03454-2752 BU 1003 (HD 23588)

 
 
03h 45m 24.12s -27° 51' 44.9" P.A. 259.00 sep 1.4 mag 8.39,11.12 Sp K5V+M3V dist. 21.57 pc (70.36 l.y.)
 
 
Coord 2000 03454-2752 Discov num BU 1003 Comp Coord arcsec 2000 03 45 24.12 -27 51 44.9
Date first 1881 Date last 2018 Obs 23
Pa first 21 Pa last 259.4 P.A. Now (θ) 259.4°
Sep first 2.7 Sep last 1.415 Sep. Now (ρ) 1.415"
Mag pri 8.39 Mag sec 11.12 delta mag (ΔM) 2.73 Spectral class K5V+M3V (yellow-orange/red)
Pri motion ra +296 Sec motion ra +261
Pri motion dec +146 Sec motion dec +117
Notes N O (See Notes, Orbital solution)
rPM=0.138 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 23588 Constellation Fornax SAO 168807 HIP 17544
Tycho2 6454-00169-1 Gaia DR2 5080543413171184640 HD 23588 ADS 2756
GL Gl 154.1A CD CD-28 1276 Distance 21.57 Distance ly 70.36
 
 
ORBITAL ELEMENTS
 
 
Period (P)286.34y± 4.83 Periastron (T)1997.42y± 3.95 Semi-major axis (a)2.145a± 0.092
Eccentricity (e)0.479± 0.107 Inclination (i)34.7°± 4 Longitude of periastron (ω)101.7°± 9.8
Node (Ω)81.7°± 3.6 Notesn ReferenceCve2008a
Equinox2000 Last observation2001 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 198.0 0.955
2001 202.6 0.971
2002 206.9 0.989
2003 211.1 1.010
2004 215.1 1.033
2005 218.9 1.057
2006 222.6 1.083
2007 226.0 1.109
2008 229.4 1.137
2009 232.5 1.165
2010 235.5 1.194
2011 238.4 1.222
2012 241.1 1.251
2013 243.7 1.280
2014 246.2 1.309
2015 248.6 1.337
2016 250.9 1.365
2017 253.1 1.392
2018 255.2 1.419
2019 257.2 1.446
2020 259.2 1.472
2021 261.1 1.498
2022 262.9 1.523
2023 264.7 1.547
2024 266.4 1.571
2025 268.0 1.595
2026 269.7 1.618
2027 271.2 1.640
2028 272.8 1.662
2029 274.3 1.683
2030 275.7 1.704


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



 
 


wds03454-2752b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic