A. 321 sep 0.14 mag 9.40,9.40 Sp K0V dist. 46.1 pc (150.38 l.y.)
 
 
Coord 2000
00321-0511
Discov num
A   111
Comp
AB
Coord arcsec 2000
00 32 08.28 -05 10 43.3
Date first
1915
Date last
2017
Obs
71
Pa first
263
Pa last
325
P.A. Now (θ)
321°
Sep first
0.2
Sep last
0.1
Sep. Now (ρ)
0.14"
Mag pri
9.40
Mag sec
9.40
delta mag (ΔM)
0
Spectral class
K0V (yellow-orange)
Pri motion ra
+299
Sec motion ra
Pri motion dec
-021
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
00321-0511 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 00321-0511 A 111 AB 1915 2017 71 321 0.1 9.40 9.40 0.00 Y <===
Show 00321-0511 A 111 AB,C 1900 2001 31 187 2.6 8.71 11.40 2.69
Show 00321-0511 A 111 AB,D 1908 2017 8 208 126.1 8.71 13.75 5.04
Show 00321-0511 SKF 293 AB,E 1951 2017 6 351 430.0 8.69 14.48 5.79
Quintuple system
6 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
324.7
Precise sep
0.136
Constellation
Cetus
HIP
2533
Tycho2
4678-00309-1
HD
2880
ADS
450
BD
BD-05 77
Distance
46.1
Distance ly
150.38
last precise pa
324.7
last precise sep
0.136
 
 
ORBITAL ELEMENTS
 
 
Period (P)10.64y± 0.02 Periastron (T)2015.19y± 0.19 Semi-major axis (a)0.122a± 0.003
Eccentricity (e)0.538± 0.014 Inclination (i)155.7°± 4.2 Longitude of periastron (ω)101.6°± 14.9
Node (Ω)206.5°± 18.5 Note Grade1(1=Definitive, 9=Indet.)
Equinox2000 Last observation2014
label rho theta
2000 0.171 273.7
2001 0.162 259.8
2002 0.144 243.4
2003 0.113 220.1
2004 0.067 170.7
2005 0.065 49.0
2006 0.107 354.2
2007 0.136 328.1
2008 0.156 310.1
2009 0.168 295.4
2010 0.172 282.1
2011 0.168 268.8
2012 0.157 254.3
2013 0.135 236.2
2014 0.099 207.7
2015 0.053 131.0
2016 0.081 22.5
2017 0.119 343.3
2018 0.144 321.0
2019 0.161 304.6
2020 0.170 290.6
2021 0.172 277.4
2022 0.165 263.8
2023 0.150 248.4
2024 0.123 227.8
2025 0.081 190.4
2026 0.054 80.1
2027 0.096 4.8
2028 0.129 334.2
2029 0.151 314.7
2030 0.165 299.3

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

grafico orbita





wds00321-0511a.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
00321-0511 A 111 AB 1994 63 19 0.1 9.70 9.70 K0V NO 003208.27-051043.3
00321-0511 A 111 AB 2008 65 118 0.2 9.70 9.70 K0V NO 003208.27-051043.3
00321-0511 A 111 AB 2011 67 89 0.2 9.40 9.40 K0V NO 003208.28-051043.3
00321-0511 A 111 AB 2014 68 147 0.1 9.40 9.40 K0V NO 003208.28-051043.3
00321-0511 A 111 AB 2015 70 21 0.1 9.40 9.40 K0V NO 003208.28-051043.3
00321-0511 A 111 AB 2017 71 325 0.1 9.40 9.40 K0V NO 003208.28-051043.3

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