04290+1610 HU 1080 (HD 28363)

 
 
04h 28m 59.78s +16° 09' 32.7" P.A. 266.00 sep 0.2 mag 6.85,8.38 Sp F7V dist. 48.43 pc (157.98 l.y.)
 
 
Coord 2000 04290+1610 Discov num HU 1080 Comp Coord arcsec 2000 04 28 59.78 +16 09 32.7
Date first 1904 Date last 2016 Obs 130
Pa first 263 Pa last 266.4 P.A. Now (θ) 260.7°
Sep first 0.4 Sep last 0.183 Sep. Now (ρ) 0.391"
Mag pri 6.85 Mag sec 8.38 delta mag (ΔM) 1.53 Spectral class F7V (yellow-white)
Pri motion ra +105 Sec motion ra +105
Pri motion dec -025 Sec motion dec -025
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 28363 Constellation Taurus SAO 93961 HIP 20916
Tycho2 1265-00791-1 Gaia DR2 3312892757136810880 HD 28363 GC 5445
ADS 3248 BD BD+15 633 Distance 48.43 Distance ly 157.98
 
 
ORBITAL ELEMENTS
 
 
Period (P)40.752y± 0.034 Periastron (T)1960.845y± 0.07 Semi-major axis (a)0.3749a± 0.001
Eccentricity (e)0.3179± 0.0024 Inclination (i)93.06°± 0.078 Longitude of periastron (ω)317.46°± 0.57
Node (Ω)78.395°± 0.06 Notesn ReferenceTrr2019b
Equinox Last observation Grade2(1=Definitive, 9=Indet.)
label theta rho
2000 87.1 0.088
2001 82.5 0.154
2002 80.6 0.209
2003 79.4 0.249
2004 78.5 0.272
2005 77.6 0.278
2006 76.8 0.270
2007 75.9 0.249
2008 74.7 0.220
2009 73.2 0.183
2010 70.8 0.142
2011 66.2 0.098
2012 54.2 0.054
2013 351.2 0.023
2014 285.1 0.052
2015 272.6 0.097
2016 268.0 0.142
2017 265.6 0.185
2018 264.1 0.227
2019 263.1 0.266
2020 262.3 0.302
2021 261.7 0.335
2022 261.2 0.365
2023 260.7 0.391
2024 260.4 0.413
2025 260.0 0.431
2026 259.7 0.444
2027 259.4 0.451
2028 259.1 0.454
2029 258.8 0.451
2030 258.4 0.442


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



 
 


wds04290%2B1610b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic