00143-2732 HDS  33

 
 
00h 14m 20.22s -27 31' 51.9" P.A. 286.9 sep 0.18 mag 7.93,8.88 Sp G5V dist. 50.89 pc (166 l.y.)
 
 
Coord 2000
00143-2732
Discov num
HDS  33
Comp
Coord arcsec 2000
00 14 20.22 -27 31 51.9
Date first
1991
Date last
2017
Obs
11
Pa first
328
Pa last
284
P.A. Now (θ)
286.9°
Sep first
0.1
Sep last
0.2
Sep. Now (ρ)
0.18"
Mag pri
7.93
Mag sec
8.88
delta mag (ΔM)
0.95
Spectral class
G5V (yellow)
Pri motion ra
-028
Sec motion ra
Pri motion dec
-145
Sec motion dec
Notes
O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
284.1
Precise sep
0.174
Cdsa2 id
HDS 33
Constellation
Sculptor
SAO
166137
HIP
1144
Tycho2
6419-01020-1
HD
1002
CD
CD-28 47
CP
CP-28 12
Ra deg
0.23895
De deg
-27.53108333333333
Distance
50.89
Distance ly
166
last precise pa
284.1
last precise sep
0.174
 
 
ORBITAL ELEMENTS
 
 
Period (P)10.22y± 0.07 Periastron (T)2013.47y± 0.04 Semi-major axis (a)0.124a± 0.002
Eccentricity (e)0.609± 0.009 Inclination (i)28.4°± 2.5 Longitude of periastron (ω)80°± 4.3
Node (Ω)35.3°± 5.3 Note Grade2(1=Definitive, 9=Indet.)
Equinox2000 Last observation2014
label rho theta
2000 0.159 318.3
2001 0.138 335.4
2002 0.104 1.3
2003 0.052 69.3
2004 0.081 209.2
2005 0.128 244.4
2006 0.156 263.1
2007 0.171 277.1
2008 0.176 289.6
2009 0.174 301.8
2010 0.163 315.1
2011 0.143 331.2
2012 0.113 354.2
2013 0.064 44.1
2014 0.067 193.8
2015 0.120 239.0
2016 0.151 259.5
2017 0.168 274.3
2018 0.176 286.9
2019 0.175 299.1
2020 0.166 312.0
2021 0.148 327.2
2022 0.121 348.1
2023 0.077 27.4
2024 0.053 170.0
2025 0.110 232.7
2026 0.145 255.8
2027 0.165 271.3
2028 0.175 284.2
2029 0.176 296.4
2030 0.169 309.1

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

grafico orbita





wds00143-2732a.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
00143-2732 HDS 33 2006 2 91 0.2 7.93 8.88 G5V D 001420.22-273151.9
00143-2732 HDS 33 2008 3 116 0.2 7.93 8.88 G5V D 001420.22-273151.9
00143-2732 HDS 33 2009 5 311 0.2 7.93 8.88 G5V OD 001420.22-273151.9
00143-2732 HDS 33 2011 6 152 0.1 7.93 8.88 G5V OD 001420.22-273151.9
00143-2732 HDS 33 2012 7 218 0.1 7.93 8.88 G5V O 001420.22-273151.9
00143-2732 HDS 33 2014 9 236 0.1 7.93 8.88 G5V O 001420.22-273151.9
00143-2732 HDS 33 2015 10 256 0.1 7.93 8.88 G5V O 001420.22-273151.9
00143-2732 HDS 33 2017 11 284 0.2 7.93 8.88 G5V O 001420.22-273151.9

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