01250-3251 HDS 184

 
 
01h 25m 01.81s -32 51' 04.0" P.A. 104.00 sep 0.2 mag 10.54,10.68 dist. 25.14 pc (82.01 l.y.)
 
 
Coord 2000 01250-3251 Discov num HDS 184 Comp Coord arcsec 2000 01 25 01.81 -32 51 04.0
Date first 1991 Date last 2021 Obs 17
Pa first 287 Pa last 103.6 P.A. Now (θ) 111.9°
Sep first 0.2 Sep last 0.213 Sep. Now (ρ) 0.185"
Mag pri 10.54 Mag sec 10.68 delta mag (ΔM) 0.14 Spectral class
Pri motion ra +233 Sec motion ra
Pri motion dec +148 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Sculptor HIP 6626 Tycho2 7002-01728-1 Gaia DR2 5016114746204345216
GL GJ 1038 CD CD-33 514 CP CP-33 143 Distance 25.14
Distance ly 82.01
 
 
ORBITAL ELEMENTS
 
 
Period (P)6.313y± 0.065 Periastron (T)2018.549y± 0.021 Semi-major axis (a)0.1445a± 0.001
Eccentricity (e)0.515± 0.007 Inclination (i)73.9°± 0.8 Longitude of periastron (ω)165.8°± 2.1
Node (Ω)107.4°± 0.5 Notes ReferenceTok2019c
Equinox Last observation2018 Grade2(1=Definitive, 9=Indet.)
label theta rho
2000 308.3 0.056
2001 82.3 0.094
2002 97.9 0.182
2003 104.8 0.215
2004 111.4 0.188
2005 127.0 0.087
2006 287.9 0.071
2007 66.2 0.058
2008 94.9 0.160
2009 102.9 0.211
2010 109.1 0.204
2011 119.2 0.128
2012 262.0 0.044
2013 15.7 0.034
2014 90.8 0.133
2015 100.8 0.201
2016 107.1 0.213
2017 114.9 0.160
2018 164.3 0.033
2019 314.4 0.050
2020 84.2 0.101
2021 98.4 0.186
2022 105.2 0.216
2023 111.9 0.185
2024 129.5 0.079
2025 291.3 0.071
2026 70.7 0.065
2027 95.6 0.165
2028 103.3 0.212
2029 109.6 0.202
2030 120.3 0.121


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



 
 


wds01250-3251a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic