04008+0505 A 1937 AB (HD 25248)

 
 
04h 00m 47.29s +05° 04' 58.2" P.A. 150.00 sep 0.1 mag 9.38,9.48 Sp A3 dist. 184.5 pc (601.84 l.y.)
 
 
Coord 2000 04008+0505 Discov num A  1937 Comp AB Coord arcsec 2000 04 00 47.29 +05 04 58.2
Date first 1908 Date last 2020 Obs 43
Pa first 39 Pa last 149.8 P.A. Now (θ) 166.7°
Sep first 0.2 Sep last 0.07 Sep. Now (ρ) 0.087"
Mag pri 9.38 Mag sec 9.48 delta mag (ΔM) 0.1 Spectral class A3 (white)
Pri motion ra +017 Sec motion ra
Pri motion dec -014 Sec motion dec
Notes N O W (See Notes, Orbital solution, )
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 25248 Constellation Taurus SAO 111558 HIP 18374
Tycho2 0079-01169-1 HD 25248 ADS 2928 BD BD+04 619
CD CD-49 1145 CP CP-49 473 Distance 184.5 Distance ly 601.84
 
 
ORBITAL ELEMENTS
 
 
Period (P)46.08y± 1.04 Periastron (T)2014.74y± 0.12 Semi-major axis (a)0.0974a± 0.0014
Eccentricity (e)0.535± 0.008 Inclination (i)40.8°± 2 Longitude of periastron (ω)0.4°± 3.4
Node (Ω)31.9°± 3 Notesn ReferenceTok2020e
Equinox Last observation Grade2(1=Definitive, 9=Indet.)
label theta rho
2000 231.6 0.130
2001 234.5 0.125
2002 237.7 0.119
2003 241.2 0.113
2004 245.2 0.106
2005 249.7 0.098
2006 255.0 0.091
2007 261.4 0.082
2008 269.2 0.074
2009 279.1 0.065
2010 291.8 0.057
2011 308.2 0.051
2012 328.6 0.046
2013 351.6 0.045
2014 15.1 0.045
2015 38.2 0.045
2016 61.6 0.045
2017 85.3 0.045
2018 107.3 0.048
2019 125.7 0.054
2020 140.0 0.061
2021 151.1 0.070
2022 159.8 0.078
2023 166.7 0.087
2024 172.4 0.095
2025 177.3 0.103
2026 181.5 0.110
2027 185.2 0.116
2028 188.5 0.122
2029 191.5 0.128
2030 194.3 0.132


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



 
 


wds04008%2B0505g.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic