00135-3650 HDS  32

 
 
00h 13m 29.10s -36 49' 43.0" P.A. 354.3 sep 0.26 mag 11.35,11.93 Sp M0.5V dist. 28.18 pc (91.92 l.y.)
 
 
Coord 2000
00135-3650
Discov num
HDS  32
Comp
Coord arcsec 2000
00 13 29.10 -36 49 43.0
Date first
1991
Date last
2017
Obs
6
Pa first
282
Pa last
0
P.A. Now (θ)
354.3°
Sep first
0.2
Sep last
0.3
Sep. Now (ρ)
0.26"
Mag pri
11.35
Mag sec
11.93
delta mag (ΔM)
0.58
Spectral class
M0.5V (red)
Pri motion ra
-209
Sec motion ra
Pri motion dec
-319
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
0.2
Precise sep
0.26
Cdsa2 id
HDS 32
Constellation
Sculptor
HIP
1083
Tycho2
6996-00077-3
CD
CD-37 34
Ra deg
0.22475
De deg
-36.828611111111115
Distance
28.18
Distance ly
91.92
last precise pa
0.2
last precise sep
0.26
 
 
ORBITAL ELEMENTS
 
 
Period (P)15.34y± 0.35 Periastron (T)2009.45y± 0.73 Semi-major axis (a)0.229a± 0.016
Eccentricity (e)0.25± 0.08 Inclination (i)154.2°± 11.3 Longitude of periastron (ω)260.6°± 38.4
Node (Ω)88.2°± 48.5 Note Grade3(1=Definitive, 9=Indet.)
Equinox2000 Last observation
label rho theta
2000 0.259 37.0
2001 0.260 21.1
2002 0.258 5.1
2003 0.254 348.7
2004 0.249 331.8
2005 0.241 314.0
2006 0.229 294.6
2007 0.210 272.5
2008 0.184 244.9
2009 0.160 208.2
2010 0.158 164.3
2011 0.182 126.2
2012 0.212 98.5
2013 0.235 77.2
2014 0.250 59.0
2015 0.258 42.5
2016 0.260 26.5
2017 0.259 10.5
2018 0.256 354.3
2019 0.251 337.6
2020 0.244 320.2
2021 0.234 301.4
2022 0.217 280.4
2023 0.194 255.1
2024 0.167 221.9
2025 0.155 179.2
2026 0.172 137.9
2027 0.202 107.0
2028 0.229 83.9
2029 0.246 65.0
2030 0.256 48.0

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

grafico orbita





wds00135-3650e.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
00135-3650 HDS 32 1991 1 282 0.2 11.35 11.93 001329.23-364940.5
00135-3650 HDS 32 2014 2 226 0.3 11.35 11.93 M0.5V 001329.23-364940.5
00135-3650 HDS 32 2015 3 28 0.3 11.35 11.93 M0.5V 001329.23-364940.5
00135-3650 HDS 32 2017 6 0 0.3 11.35 11.93 M0.5V 001329.10-364943.0

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