05482+0137 A 2657 (HD 38769)

 
 
05h 48m 14.65s +01° 36' 35.1" P.A. 325.00 sep 0.1 mag 7.93,7.91 Sp F0 dist. 176.37 pc (575.32 l.y.)
 
 
Coord 2000 05482+0137 Discov num A  2657 Comp Coord arcsec 2000 05 48 14.65 +01 36 35.1
Date first 1913 Date last 2021 Obs 42
Pa first 126 Pa last 324.8 P.A. Now (θ) 331.9°
Sep first 0.2 Sep last 0.077 Sep. Now (ρ) 0.077"
Mag pri 7.93 Mag sec 7.91 delta mag (ΔM) 0.02 Spectral class F0 (yellow-white)
Pri motion ra +012 Sec motion ra
Pri motion dec -029 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 38769 Constellation Orion SAO 113157 HIP 27410
Tycho2 0116-00732-1 Gaia DR2 3219964886216144640 HD 38769 ADS 4396
BD BD+01 1137 Distance 176.37 Distance ly 575.32
 
 
ORBITAL ELEMENTS
 
 
Period (P)60.43y Periastron (T)1964.86y Semi-major axis (a)0.137a
Eccentricity (e)0.466 Inclination (i)18.9° Longitude of periastron (ω)350.4°
Node (Ω)20.1° Notesn ReferenceDoc2008c
Equinox2000 Last observation1999 Grade2(1=Definitive, 9=Indet.)
label theta rho
2000 202.6 0.197
2001 205.0 0.195
2002 207.5 0.193
2003 210.1 0.190
2004 212.7 0.187
2005 215.4 0.184
2006 218.2 0.180
2007 221.2 0.176
2008 224.2 0.172
2009 227.5 0.167
2010 231.0 0.162
2011 234.7 0.156
2012 238.7 0.150
2013 243.0 0.144
2014 247.8 0.137
2015 253.0 0.130
2016 258.9 0.123
2017 265.5 0.115
2018 273.0 0.108
2019 281.7 0.100
2020 291.7 0.093
2021 303.4 0.087
2022 316.8 0.081
2023 331.9 0.077
2024 348.5 0.074
2025 5.9 0.073
2026 23.4 0.074
2027 40.1 0.076
2028 55.6 0.080
2029 69.5 0.084
2030 81.8 0.090


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



 
 


wds05482%2B0137a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic